Manufacturers
POWER GENERAL SM3-25-1DCM
Description
Power General SM3-25-1DCM |Switching Power Supply Modules| AC-DC Triples Chassis-Mount: 85-265 VAC Input
Part Number
SM3-25-1DCM
Price
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Manufacturer
POWER GENERAL
Lead Time
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Category
PRODUCTS - S
Specifications
AC Input
Universal input voltage range 85-265, VAC single phase or 118-370 VDC.
Altitude
0 to 10,000 feet.
Continuous Output Power
25W, maximum (see Note 10).
Cooling
Convection cooling is adequate. When operating in a confined area, moving air is recommended.
Design Topology
Flyback converter with current-mode control.
Efficiency
60%,minimum (115 or 230 VAC input, full load conditions).
Electrical Strength/Isolation
5300 VDC, input-to-output for one minute.
EMI Filter
Standard. Meets conducted EMI requirements of FCC Class A.
Frequency of Operation
65 kHz (fixed).
Hold-Up Time
16 ms (115 VAC input), 32 ms (230 VAC input), minimum, nominal load.
Input Line Frequency
47-440 Hz (50/60 Hz, nominal).
Input Line Protection
Input line fuse provided.
Mean Time Between Failures
>165,000 hours. 152 Will Drive · Canton
Noise, Ripple and Spike
1% peak-to-peak, max.
Output Power De-Rating
De-rate output power and current linearly 2%/°C from +50°C to +70°C.
Output Voltage Adjust
Chassis-mount models only: Primary output adjustable ±3%; auxiliary outputs fixed.
Over-Voltage Protection
Primary output (V1), 120% of rated output voltage, typical.
Overload Protection
Power-limit circuit.
Power-Fail Warning
Optional—chassis-mount, single output, 5V model only: TTL-compatible
Relative Humidity
0 to 95%, non-condensing.
Short-Circuit Protection
Continuous.
Soft Start
Standard on all models. Prevents output overshoot and power transformer
Storage Humidity
0 to 95%, non-condensing.
Storage Temperature
-40°C to +85°C.
Temperature Coefficient
±0.05%/°C over the entire operating temperature range.
Temperature Range
-20°C to +70°C.
Features
- 0% Minimum Load Requirement
- 85-265 VAC Universal Input Voltage Range
- CE Mark: UL/CSA/EN60950 Approvals
- FCC Class A Input Line Filter
- Minimum 165,000-Hour MTBF
- Over-Current/Short-Circuit Protection
- Pin-Mount and Chassis-Mount Packages
- Single and Triple Output Models
Datasheet
Extracted Text
25W SWITCHING POWER SUPPLY MODULES ✔ Single and Triple Output Models ✔ 85-265 VAC Universal Input Voltage Range ✔ Pin-Mount and Chassis-Mount Packages ✔ CE Mark: UL/CSA/EN60950 Approvals ✔ FCC Class A Input Line Filter ✔ 0% Minimum Load Requirement ✔ Over-Current/Short-Circuit Protection ✔ 2-Year Warranty ✔ Minimum 165,000-Hour MTBF CHARACTERISTICS AC Input....................................Universal input voltage range 85-265 Output Current Output VAC single phase or 118-370 VDC. Output Voltage Min. Nom. Max. Voltage Line Load Cross- Model Output (V) (A) (A) (A) Tol. Reg. Reg. Reg. Input Line Frequency ................47-440 Hz (50/60 Hz, nominal). Input Line Protection.................Input line fuse provided. (Note 1.) AC-DC Singles Chassis-Mount: 85-265 VAC Input EMI Filter...................................Standard. Meets conducted EMI SM1-25-1DCM V1 5 0.00 5.00 5.00 1.0% 0.1% 0.4% — requirements of FCC Class A. SM1-25-3DCM V1 12 0.00 2.10 2.10 1.0% 0.1% 0.4% — DC Output.................................See table. AC-DC Singles Pin-Mount: 85-265 VAC Input Continuous Output Power.........25W, maximum (see Note 10). SM1-25-1DPM V1 5 0.00 5.00 5.00 1.0% 0.1% 0.4% — Output Voltage Adjust ...............Chassis-mount models only: Primary SM1-25-3DPM V1 12 0.00 2.10 2.10 1.0% 0.1% 0.4% — output adjustable ±3%; auxiliary out- puts fixed. See Note 10. AC-DC Triples Chassis-Mount: 85-265 VAC Input Efficiency...................................60%,minimum (115 or 230 VAC V1 +5 0.00 4.00 4.00 1.0% 0.1% 0.5% — input, full load conditions). SM3-25-1DCM V2 +12 0.00 0.20 0.30 4.0% 0.1% 0.3% 0.1% Hold-Up Time............................16 ms (115 VAC input), 32 ms (230 V3 - 12 0.00 0.20 0.30 4.0% 0.1% 0.3% 0.1% VAC input), minimum, nominal load. V1 +5 0.00 3.80 4.00 1.0% 0.1% 0.5% — Overload Protection ..................Power-limit circuit. SM3-25-2DCM V2 +15 0.00 0.20 0.30 4.0% 0.1% 0.3% 0.1% V3 - 15 0.00 0.20 0.30 4.0% 0.1% 0.3% 0.1% Short-Circuit Protection.............Continuous. Over-Voltage