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Mean Well PSD-45C-12 DC-DC Converter - 45W - 36~72V in 12V out 3.75A
Overview
PSD-45C-12 is the 12V output model of this series: rated current 3.75A, rated power 45W, typical efficiency 83%.
Features
- 2:1 wide input range
- Protections:Short circuit/Over load /Over voltage/ Polarity
- Cooling by free air convection
- Built-in EMI filter, low ripple noise
- 100% full load burn-in test
- Fixed switching frequency at 96KHZ
- Low cost
- High reliability
- 2 year warranty
Specifications
OUTPUT
- DC VOLTAGE
- 12V
- RATED CURRENT
- 3.75A
- CURRENT RANGE
- 0 ~ 3.75A
- RATED POWER
- 45W
- RIPPLE & NOISE (max.)Note.2
- 120mVp-p
- VOLTAGE ADJ RANGE
- 10.8 ~13.2V
- VOLTAGE TOLERANCENote.3
- ± 2.0%
- LINE REGULATION
- ± 1.0%
- LOAD REGULATION
- ± 1.0%
- SETUP, RISE, HOLD UP TIME
- 1000ms, 50ms, ----/12VDC/24VDC at full load; 1500ms,50ms,----48VDC at full load
INPUT
- VOLTAGE RANGE
- 36~72VDC(48VDC)
- EFFICIENCY(Typ.)
- 83%
- DC CURRENT(Typ.)
- 3.5A/12VDC 2.5A/24VDC 1.2A/48VDC
PROTECTION
- OVER LOAD
- 105% -160% rated output power Protection type :shut down, Re-power on after fault condition is removed
- OVER VOLTAGE
- 13.8~ 16.2V/10%load Protection type : Hiccup mode, recovery automatically after fault condition is removed
ENVIRONMENT
- WORKING TEMP.
- -10 ~ +60℃ (Refer to output load derating curve),20~90%RH non-condensing
- WORKING HUMIDITY
- 20 ~ 95% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -20 ~ +85℃, 10 ~ 95% RH
- TEMP. COEFFICIENT
- ±0.05%/℃ (0 ~ 50℃)
- VIBRATION
- 10 ~ 500Hz, 2G 10min./1cycle, Period for 60min.each along X, Y, Z axes
SAFETY & EMC
- SAFETY STANDARDS
- TUV BS EN/EN62368-1, EAC TP TC 004 approved
- WITHSTAND VOLTAGE
- I/P-O/P:1.5KVAC I/P-FG:2.0KVAC O/P-FG:0.5KVAC
- ISOLATION RESISTANCE
- I/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC / 25℃/ 70% RH
- EMI CONDUCTION&RADIATION
- Compliance to BS EN/EN55032(CISPR32) CLASS B, EAC TP TC 020
- EMS IMMUNITY
- Compliance to BS EN/EN61000-4-2,3,4,6,8,BS EN/EN55035,BS EN/EN61000-6-1 Light industry level, EAC TP TC 020
OTHERS
- MTBF
- 3067.4K hrs min. Telcordia SR-332 (Bellcore) ; 463.9K hrs min. MIL-HDBK-217F (25℃)
- DIMENSION
- 127*76*30mm (L*W*H)
- PACKING
- 0.19Kg;72pcs/15.6Kg/1.28CUFT
Test conditions and notes5
- 1.All parameters NOT specially mentioned are measured at normal input,rated load and 25℃ of ambient temperature.
- 2.Ripple & noise are measued at 20 MHz of bandwidth by using a 12inch twisted pair-wire termined with a 0.1uf & 47uf capacitor.
- 3.Tolerance:includes set up tolerance,line regulation and load regulation.
- 4.The interval of turning ON and OFF the power supply continuously is 2 seconds.
- 5.The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).
Technical drawings
Downloads
FAQ
Can I use the PSD-45C-12 to power 12V industrial controls from a 36-72V DC bus?
Yes, this unit is designed for 36-72V input and provides a constant 12V output. Its output rating is 45W with up to 3.75A available for the connected 12V load.
Is the PSD-45C-12 a fit for telecom or control cabinets that distribute higher DC voltage but need local 12V power?
It is suitable where the source voltage stays within 36-72V and the load requires regulated 12V DC. The converter provides up to 3.75A output current and uses a 2:1 wide input range.
Can this model power 12V sensors, relays, or automation accessories in a distributed system?
It can support 12V accessories and control devices as long as the total demand stays within 45W and 3.75A. The constant-voltage output is intended for equipment that expects a regulated 12V supply.
Is the PSD-45C-12 suitable for outdoor panels or harsh exposed locations?
The specifications show an operating temperature range of -10°C to +60°C, but no IP rating is listed. That means the temperature range is defined, while outdoor or washdown suitability is not established by the published data.
How does the PSD-45C-12 compare with other PSD 45-series options?
The related higher-output models listed are PSD-45B-5 and PSD-45C-5 at 5V and 9A, PSD-45B-24 and PSD-45C-24 at 24V and 1.875A, and PSD-45B-12 at 12V and 3.75A; this PSD-45C-12 is the 45W, 12V, 3.75A model with 36-72V input.
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Other PSD-45C Models
2 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well PSD-45C-5 DC-DC Converter - 45W - 36~72V in 5V out 9A | 45W | 5V | 9A | IP20 | $20.00 | View |
| Mean Well PSD-45C-24 DC-DC Converter - 45W - 36~72V in 24V out 1.875A | 45W | 24V | 1.875A | IP20 | $20.00 | View |
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