ZY2160 60A No-Bus POL Data Sheet 8V to 14V Input • 0.5V to 2.75V Output Member of the Family Features • RoHS lead free and lead-solder-exempt products are available • Wide input voltage range: 8V–14V • High continuous output current: 60A • Wide programmable output voltage range: 0.5V– 2.75V • Active digital current share • Output voltage margining • Overcurrent and overtemperature protections • Overvoltage and undervoltage protections, and Power Good signal tracking the output voltage setpoint Applications • Tracking during turn-on and turn-off with guaranteed • Low voltage, high density systems with slew rates Intermediate Bus Architectures (IBA) • Sequenced and cascaded modes of operation • Point-of-load regulators for high performance DSP, • Single-wire line for frequency synchronization FPGA, ASIC, and microprocessor applications between multiple POLs • Industrial computing, servers, and storage • Programmable feedback loop compensation • Broadband, networking, optical, and wireless • Differential output voltage sense communications systems • Enable control • Active memory bus terminators • Flexible fault management and propagation • Start-up into the load pre-biased up to 100% Benefits • Current sink capability • Integrates digital power conversion with intelligent • Real time current measurements, monitoring, and power management reporting • Eliminates the need for external power • Industry standard size through-hole single-in-line management components and communication bus package: 2.4”x0.55” • Completely programmable via pin strapping and • Low height of 1.1” one external resistor • Wide operating temperature range: 0 to 70ºC • One part that covers all applications • UL 60950-1/CSA 22.2 No. 60950-1-07 Second • Reduces board space, system cost and Edition, IEC 60950-1: 2005, and EN 60950-1:2006 complexity, and time to market Description Power-One’s point-of-load converters are recommended for use with regulated bus converters in an Intermediate Bus Architecture (IBA). The ZY2160 is an intelligent, fully programmable step-down point-of-load DC-DC module integrating digital power conversion and power management. The ZY2160 completely eliminates the need for external components for sequencing, tracking, protection, monitoring, and reporting. Performance parameters of the ZY2160 are programmable by pin strapping and an external resistor and can be changed by the user at any time during product development and service without a need for a communication bus. Reference Documents TM No-Bus POL Converters. Application Note ® Z-One POL Converters. Eutectic Solder Process Application Note ® Z-One POL Converters. Lead-Free Process Application Note ZD-01966 Rev. 1.3, 11-Oct-2011 www.power-one.com Page 1 of 14 ZY2160 60A No-Bus POL Data Sheet 8V to 14V Input • 0.5V to 2.75V Output 1. Ordering Information ZY 21 60 y – zz 2 Product Series: Output RoHS compliance: Dash Packaging Option : family: No-Bus Current: No suffix - RoHS compliant with Pb solder R1 – 30 pcs Tray 1 Z-One POL 60A exemption Q1 – 1 pc sample for Module Converter G - RoHS compliant for all six substances evaluation only ______________________________________ 1 The solder exemption refers to all the restricted materials except lead in solder. These materials are Cadmium (Cd), Hexavalent chromium (Cr6+), Mercury (Hg), Polybrominated biphenyls (PBB), Polybrominated diphenylethers (PBDE), and Lead (Pb) used anywhere except in solder. 