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Mean Well PSD-45B-5 DC-DC Converter - 45W - 18~36V in 5V out 9A
Overview
PSD-45B-5 is the 5V output model of this series: rated current 9A, rated power 45W, typical efficiency 77%.
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
- 5V
- RATED CURRENT
- 9A
- CURRENT RANGE
- 0 ~ 9A
- RATED POWER
- 45W
- RIPPLE & NOISE (max.)Note.2
- 100mVp-p
- VOLTAGE ADJ RANGE
- 4.5 ~ 5.5V
- 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
- 18 ~ 36VDC (24VDC)
- EFFICIENCY(Typ.)
- 77%
- 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
- 5.75 ~ 6.75V/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-45B-5 to power a 5V PLC, controller, or industrial logic board from an 18-36V source?
Yes, this model is a constant-voltage 5V DC-DC converter rated for 45W with up to 9A output current. It is intended for systems that need 5V output while the available input is within the 18-36V range.
Is the PSD-45B-5 suitable for embedded computers or edge devices that need a higher-current 5V rail?
It can fit embedded or industrial electronics that require regulated 5V output and draw up to 9A. With a 45W rating, it is better suited to higher-current 5V loads than lower-power 5W, 15W, or 25W members of the PSD series.
Can this converter be used in automation equipment that runs from nominal 24V control power?
Yes, the specified input range is 18-36V, which aligns with systems operating inside that window. The output remains constant-voltage 5V at up to 9A and 45W for downstream electronics.
Is the PSD-45B-5 appropriate for indoor or outdoor industrial environments?
The published specs list an operating temperature range of -10°C to +60°C, but no IP rating is provided. Based on that data, it should be evaluated as a temperature-rated power component rather than as an outdoor-rated or weatherproof unit.
How does the PSD-45B-5 compare with other 45-series PSD models?
Within the 45W series, PSD-45B-12 and PSD-45C-12 are 12V at 3.75A, PSD-45B-24 and PSD-45C-24 are 24V at 1.875A, and PSD-45C-5 is 5V at 9A. The PSD-45B-5 is the 45W, 5V, 9A option with an 18-36V input range. Note that PSD-45A models are 30W.
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Other PSD-45B Models
2 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well PSD-45B-24 DC-DC Converter - 45W - 18~36V in 24V out 1.875A | 45W | 24V | 1.875A | IP20 | $20.00 | View |
| Mean Well PSD-45B-12 DC-DC Converter - 45W - 18~36V in 12V out 3.75A | 45W | 12V | 3.75A | IP20 | $20.00 | View |
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