Protection............Primary output (V1), 120% of rated AC-DC Triples Pin-Mount: 85-265 VAC Input output voltage, typical. V1 +5 0.00 4.00 4.00 1.0% 0.1% 0.5% — Soft Start...................................Standard on all models. Prevents SM3-25-1DPM V2 +12 0.00 0.20 0.30 4.0% 0.1% 0.3% 0.1% output overshoot and power trans- V3 - 12 0.00 0.20 0.30 4.0% 0.1% 0.3% 0.1% former saturation at turn-on. V1 +5 0.00 3.80 4.00 1.0% 0.1% 0.5% — Design Topology .......................Flyback converter with current-mode SM3-25-2DPM V2 +15 0.00 0.20 0.30 4.0% 0.1% 0.3% 0.1% V3 - 15 0.00 0.20 0.30 4.0% 0.1% 0.3% 0.1% control. Frequency of Operation ............65 kHz (fixed). Notes Electrical Strength/Isolation......5300 VDC, input-to-output for one 1. An external input line fuse is optional: Use a 2A/250V slow-blow fuse. minute. 2. All measurements are made directly at the terminals of the supply. Noise, Ripple and Spike ...........1% peak-to-peak, max. (Note 3.) 3. Peak-to-peak and RMS metering equipment must have a 20 MHz fre- Power-Fail Warning...................Optional—chassis-mount, single out- quency response with probes and cables that maintain a frequency put, 5V model only: TTL-compatible response of 20 Hz to 20 MHz. Output ripple and spikes are measured directly at the output terminals of the power supply with a 0.1 µF ceramic (logic 1, 4 ms, minimum, before loss capacitor. The probe ground band must make contact with the output of output). To specify the power-fail return or common terminal to prevent erroneous noise measurements. option, add the letter “P” to the 4. MTBF is calculated using the parts stress method in MIL-HDBK 217F model number suffix. (ground benign, TA = +25°C). Temperature Range ..................-20°C to +70°C. 5. Output voltage tolerance is measured under nominal load conditions. 6. Line regulation is measured under nominal load conditions as the input Output Power De-Rating...........De-rate output power and current voltage is varied from 85 to 265 VAC. linearly 2%/°C from +50°C to +70°C. 7. Load regulation is measured at 115 VAC or 230 VAC. The output under Temperature Coefficient............±0.05%/°C over the entire operating test is brought to 60% of nominal load; load current is then varied ±40% temperature range. of nominal while other outputs are held at nominal load conditions. 8. Cross-regulation is tested by changing the load on the primary output Relative Humidity......................0 to 95%, non-condensing. from 50% to 100% of nominal load while measuring the voltage change Altitude ......................................0 to 10,000 feet. on the auxiliary output under test. Cooling......................................Convection cooling is adequate. 9. Remote sensing links are provided for single output, chassis-mount mod- When operating in a confined area, els for improved load regulation. moving air is recommended. 10. De-rate output power by 1% for each 1% of remote-sensing compensa- tion or output voltage adjustment. Storage Temperature ................-40°C to +85°C. 11. The SM1-25 and SM3-25 series are approved to UL1950 (File E140439), Storage Humidity ......................0 to 95%, non-condensing. CSA (File LR52335) and to EN60950/IEC950/DIN VDE 0805 (TÜV Mean Time Between Failures ...>165,000 hours. (Note 4.) License R0097573). POWER 152 Will Drive · Canton, MA 02021 USA · Phone 781-828-6216 · Fax 781-830-1155 · Email power@nidecpg.com · http://www.nidec.com GENERAL 22 25W SWITCHING POWER SUPPLY MODULES Single Output Pin-Mount Models Single Output Chassis-Mount Models Triple Output Pin-Mount Models SM1-25 AND SM3-25 SERIES A. Dimensions shown are in inches. B. Tolerances = 0.00 ±0.01 inch. 0.000 ±0.005 inch. C. Terminal “SW” on chassis-mount models is for ac line connection through an external switch: No internal connection. Pin-Out Chassis-Mount Models Pin-Mount Models Pin SM1-25 SM3-25 SM1-25 SM3-25 1 AC LIne AC LIne AC LIne AC LIne 2 AC Neutral AC Neutral AC Neutral AC Neutral 3 -Sense V1 Return V1 V3 4 Return V1 Return V1 Return 5 V1 V3 N/C V2/V3 Comm 6 +Sense V2/V3 Comm N/A V1 7 Power Fail V2 N/A V2 POWER 152 Will Drive · Canton, MA 02021 USA · Phone 781-828-6216 · Fax 781-830-1155 · Email power@nidecpg.com · http://www.nidec.com GENERAL 23
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