2 Packaging option is used only for ordering and not included in the part number printed on the POL converter label. Example: ZY2160G-R3: A 30-piece tray of RoHS compliant POL converters. Each POL converter is labeled ZY2160G. 2. Absolute Maximum Ratings Stresses in excess of the absolute maximum ratings may cause performance degradation, adversely affect long- term reliability, and cause permanent damage to the POL converter. Parameter Conditions/Description Min Max Units Operating Temperature Controller Case Temperature -40 100 °C Input Voltage 250ms Transient 15 VDC 3. Environmental and Mechanical Specifications Parameter Conditions/Description Min Nom Max Units Ambient Temperature Range 0 70 °C Storage Temperature (Ts) -55 125 °C Weight 33 grams Frequency Range 5 500 Hz Operating Vibration Magnitude 0.5 G (sinusoidal) Sweep Rate 1 oct/min Repetitions in each axis (Min-Max-Min Sweep) 2 sweeps Acceleration 50 G Non-Operating Shock Duration 11 ms (half sine) Number of shocks in each axis 10 MTBF Calculated Per Telcordia Technologies SR-332 18.5 MHrs Peak Reflow Temperature ZY2160 220 °C Peak Reflow Temperature ZY2160G 245 260 °C Lead Plating ZY2160 and ZY2160G 100% Matte Tin Moisture Sensitivity Level JEDEC J-STD-020C 3 ZD-01966 Rev. 1.3, 11-Oct-2011 www.power-one.com Page 2 of 14 ZY2160 60A No-Bus POL Data Sheet 8V to 14V Input • 0.5V to 2.75V Output 4. Electrical Specifications Specifications apply at the input voltage from 8V to 14V, output load from 0 to 60A, ambient temperature from 0°C to 70°C, output capacitance consisting of 110µF ceramic and 220µF tantalum, and the CCA=1 unless otherwise noted. 4.1 Input Specifications Parameter Conditions/Description Min Nom Max Units Input voltage (V ) 8 14 VDC IN Ramping Up 6.9 VDC Undervoltage Lockout Threshold Ramping Down 5.7 VDC Input Current V =12V, POL is OFF 29 mADC IN Maximum Input Current V =8V, V =2.1V 17.5 ADC IN OUT 4.2 Output Specifications Parameter Conditions/Description Min Nom Max Units 1 Output Current (I ) V to V -40 60 ADC OUT IN MIN IN MAX 2 Programmable with a resistor between 0.5 2.75 VDC Output Voltage Range (V ) TRIM and MARGIN pins OUT Default (no resistor) 0.5 VDC Output Voltage Setpoint V =12V, I =0.5*I , room ±1.5% or 20mV whichever is IN OUT OUT MAX 3 %V OUT Accuracy temperature greater 3 Line Regulation V to V ±0.5 %V IN MIN IN MAX OUT 3 Load Regulation 0 to I ±0.5 %V OUT MAX OUT 50% - 75% - 50% load step Dynamic Regulation Peak Deviation Slew rate 1A/µs, C =660µF 330 mV OUT Settling Time 100 to 10% of peak deviation µs Output Voltage Peak-to-Peak V =12V, V =0.75V 15 mV IN OUT Ripple and Noise V =12V, V =1.0V 20 mV IN OUT BW=20MHz V =12V, V =1.8V 25 mV IN OUT Full Load V =12V, V =2.5V 30 mV IN OUT V =12V, V =0.5V 78.8 % IN OUT V =12V, V =0.75V 82.3 % IN OUT Efficiency V =12V, V =1.0V 85.5 % IN OUT FSW=500kHz V =12V, V =1.2V 87.4 % IN OUT Full Load V =12V, V =1.5V 89.3 % IN OUT Room temperature V =12V, V =1.8V 90.6 % IN OUT V =12V, V =2.5V 92.5 % IN OUT Temperature Coefficient V =12V, I =0.5*I 50 ppm/°C IN OUT OUT MAX Switching Frequency 3 phases combined 450 500 550 kHz 1 At the negative output current (bus terminator mode) efficiency of the ZY2160 degrades resulting in increased internal power dissipation. Maximum allowable negative current is limited to 40A. 2 ZY2160 is a step-down converter, thus the output voltage is always lower than the input voltage as show in Error! Reference source not found.. 