SEMTECH SC600

SC600 TM mAhXLife LED Driver with 5.0V, 4.5V, or 4.0V Output POWER MANAGEMENT Description F Features eatures The SC600 is a versatile charge pump designed for use ‹ Small size - MLPD 10 lead 3x3mm or MSOP-10 in battery operated power supply applications. The wide package allows for a complete solution in .05 sq. in. input range is matched for Li-Ion battery applications. ‹ Peak efŢ ciency over 90% (extends battery life) TM mAhxLife LED Drivers feature a fractional charge pump ‹ Four component versions available implementation with efŢ ciency comparable to a switching ‹ 60mA versions available in 5.0V and 4.5V output regulator without costly inductors. Only two tiny ceramic ‹ 120mA versions available in 4.5V and 4.0V output capacitors are required, and the inductorless implemen- ‹ Short-circuit and over-temperature protection tation provides a reduced-EMI solution. Patented low ‹ Soft-start function noise mode switching circuitry and constant output cur- ‹ Shutdown current <1μA rent allow the use of extremely small input and output ‹ Selectable Ţ xed frequencies of 8kHz, 32kHz, capacitors. 262kHz and 650kHz ‹ Low input and output ripple The SC600 charge pump can be used for applications ‹ Regulated to ± 5% that require up to 120mA of output current with a 4.0V ‹ Ease of use or 4.5V output. The 5.0V output version provides up to 60mA of output current. Applications ‹ Cellular phones TM mAhXLife LED drivers replace switched mode power ‹ LED backlighting supplies and provide comparable efŢ ciency with less cost, ‹ PDA power supplies area, noise, and complexity. ‹ Portable electronics Typical EfŢ ciency ‹ Electronic books ‹ Handheld computers 100 90% of Li-Ion ‹ Wireless web appliances Battery Life 90 SC600A 80 5.0V@60mA 70 60 Device with Only 2x Mode 5.0V@60mA 50 4.2 4.0 3.8 3.6 3.4 3.2 3.0 Input Voltage [V] Typical Application Circuit U1 1 3 2.7V to 6.5V VIN VOUT 4.0V, 4.5V or 5.0V 2 Cin CF1+ Cout 1.0uF 6 0.33uF Cbucket1 EN 1.0uF 9 CF1- UP TO 6 LEDS 4 CD4 10 CF2+ Cbucket2 5 1.0uF CX8 7 CF2- GND 8 January 9, 2006 1 www.semtech.com Efficiency [%] SC600 SC600 POWER MANAGEMENT (1) Absolute Maximum Ratings Absolute Maximum Ratings Exceeding the speciŢ cations below may result in permanent damage to the device or device malfunction. Operation outside of the parameters speciŢ ed in the Electrical Characteristics section is not implied. Parameter Symbol Maximum Units Supply Voltage V -0.3 to +7.0 V IN Output Voltage V -0.3 to +7.0 V OUT V Short Circuit Duration sc IndeŢ nite s OUT (2) Thermal Resistance, Junction to Ambient θ 49 (MLPD), 216 (MSOP) °C/W JA Operating Ambient Temperature Range T -40 to +85 °C A Junction Temperature Range T -40 to +150 °C J Storage Temperature Range T -65 to +150 °C STG Lead Temperature SC600_IMSTRT T 260 °C LEAD Lead Temperature SC600_IMSTR T 240 °C LEAD IR Reţ ow Temperature SC600_IMLTRT T 260 °C LEAD IR Reţ ow Temperature SC600_IMLTR T 240 °C LEAD Notes: 1) This device is ESD sensitive. Use of standard ESD handling precautions is required. 