3 Digital PWM has an inherent quantization uncertainty of ±6.25mV that is not included in the specified static regulation parameters. ZD-01966 Rev. 1.3, 11-Oct-2011 www.power-one.com Page 3 of 14 ZY2160 60A No-Bus POL Data Sheet 8V to 14V Input • 0.5V to 2.75V Output 4.3 Protection Specifications Parameter Conditions/Description Min Nom Max Units Output Overcurrent Protection Type Non-Latching, 130ms period Threshold 140 %I OUT Threshold Accuracy -25 25 %I OCP.SET Output Overvoltage Protection Type Latching 1 Threshold Follows the output voltage setpoint 130 %V O.SET Threshold Accuracy Measured at VO.SET=2.5V -2 2 %VOVP.SET From instant when threshold is exceeded until Delay 6 μs the turn-off command is generated Output Undervoltage Protection Type Non-Latching, 130ms period Threshold Follows the output voltage setpoint 75 %V O.SET Threshold Accuracy Measured at V =2.5V -2 2 %V O.SET UVP.SET From instant when threshold is exceeded until Delay 6 μs the turn-off command is generated Overtemperature Protection Type Non-Latching, 130ms period Turn Off Threshold Temperature is increasing 120 °C Temperature is decreasing after module was Turn On Threshold 110 °C shut down by OTP Threshold Accuracy -5 5 °C From instant when threshold is exceeded until Delay 6 μs the turn-off command is generated Power Good Signal (PGOOD pin) V is inside the PG window and stable High OUT Logic V is outside of the PG window or ramping N/A OUT up/down Low Lower Threshold Follows the output voltage setpoint 90 %V O.SET Upper Threshold Follows the output voltage setpoint 110 %V O.SET From instant when threshold is exceeded until Delay 6 μs status of PG pin changes Threshold Accuracy Measured at V =2.5V -2 2 %V O.SET O.SET ___________________ 1 Minimum OVP threshold is 1.0V ZD-01966 Rev. 1.3, 11-Oct-2011 www.power-one.com Page 4 of 14 ZY2160 60A No-Bus POL Data Sheet 8V to 14V Input • 0.5V to 2.75V Output 4.4 Feature Specifications Parameter Conditions/Description Min Nom Max Units Current Share (CS pin) Type Active, Single Line Current Share Accuracy I ≥20%*I ±20 %I OUT MIN OUT NOM OUT Tracking Rising Slew Rate Proportional to SYNC frequency 0.1 V/ms Falling Slew Rate Proportional to SYNC frequency -0.5 V/ms Enable (EN pin) Positive (enables the output when EN pin is EN Pin Polarity open or pulled high) EN High Threshold 2.3 VDC EN Low Threshold 1.0 VDC Open Circuit Voltage 3.3 VDC From EN pin changing state to V OUT Turn-On Delay 0 ms starting to ramp up From EN pin changing state to V OUT Turn-Off Delay 11 ms reaching 0V Feedback Loop Compensation (CCA pin) Recommended C /ESR range, 50/5 + 100/5 + 400/5 + µF/mΩ OUT CCA pin is open combination of ceramic + tantalum 220/40 470/40 2000/20 µF/mΩ CCA pin is connected to GND Recommended C /ESR range, ceramic 100/5 220/5 400/5 µF/mΩ OUT Output Current Monitoring (CS pin) Output Current Monitoring 30%*I < I < I OUT NOM OUT OUT NOM -20 +20 %I OUT Accuracy V =12V IN Duty Cycle of the negative pulse Conversion Ratio 74 % corresponding to 100% of nominal current Remote Voltage Sense (-VS and +VS pins) Type Differential Voltage Drop Compensation Between +VS and VOUT 300 mV Voltage Drop Compensation Between -VS and PGND 100 mV ZD-01966 Rev. 1.3, 11-Oct-2011 www.power-one.com Page 5 of 14 ZY2160 60A No-Bus POL Data Sheet 8V to 14V Input • 0.5V to 2.75V Output 4.5 Signal Specifications Parameter Conditions/Description Min Nom Max Units VDD Internal supply voltage 3.15 3.3 3.45 V SYNC Line ViL_s LOW level input voltage -0.5 0.3 x VDD V 0.75 x ViH_s HIGH level input voltage VDD + 0.5 V VDD 0.25 x 0.45 x Vhyst_s Hysteresis of input Schmitt trigger V VDD VDD IoL_s LOW level sink current V(SYNC)=0.5V 14 60 mA Ipu_s Pull-up current source V(SYNC)=0V 300 1000 μA Tr_s Maximum allowed rise time 10/90%VDD 300 ns Cnode_s Added node capacitance 5 10 pF Freq_s Clock frequency of external SYNC line 475 525 kHz % of clock Tsynq Sync pulse duration 22 28 cycle % of clock T0 Data=0 pulse duration 72 78 cycle Inputs: CCA, EN, IM Iup_x Pull-up current source V(X)=0 25 110 μA ViL_x LOW level input voltage -0.5 0.3 x VDD V ViH_x HIGH level input voltage 0.7 x VDD VDD+0.5 V Vhyst_x Hysteresis of input Schmitt trigger 0.1 x VDD 0.3 x VDD V External pull down resistance RdnL_x 10 kΩ pin forced low Power Good and OK Inputs/Outputs Iup_PG Pull-up current source V(PG)=0 25 110 μA Iup_OK Pull-up current source V(OK)=0 175 725 μA ViL_x LOW level input voltage -0.5 0.3 x VDD V ViH_x HIGH level input voltage 0.7 x VDD VDD+0.5 V Vhyst_x Hysteresis of input Schmitt trigger 0.1 x VDD 0.3 x VDD V IoL_x LOW level sink current at 0.5V 4 20 mA Current Share/Sense Bus Iup_CS Pull-up current source at V(CS)=0V 0.84 3.10 mA ViL_CS LOW level input voltage -0.5 0.3 x VDD V 0.75 x ViH_CS HIGH level input voltage VDD+0.5 V VDD 0.25 x 0.45 x Vhyst_CS Hysteresis of input Schmitt trigger V VDD VDD IoL_CS LOW level sink current V(CS)=0.5V 14 60 mA Tr_CS Maximum allowed rise time 10/90% VDD 100 ns ZD-01966 Rev. 1.3, 11-Oct-2011 www.power-one.com Page 6 of 14 ZY2160 60A No-Bus POL Data Sheet 8V to 14V Input • 0.5V to 2.75V Output 5. Typical Performance Characteristics Vo [V] 3.0 2.75 2.5 2.1 2.0 1.5 1.0 0.5 9.6 10.5 8.0 9.0 10.0 11.0 12.0 13.0 14.0 Vi [V] Figure 1. Output Voltage as a Function of Input Voltage 5.1 Efficiency Curves 95 95 90 90 85 85 80 80 Vo=0.75V Vo=1.0V Vo=1.2V Vo=0.75V Vo=1.0V Vo=1.2V Vo=1.8V Vo=2.5V Vo=1.8V Vo=2.5V 75 75 0 10 20 30 40 50 60 0 10 20 30 40 50 60 Output Current, A Output Current, A Figure 2. Efficiency vs. Load. Vin=9.6V Figure 3. Efficiency vs. Load. Vin=12V ZD-01966 Rev. 1.3, 11-Oct-2011 www.power-one.com Page 7 of 14 Efficiency, % Efficiency, % ZY2160 60A No-Bus POL Data Sheet 8V to 14V Input • 0.5V to 2.75V Output 95 5.2 Turn-On Characteristics 90 85 80 Vin=9.6V Vin=12V 75 0.5 1 1.5 2 2.5 Output Voltage, V Figure 4. Efficiency vs. Output Voltage, Iout=60A 95 90 Figure 6. Tracking Turn-On. Vin=12V, Ch1 – V1, Ch2 – V2, Ch3 – V3 85 Vo=0.5V Vo=1.8V Vo=2.5V 5.3 Turn-Off Characteristics 80 75 8 9 10 11 12 13 14 Input Voltage, V Figure 5. Efficiency vs. Input Voltage. Iout=60A Figure 7. Tracking Turn-Off Vin=12V, Ch1 – V1, Ch2 – V2, Ch3 – V3 ZD-01966 Rev. 1.3, 11-Oct-2011 www.power-one.com Page 8 of 14 Efficiency, % Efficiency, % ZY2160 60A No-Bus POL Data Sheet 8V to 14V Input • 0.5V to 2.75V Output 5.4 Transient Response The pictures below show the deviation of the output voltage in response to the 50%-75%-50% step load at 1.0A/μs. In all tests the POL converter had a total of 660μF ceramic and tantalum capacitors connected across the output pins. The speed of the transient response was varied by selecting different CCA settings. Figure 9. Vin=12V, Vout=2.5V. CCA=0 Figure 8. Vin=12V, Vout=2.5V. CCA=1 5.5 Thermal Derating Curve 60 50 40 0 LFM 30 100 