2) Calculated from package in still air, mounted to 3”x 4.5”, 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards. Electrical Characteristics (1) Unless otherwise speciŢ ed: T = -40°C to +85°C, C = C = 1.0µF (ESR = 0.1Ω), C 1.0µF (ESR = 0.1Ω), V = 2.85V to 5.5V . A IN BUCKET OUT IN Parameter Symbol Conditions Min Typ Max Units Input Supply Voltage V 2.5 6.5 V IN Freq. = 8kHz, I = 0mA, V = 3.7V 230 380 OUT IN Freq. = 32kHz, I = 0mA, V = 3.7V 280 470 μA OUT IN Quiescent Current I Freq. = 262kHz, I = 0mA, V = 3.7V 800 1200 Q OUT IN Freq. = 650kHz, I = 0mA, V = 3.7V 1.6 2.5 mA OUT IN Enable = 0 1 μA Version A, Static Load Regulation 4.75 5.0 5.25 (2) Freq. = 262kHz or 650kHz , I = 0 to 60mA OUT Version B, Static Load Regulation 4.275 4.5 4.725 (2) Freq. = 262kHz or 650kHz , I = 0 to 120mA OUT Output Voltage V V OUT Version C, Static Load Regulation 4.275 4.5 4.725 (2) Freq. = 262kHz or 650kHz , I = 0 to 60mA OUT Version D, Static Load Regulation 3.8 4.0 4.2 (2) Freq. = 262kHz or 650kHz , I = 0 to 120mA OUT © 2006 Semtech Corp. 2 www.semtech.com SC600 POWER MANAGEMENT Electrical Characteristics (Cont.) Parameter Symbol Conditions Min Typ Max Units (2) Freq. = 262kHz or 650kHz ; Versions A & C 60 (2) Freq. = 262kHz or 650kHz ; Versions B & D 120 Freq. = 8kHz; Versions A & C 5 mA Output Current I OUT Freq. = 8kHz; Versions B & D 10 Freq. = 32kHz; Versions A & C 20 Freq. = 32kHz; Versions B & D 40 Enable = 1, CD4 = 0, CX8 = 0 -15% 32.768 +15% Enable = 1, CD4 = 1, CX8 = 0 -15% 8.192 +15% Pump Frequency f kHz PUMP Enable = 1, CD4 = 0, CX8 = 1 -13% 262.14 +15% Enable = 1, CD4 = 1, CX8 = 1 -20% 650 +20% Frequency Mode Transition time from one frequency T 1 Period (3) FMT Transition Time mode to any other frequency mode Short Circuit Current I V = 0V, I = I 180 600 mA SC OUT OUT IN Input High Threshold V All Input Pins (Enable, CD4, CX8) 1.3 V IH Input Low Threshold V All Input Pins (Enable, CD4, CX8) 0.4 V IL Input High Current I All Input Pins (Enable, CD4, CX8) 10 μA IH Input Low Current I All Input Pins (Enable, CD4, CX8) 10 μA IL 1.5x to 2x mode, Versions A & B 3.43 3.50 3.56 V V 2x to 1.5x mode, Versions A & B 3.48 3.58 3.64 V IN Hysteresis 30 80 180 mV Mode Transition Voltage 1.5x to 2x mode, Versions C & D 3.23 3.30 3.36 V V 2x to 1.5x mode, Versions C & D 3.33 3.40 3.46 V IN Hysteresis 40 100 180 mV V = 3.60V, V = 5.0V, I = 60mA 92 % Power EfŢ ciency IN OUT OUT from Battery to η Regulated Charge V = 3.60V, V = 4.5V, I = 120mA 83 % IN OUT OUT Pump Output@262kHz Output Ripple (2), (3) V Freq = 262kHz, I = 60mA 25 45 mV PP OUT Voltage Notes: 1) Version C has an extended input voltage range of operation at V = 2.60V to 5.5V. IN 2) 650kHz allows the use of a smaller bucket capacitor. 3) Guaranteed by design. 4) Peak-to-peak output ripple voltage with C = C =1μF and X5R dielectric. OUT BUCKET © 2006 Semtech Corp. 3 www.semtech.com SC600 POWER MANAGEMENT Pin ConŢ guration Ordering Information TOP VIEW (1) Device Oe utput Packag 1 10 VOUT CF2+ SV C600AIMSTR 60mA, 5.0 CF1+ 2 9 CF1- SV C600BIMSTR 120mA, 4.5 3 8 VIN GND MSOP-10 SV C600CIMSTR 60mA, 4.5 4 7 CD4 CF2- 5 6 CX8 EN SV C600DIMSTR 120mA, 4.0 SV C600AIMSTRT 60mA, 5.0 SV C600BIMSTRT 120mA, 4.5 MLPD MSOP-10 (2) Lead-Free SV C600CIMSTRT 60mA, 4.5 SV C600DIMSTRT 120mA, 4.0 SV C600AIMLTR 60mA, 5.0 SV C600BIMLTR 120mA, 4.5 MLPD-10 SV C600CIMLTR 60mA, 4.5 SV C600DIMLTR 120mA, 4.0 SV C600AIMLTRT 60mA, 5.0 SV C600BIMLTRT 120mA, 4.5 MLPD-10 (2) Lead-Free SV C600CIMLTRT 60mA, 4.5 MSOP SV C600DIMLTRT 120mA, 4.0 Se C600EVB Evaluation Board [include th component part number when ordering] Notes: 1) Available in Tape and Reel only. A reel contains 2500 devices for MSOP and 3000 devices for the MLPD package. 2) This product is fully WEEE and RoHS compliant. Component Selection Ot utput Voltage Maximum Outpu Maximum Output Extended Range of Device Current from Current from 1.5 x Mode for Power 0 to 60mA 60 to 120mA Savings 5X .0V SC600A 4X .5V SC600B 4X .5V X SC600C 4X .0V X SC600D © 2006 Semtech Corp. 4 www.semtech.com SC600 POWER MANAGEMENT Pin Descriptions Pin# Pin Name Pin Function 1 VOUT Output voltage regulated to 5.0V, 4.5V, or 4.0V. 2 CF1+ Positive terminal of bucket capacitor 1. 