LFM (0.5 m/s) 200 LFM (1 m/s) 300 LFM (1.5 m/s) 400 LFM (2 m/s) 500 LFM (2.5 m/s) 20 25 35 45 55 65 75 Ambient Temperature, C Figure 10. Thermal Derating Curves. Vin=12V, Vout=2.5V ZD-01966 Rev. 1.3, 11-Oct-2011 www.power-one.com Page 9 of 14 Load Current, A ZY2160 60A No-Bus POL Data Sheet 8V to 14V Input • 0.5V to 2.75V Output 6. Typical Application IBV ENABLE CS SYNC OK CS SYNC OK TRIM PGOOD TRIM PGOOD MARGIN MARGIN EN EN VIN VIN VIN VIN 22uF 22uF 4.7uF 22uF 22uF 4.7uF POL2 POL4 CCA CCA +VS +VS VOUT VOUT VOUT VOUT Vo2 VOUT VOUT VOUT VOUT 220uF 47uF 47uF 22uF 220uF 47uF 47uF 22uF GND GND GND GND IM IM GND GND GND GND GND GND GND GND -VS -VS Vo1 CS SYNC OK CS SYNC OK TRIM PGOOD TRIM PGOOD MARGIN MARGIN EN EN VIN VIN VIN VIN 22uF 22uF 4.7uF 22uF 22uF 4.7uF POL1 POL3 CCA CCA +VS +VS VOUT VOUT VOUT VOUT Vo3 VOUT VOUT VOUT VOUT 220uF 47uF 47uF 22uF 220uF 47uF 47uF 22uF GND GND GND GND IM GND IM GND GND GND GND GND GND GND -VS -VS Figure 11. Complete Schematic of Application with Three Independent Outputs. Intermediate Bus Voltage is from 8V to 14V. In this application four POL converters are configured to deliver three independent output voltages. POL1 and POL2 are connected in parallel for increased output current. Output voltages are programmed with the resistors connected between TRIM and MARGIN pins of individual converters. POL1 is configured as a master (IM pin is grounded) and all other POL converters are synchronized to the switching frequency of POL1. All converters are controlled by the common ENABLE signal. Turn-on and turn-off processes of the system are illustrated by pictures in Figure 6 and Figure 7. ZD-01966 Rev. 1.3, 11-Oct-2011 www.power-one.com Page 10 of 14 ZY2160 60A No-Bus POL Data Sheet 8V to 14V Input • 0.5V to 2.75V Output 7. Pin Assignments and Description Pin Pin Pin Buffer Pin Description Notes Name Number Type Type Connect to OK pin of other Z- POLs. Leave OK 3 I/O PU Fault Status open, if not used Frequency Synchronization Connect to SYNC pin of other Z-POLs or to an SYNC 5 I/O PU Line external clock generator PGOOD 4 I/O PU Power Good Connect to CS pin of other Z-POLs connected in CS 6 I/O PU Current Share/Sense parallel Tie to GND to make the POL the clock master or IM 16 I PU Master Mode leave open to synchronize to external clock Compensation Coefficient CCA 15 I PU Tie to GND for 0 or leave open for 1 Address To program the output voltage, connect a MARGIN 14 A Output Voltage Margining resistor between MARGIN and TRIM POL is ON when the pin is high or floating. POL EN 9 I PU Enable is OFF when the pin is low or connected to GND To program the output voltage, connect a TRIM 1 A Output Voltage Trim resistor between MARGIN and TRIM -VS 10 I A Negative Voltage Sense Connect to the negative point close to the load +VS 11 I A Positive Voltage Sense Connect to the positive point close to the load 18, 20, VOUT P Output Voltage 22,24 7, 8, 17, GND P Power Ground 19, 21, 23 VIN 12, 13 P Input Voltage Legend: I=input, O=output, I/O=input/output, P=power, A=analog, PU=internal pull-up ZD-01966 Rev. 1.3, 11-Oct-2011 www.power-one.com Page 11 of 14 ZY2160 60A No-Bus POL Data Sheet 8V to 14V Input • 0.5V to 2.75V Output as a slave, the internal clock recovery circuit 8. Safety synchronizes the POL converter to the clock of the The ZY2160 POL converters do not provide SYNC line. isolation from input to output. The input devices 9.3 IM, Interleave Mode powering ZY2160 must provide relevant isolation requirements according to all IEC60950 based The input with the internal pull-up resistor. When the standards. Nevertheless, if the system using the pin is left floating, the switching frequency is converter needs to receive safety agency approval, determined by an external clock applied to the SYNC certain rules must be followed in the design of the pin. Pulling the IM pin low configures a POL system. In particular, all of the creepage and converter as a master. The master determines the clearance requirements of the end-use safety clock on the SYNC line. requirements must be observed. These 9.4 PG, Power Good requirements are included in UL60950 - CSA60950- The open drain input/output with the internal pull-up 00 and EN60950, although specific applications may resistor. The pin is pulled low by the POL converter, have other or additional requirements. if the output voltage is outside of the window defined by the Power Good High and Low thresholds. The ZY2160 POL converters have no internal fuse. If required, the external fuse needs to be provided to Note: See the No-Bus Application Note for recommendations on protect the converter from catastrophic failure. Refer PG deglitching. to the “Input Fuse Selection for DC/DC converters” 9.5 CCA, Compensation Coefficient Address application note on www.power-one.com for proper selection of the input fuse. Both input traces and the Inputs with internal pull-ups to select one of 2 sets of chassis ground trace (if applicable) must be capable digital filter coefficients optimized for different of conducting a current of 1.5 times the value of the characteristics of output capacitance. fuse without opening. The fuse must not be placed 9.6 CS, Current Share/Sense Bus in the grounded input line. The open drain digital input/output with the internal Abnormal and component failure tests were pull-up resistor. The duty cycle of the digital signal is conducted with the POL input protected by a fast- proportional to the output current of the POL acting 32V, 25A, fuse. If a fuse rated greater than converter. External capacitive loading of the pin 25A is used, additional testing may be required. shall be avoided. 9.7 MARGIN, Output Voltage Margining In order for the output of the ZY2160 POL converter The output of the 2V internal voltage reference that to be considered as SELV (Safety Extra Low is used to program the output voltage of the POL Voltage), according to all IEC60950 based converter. standards, the input to the POL needs to be supplied by an isolated secondary source providing a SELV 9.8 TRIM, Output Voltage Trim also. The input of the TRIM comparator for the output 9. Pin and Feature Description voltage programming. The output voltage is programmed by a single 9.1 OK, Fault Status resistor connected between MARGIN and TRIM The open drain input/output with the internal pull-up pins. resistor. The POL converter pulls its OK pin low, if a 9.9 EN, Enable fault occurs. Pulling low the OK input by an external The input with the internal pull-up resistor. The POL circuitry turns off the POL converter. converter is turned off, when the pin is pulled low 9.2 SYNC, Frequency Synchronization Line 9.10 –VS and +VS The bidirectional input/output with the internal pull-up The differential voltage input of the POL converter resistor. If the POL converter is configured as a feedback loop. master, the SYNC line propagates clock to other POL converters. If the POL converter is configured ZD-01966 Rev. 1.3, 11-Oct-2011 www.power-one.com Page 12 of 14 ZY2160 60A No-Bus POL Data Sheet 8V to 14V Input • 0.5V to 2.75V Output where R is the value of the trim resistor in kΩ and TRIM 10. Application Information ΔV% is the absolute value of desired margining expressed in percents of the nominal output voltage. 