3 VIN Input voltage ranging from 2.5V to 6.5V. 4 CD4 Bits select the charge pump operating frequency from 8kHz, 32kHz, 262kHz, and 650kHz. Frequency selection is deŢ ned in Table 1 on page 9. 5 CX8 6 EN Active high enable. Bias current is less than 1μA when set low. 7 CF2- Negative terminal of bucket capacitor 2. 8 GND Ground. 9 CF1- Negative terminal of buck capacitor 1. 10 CF2+ Positive terminal of bucket capacitor 2. Block Diagram VIN 3 SWITCH BLOCK 1 VOUT DRIVERS EN 6 650kHz, 262kHz, 32kHz, or 8kHz MODE X CLK/16 X 0 SELECT 2 CF1+ CX8 CLK/8 5 X 1 EN 9 CF1- COMPARATORS 262kHz VIN X OSC 2 VOUT 650kHz 10 X CF2+ VREF 3 A B CD4 4 7 CF2- TIMER CX8 GND 8 CD4 VIN © 2006 Semtech Corp. 5 www.semtech.com SC600 POWER MANAGEMENT Marking Information - MLP-10 Marking Information - MSOP-10 Top Marking 600X 600X yyww yyww 600X = SC600A,B,C or D yyww = Datecode (Example: 0552) 600X = SC600A,B,C or D yyww = Datecode (Example: 0552) Bottom Marking xxxx xxxx xxxx = Semtech Lot Number © 2006 Semtech Corp. 6 www.semtech.com SC600 POWER MANAGEMENT Applications Information Regulated Fractional Charge Pump Operation Component Versions A fractional charge pump is a voltage converter which There are four versions of the SC600. The component implements switched capacitor techniques to produce an selection table on page 4 highlights the differences be- output voltage that is one of several multiples of the input tween the component types. The three basic differences voltage. Regulated fractional charge pumps (also called between the component versions are in the output volt- charge pump regulators) use a linear regulator with vari- age, maximum output current capability, and the mode ous charge pump conŢ gurations to deliver a regulated out- transition point. put over a wide input voltage range. Regulated fractional charge pumps have improved efŢ ciency over ordinary lin- The mode transition point is the value of input voltage at ear regulator and charge pump circuit combinations. The which the component will transition between 1.5x and 2x improved efŢ ciency is achieved by implementing multiple modes. 5.0V, 4.5V, and 4.0V versions are available. The charge pump conŢ gurations on one integrated circuit. SC600A (5.0V) is most efŢ cient for applications that use The correct charge pump conŢ guration is automatically up to 60mA. The SC600B (4.5V) and SC600C (4.5V) have selected to meet the regulation requirements at the best different maximum output currents and mode transition possible efŢ ciency. The SC600 has three charge pump points. The lower mode transition point of the SC600C conŢ gurations (modes), which multiply the input voltage allows it to remain in 1.5x mode longer for greater power by 1x, 1.5x and 2x. savings. The charge pump conŢ gurations are implemented with The SC600B has higher output capability, up to 120mA, two switched or 'bucket' capacitors plus the input and out- and S600C is rated for 60mA. The SC600D (4.0V) is for put capacitor. The bucket capacitors are conŢ gured for 1x applications using up to 120mA. mode at start-up to source current to the output capacitor and bring the output up quickly. The charge pump will Start-Up Conditions begin switching in 1.5x mode. During normal operation, starting with a fully charged Li-Ion cell, the battery voltage Typical start-up time is less than 50μs. Caution: The SC600 must be enabled while 650kHz or 262kHz is selected to pre- will begin at about 4.1V. As the battery discharges and vent over-voltage during start-up. the voltage decays, the SC600 will eventually transition to 2x mode when the battery voltage is approximately 3.50V. LED Bias and Backlighting Applications Hysteresis is provided to prevent mode toggling. The out- put is prevented from exceeding 6.0V. This feature allows When using the SC600 for LED bias, note that the SC600C the use of 6.3V ceramic capacitors. and SC600D require the same input power per unit of TM output current even though the SC600C is more efŢ cient. mAhXLiFE Advantage Also, the SC600A will have the same input power as the SC600B though the SC600A is more efŢ cient. The plot on page 1 shows the efŢ ciency of the SC600A. An example of a 5.0V regulated charge pump doubler is The following plots of Input Power vs. Input Voltage high- plotted to demonstrate how effective the SC600’s 1.5x light the differences in application of the four component mode is at improving efŢ ciency when the input voltage is versions. To achieve the lowest possible input power, it above 3.5V. Most of the Li-Ion battery life is above 3.5V is desirable for the charge pump to remain in 1.5x mode where the SC600 achieves more than 20% higher efŢ - until the input voltage is as low as possible. The transi- ciency compared to the 5.0V regulated charge pump dou- tion points from 1.5x to 2x are identiŢ ed in the plot where bler with only a 2x mode. Following the efŢ ciency curve the input power steps upward as the input voltage moves from left to right as the battery discharges, the SC600A lower. 5.0V remains in 1.5x mode until 3.5V and then transitions to 2x mode. © 2006 Semtech Corp. 7 www.semtech.com SC600 POWER MANAGEMENT Applications Information (Cont.) Input Power of SC600 A&C Output Current = 60mA Input Power of SC600 B&D Output Current = 120mA 1000.00 550.00 950.00 SC600A 5.0V & SC600B 4.5V SC600B 4.5V 500.00 SC600D 4.0V 900.00 SC600C 4.5V & SC600D 4.0V 850.00 450.00 800.00 750.00 400.00 700.00 350.00 650.00 600.00 300.00 550.00 500.00 250.00 4.20 4.10 4.00 3.90 3.80 3.70 3.60 3.50 3.40 3.30 3.20 3.10 3.00 4.20 4.10 4.00 3.90 3.80 3.70 3.60 3.50 3.40 3.30 3.20 3.10 3.00 InIput npu Vo t Vlo ta ltg ae g[e V] [V] Input Voltage[V] © 2006 Semtech Corp. 8 www.semtech.com Input Power[mW] Input Power[mW] SC600 POWER MANAGEMENT Applications Information (Cont.) Brightness Control with PWM Input current, and then changes to 32kHz when there is no load current. This is done to save battery power by taking ad- Brightness control using a PWM input can be achieved vantage of the lower 280μA quiescent current at 32kHz. with the application circuit below. Note that by connecting The ripple voltage seen at the output is reasonable for CX8 to the PWM signal the switching frequency is changed LED applications, but the output capacitance can be in- as the PWM signal changes. The charge pump operates creased to reduce the ripple if required. The sum of the at 262kHz during the on-time when there is a demand for LED currents for this circuit is 55mA during the on-time. White LED Driver Circuit with PWM Brightness Control U1 5.0V 3 1 2.7V to 6.5V VIN VOUT 2 Cin CF1+ Cout 1uF 6 1uF Cbucket1 EN 1uF 9 CF1- 100 100 4 100 CD4 10 CF2+ Cbucket2 5 1uF CX8 7 CF2- GND 8 PW M Voltage Waveforms for LED Driver Circuit Battery Current vs. Input Voltage Ripple Voltage vs. Input Voltage for Various Duty Cycles 500 89.20% Vout p-p 120 Vin p-p 70.30% 450 50.20% 400 100 30.20% 350 80 300 250 60 200 40 150 100 20 50 0 0 2.83 3.23.43.63.84 2.8 3.3 3.8 4.3 4.8 5.3 5.8 