10.1 Output Voltage Programming Resistance of the trim resistor is determined from the During normal operation the resistors are removed equation below: from the circuit by the switches. The “Margining Down” switch is normally closed shorting the resistor 20×(5.5−V ) R while the “Margining Up” switch is normally OUT DOWN R = , kΩ TRIM open disconnecting the resistor R . V UP OUT An alternative configuration of the margining circuit is where V is the desired output voltage in Volts. OUT shown in Figure 13. In the configuration both switches are normally open that may be If the R is open or the TRIM pin is shorted to TRIM advantageous in some implementations. PGND, the V =0.5V. OUT 10.2 Output Voltage Margining POL Margining can be implemented by changing the resistance between the REF and TRIM pins. MARGIN Margining Up Switch Margining (normally open) R Down Switch POL TRIM (normally R closed) UP MARGIN Margining TRIM Up Switch R DOWN (normally R DOWN open) Margining R R UP TRIM Down Switch (normally TRIM open) GND Figure 13. Alternative Margining Configuration GND R and R for this configuration are determined UP DOWN from the following equations: Figure 12. Margining Configuration 20× R  5× R −∆V% TRIM TRIM In the schematic shown in Figure 12, the nominal R = ×  , kΩ UP   20+ R ∆V% output voltage is set with the trim resistor R TRIM   TRIM calculated from the equation in the paragraph 10.1. Resistors R and R are added to margin the UP DOWN 20× R 100−∆V% TRIM output voltage up and down respectively and R = × , kΩ   DOWN 20+ R ∆V%   TRIM determined from the equations below. Caution: Noise injected into the TRIM node may affect accuracy 20× R  5× R −∆V% TRIM TRIM of the output voltage and stability of the POL R = ×  , kΩ UP   converter. Always minimize the PCB trace length from 20+ R ∆V%   TRIM the TRIM pin to external components to avoid noise pickup.  ∆V%  TM R =(20+ R )× , kΩ   DOWN TRIM Refer to No-Bus POL Converters. Application 100−∆V%   Note on www.power-one.com for more application information on this and other product features. ZD-01966 Rev. 1.3, 11-Oct-2011 www.power-one.com Page 13 of 14 ZY2160 60A No-Bus POL Data Sheet 8V to 14V Input • 0.5V to 2.75V Output 11. Mechanical Drawings All Dimensions are in mm Tolerances: XX.X: ±0.1 XX.XX: ±0.05 Figure 14. Mechanical Drawing Figure 15. Recommended Footprint – Top View Notes: 1. NUCLEAR AND MEDICAL APPLICATIONS - Power-One products are not designed, intended for use in, or authorized for use as critical components in life support systems, equipment used in hazardous environments, or nuclear control systems without the express written consent of the respective divisional president of Power-One, Inc. 2. TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on the date manufactured. Specifications are subject to change without notice. ZD-01966 Rev. 1.3, 11-Oct-2011 www.power-one.com Page 14 of 14 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Power-One :   ZY2160G-R1