Input Voltage [V] Input Voltage [V] © 2006 Semtech Corp. 9 www.semtech.com SC600A Ripple Voltage [mV] Battery Current [mA] SC600 POWER MANAGEMENT Applications Information (Cont.) Comparison with Other Regulation Methods Ripple Performance In many instances, a charge pump regulator is the best Examples of the output ripple, charge pump frequency choice for portable power applications. These regulators and capacitor size are listed in Table 2. offer many advantages over switch mode regulators. A smaller bill of materials, less layout area, lower compo- Switch mode regulators have harmonics which vary due to nent height, less noise, no EMF, and less overall circuit the pulse width modulation used to regulate the output. cost are typical reasons to use this type of regulation. In Varying harmonics can make it difŢ cult to ensure accept- some cases the efŢ ciency of a charge pump regulator ex- able noise performance over the entire operating range. ceeds the efŢ ciency of a switch mode regulator. Many switch mode regulators have increased voltage rip- Inductors are often the largest and most expensive dis- ple on the output during pulse skipping mode due to large crete component in a design. Because there are no in- periods of time when no current is supplied to the output. ductors used in the SC600, cost, noise, layout area, as The SC600 supplies current to the output continuously, well as the the EMF associated with the inductor, are so the voltage ripple is less than a switch mode regula- eliminated. tor, even with greatly reduced output capacitance. The SC600 delivers a continuous current to the output during The SC600’s Ţ xed frequency harmonics are an advantage 1x, 1.5x and 2x modes. Most of the battery life requires in portable communications equipment, such as cellular 1.5x mode. telephones. The SC600 has distinct frequencies of op- eration, so the harmonics are predictable. The harmonics Frequency Selection are not Ţ xed in a switch mode regulator. CX8 and CD4 are frequency select inputs; input from a µP Table 1 -Frequency Selection Logic or other device may be used to change the charge pump frequency at any time (as shown in Table 1). The opti- S8 witching Frequency C4 X CD mal frequency will depend upon the capacitor values, the load current, and the acceptable amount of output ripple. 30 2kHz 0 Lower frequencies will be more efŢ cient, while higher fre- 80 kHz 1 quencies will support higher output currents with lower ripple. 21 62kHz 0 61 50kHz 1 Table 2 -Ripple Performance P] art No.FI req. [kHz[] mA] Output Ripple [mVp-p Ouput Ripple [mVp-p] C[C μF] [μF] OUT OUT BUCKET 1.5x mode 2x mode SC600A 5.0V 85 65 5 11 1 30 2 2015 5 21 1 20 62652021 1 60 50601511 1 60 5060252301 .3 © 2006 Semtech Corp. 10 www.semtech.com SC600 POWER MANAGEMENT Applications Information (Cont.) Table 2 -Ripple Performance (Cont.) P] art No.FI req. [kHz[] mA] Output Ripple [mVp-p Ouput Ripple [mVp-p] C[C μF] [μF] OUT OUT BUCKET 1.5x mode 2x mode (1) SC600B 4.5V 801520 1 51 1 30 2 4030 0 91 1 20 6210 2 4521 1 60 5015 2 1521 1 60 5010 2 354301 .3 SC600D 4.0V 801510 0 51 1 30 2 4025 4 41 1 20 6210 2 3021 1 60 5011 2 1021 1 60 5015 2 204301 .3 Note: (1) SC600C is very similar to SC600B. Mode Transition Impedance A lower value of Ro will improve efficiency, so low ESR The mode transition impedance Ro refers to the output ceramic capacitors are required. An X7R or X5R dielec- resistance of the charge pump before a transition to a tric is recommended. Y5V dielectric can require 2 to 3 stronger mode occurs. Ro is dependent upon the frac- times the rated value of an X7R dielectric for the same tional charge pump, switching frequency, bucket capaci- performance over the operating temperature range. tor value, bucket capacitor ESR, and the internal switch resistances. Efficiency 1 Ro is proportional to, Efficiency for the SC600 is defined as, fC˜ ˜ V I O O Ro can be measured to verify a low transition imped- η = ˜ ˜  V mode I I IN O Q ance. Before measuring Ro, select the capacitors, set the operating frequency and a constant load current. Find the input voltage just before a weak to strong mode tran- sition (i.e., 1.5x to 2x mode). Measure V , V , and I IN OUT OUT before the transition. Ro will be, mode˜V  V IN OUT Ro= I OUT © 2006 Semtech Corp. 11 www.semtech.com SC600 POWER MANAGEMENT Applications Information (Cont.) where: Short-Circuit and Over-Temperature Protection V = output voltage The output current is limited to 600mA to protect against O I = output currrent short-circuit conditions. Over-temperature protection is O mode = 1.5x or 2x also provided. V = input voltage IN I = quiescent current Design and Layout Considerations Q (from Electrical Characteristics on page 2) The layout example on page 15 uses the 1206 case size for the capacitors, so a smaller layout area is possible. The mode may be identiŢ ed by measuring input current The bucket capacitors and the SC600 are on the same and output current and calculating as mode = I /I . side of the card. To minimize trace inductance, traces are IN OUT Alternately, the mode can be identiŢ ed by identifying short and wide with no vias to the bucket capacitors. The the voltage at the bucket capacitor, CF1 with an input and output caps are on the bottom side directly un- oscilloscope. der the SC600 and vias are used to connect directly to copper shapes used for the input and output. The input Calculating Power Dissipation and output capacitors and Pin 8 should be connected to ground very near the SC600. The power dissipated by the SC600 is calculated as, P = P - P D IN OUT P = V · (mode I + I ) - V · I D IN O Q O O Suggested Capacitors The following is a short list of some of the manufacturers and types of multi-layer ceramic capacitors that are sug- gested for the SC600. Mr anufacturerP] art NumbeCe apacitance[μFDe ielectric TypEe IA Package Siz Voltag Rating AK VX02 805ZC225 2R . X5 7 0V 80 10 AK VX00 805ZC105 1R . X5 7 0V 80 10 AK VX03 805ZC334 0R .3 X5 7 0V 80 10 PK anasonicE2 CJ2YB0J225 2R . X5 5 0V 80 6.3 P5 anasonicE0 CJ2YB1A10 1R . X5 7 0V 80 10 PK anasonicE0 CJ1VB0J105 1R . X2 5 0V 40 6.3 PK anasonicE3 CJ1VB0J334 0R .3 X3 5 0V 60 6.3 T5 DKC0 1608X5R1A10 1R . X3 5 0V 60 10 TZ DKC0 1202Y5V1A106 1R . X5 5 0V 80 10 Tk DKC3 1608X5R1A334 0R .3 X3 5 0V 60 10 © 2006 Semtech Corp. 12 www.semtech.com SC600 POWER MANAGEMENT Typical Characteristics Load Regulation, V = 3.6V, Freq. = 650kHz Line Regulation, Freq. = 650kHz IN 5.2 5 5 SC600A at 60mA SC600A at 60mA SC600B at 120mA SC600B at 120mA 4.8 SC600D at 120mA SC600D at 120mA 4.8 4.6 4.6 4.4 4.4 4.2 4.2 4 4 3.8 3.8 2.5 3 3.5 4 4.5 5 5.5 6 6.5 0 20 40 60 80 100 120 Load Current [mA] Input Voltage [V] EfŢ ciency vs. Output Current, V = 3.6V, IN Freq. = 650kHz Start-Up Conditions for 5.0V Output 95 90 85 80 75 70 65 SC600A 5.0V SC600B 4.5V 60 SC600C 4.5V SC600D 4.0V 55 50 0 10 2030 4050 6070 8090 100 110 120 Current [mA] Ripple Voltage Start-Up Conditions for 4.0V Output © 2006 Semtech Corp. 13 www.semtech.com Output Voltage [V] Efficiency [%] Output Voltage [V] SC600 POWER MANAGEMENT Typical Characteristics (Cont.) EfŢ ciency vs. Input Voltage for B and C Version EfŢ ciency vs. Input Voltage for A and D Version 95 95 SC600A 5.0V@60mA SC600B 4.5V@120mA SC600D 4.0V@120mA 90 90 SC600C 4.5V@60mA 85 85 80 80 75 75 70 70 65 65 60 60 4.2 4.0 3.8 3.6 3.4 3.2 3.0 4.2 4.0 3.8 3.6 3.4 3.2 3.0 Input Voltage [V] Input Voltage [V] Evaluation Board Schematic Evaluation Board Bill of Materials Reference Value Comment U1 SC600 MSOP-10 or MLPD-10 lead 3x3mm C1, C2, C3, C4 1.0µF Ceramic, low ESR type C5 10µF This extra capacitor supports usage of long power leads from a benchtop supply R7, R8, R9 - Add limiting resistors to meet the requirements of the application D1, D2, D3 - Add white or blue LEDs to meet the requirements of the applicaton on SMT pads D4, D5, D6 - Add white or blue LEDs to meet the requirements of the application on PTH pads © 2006 Semtech Corp. 14 www.semtech.com Efficiency [%] Efficiency [%] SC600 POWER MANAGEMENT Evaluation Board Gerber Plots Top View Bottom View © 2006 Semtech Corp. 15 www.semtech.com SC600 POWER MANAGEMENT Outline Drawing - MSOP-10 DIMENSIONS e INCHES MILLIMETERS DIM A MIN NOM MAX MIN NOM MAX D - - - - A .043 1.10 N .000 - .006 0.00 - 0.15 A1 - - A2 .030 .037 0.75 0.95 - - b .007 .011 0.17 0.27 2X E/2 c .003 - .009 0.08 - 0.23 D .114 .118 .122 2.90 3.00 3.10 E1 E .118 2.90 3.00 3.10 E1 .114 .122 PIN 1 E .193 BSC 4.90 BSC INDICATOR e .020 BSC 0.50 BSC L .016 .024 .032 0.40 0.60 0.80 ccc C 12 (.037) (.95) L1 N 10 10 2X N/2 TIPS B - - 01 0° 8° 0° 8° aaa .004 0.10 bbb .003 0.08 ccc .010 0.25 D aaa C H A2 A SEATING PLANE c GAGE A1 C PLANE bxN bbb C A-B D 0.25 L 01 (L1) DETAIL A SEE DETAIL A SIDE VIEW NOTES: 1. CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES). 2. DATUMS AND -A- -B- TO BE DETERMINED AT DATUM PLANE -H- DIMENSIONS "E1" AND "D" DO NOT INCLUDE MOLD FLASH, PROTRUSIONS 3. OR GATE BURRS. 4. REFERENCE JEDEC STD MO-187, VARIATION BA. © 2006 Semtech Corp. 16 www.semtech.com SC600 POWER MANAGEMENT Land Pattern - MSOP-10 X DIMENSIONS DIM INCHES MILLIMETERS (.161) (4.10) C (C) G .098 2.50 G Z P .020 0.50 .011 0.30 X Y .063 1.60 Z .224 5.70 Y P NOTES: 1. THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY. CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR COMPANY'S MANUFACTURING GUIDELINES ARE MET. © 2006 Semtech Corp. 17 www.semtech.com SC600 POWER MANAGEMENT Outline Drawing - MLPD-10 DIMENSIONS A E B INCHES MILLIMETERS DIM MIN NOM MAX MIN NOM MAX - - A .031 .039 0.80 1.00 - - A1 .000 .002 0.00 0.05 - (.008) - - (0.20) - A2 b .007 .009 .011 0.18 0.23 0.30 E .074 .079 .083 1.87 2.02 C 2.12 D .042 .048 .052 1.06 1.21 1.31 PIN 1 E .114 .118 .122 2.90 3.00 3.10 INDICATOR e .020 BSC 0.50 BSC (LASER MARK) L .012 .016 .020 0.30 0.40 0.50 N 10 10 aaa .003 0.08 bbb .004 0.10 A SEATING PLANE aaa C A1 C A2 C 1 2 LxN D N e bxN bbb C A B NOTES: 1. CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES). 2. COPLANARITY APPLIES TO THE EXPOSED PAD AS WELL AS TERMINALS. © 2006 Semtech Corp. 18 www.semtech.com SC600 POWER MANAGEMENT Land Pattern - MLPD-10 K DIMENSIONS DIM INCHES MILLIMETERS (.112) (2.85) C G .075 1.90 H .055 1.40 H (C) G Z K .087 2.20 P .020 0.50 X .012 0.30 Y Y .037 0.95 X Z .150 3.80 P NOTES: 1. THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY. CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR COMPANY'S MANUFACTURING GUIDELINES ARE MET. Contact Information Semtech Corporation Power Management Products Division 200 Flynn Road, Camarillo, CA 93012 Phone: (805) 498-2111 FAX (805) 498-3804 www.semtech.com © 2006 Semtech Corp. 19 www.semtech.com