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Mean Well PSD-45A-12 DC-DC Converter - 30W - 9~18V in 12V out 2.5A
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PSD-45A-12 is the 12V output model of this series: rated current 2.5A, rated power 30W, typical efficiency 78%.
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
- 2.5A
- CURRENT RANGE
- 0 ~ 2.5A
- RATED POWER
- 30W
- 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
- 9.2 ~18VDC (12VDC)
- EFFICIENCY(Typ.)
- 78%
- 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-45A-12 to run a 12V PLC accessory or control circuit from a 9-18VDC source?
Yes, this model is a constant-voltage DC-DC converter with a 12V output and a 9.2-18VDC input range. It is suited to 12V industrial control loads that stay within its 30W and 2.5A output limits.
Is the PSD-45A-12 a fit for 12V embedded systems or industrial interface boards?
It can fit 12V embedded or interface hardware when the system needs a regulated 12V output and the total draw does not exceed 2.5A or 30W. The 2:1 wide input range also helps when the available source falls within 9.2-18VDC.
Can this converter power a small 12V relay, sensor, or alarm subsystem in automation equipment?
Yes, it is intended for constant-voltage 12V loads and provides up to 2.5A. That makes it appropriate for smaller 12V automation subcircuits as long as the combined load remains within 30W.
Would the PSD-45A-12 work for 12V mobile or battery-backed electronics inside a control enclosure?
It is often a practical fit where the source is within 9.2-18VDC and the downstream electronics require 12V constant-voltage power. The available output is capped at 30W and 2.5A, so the enclosure load has to stay inside those limits.
Is the PSD-45A-12 suitable for outdoor or harsh-environment use?
The listed operating temperature is -10°C to +60°C, so that is the defined thermal range. No IP rating is provided in the specs, so the product data does not confirm outdoor, wet, or dust-exposed use.
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Other PSD-45A Models
2 other models| Model | Power | Voltage | Current | IP Rating | |
|---|---|---|---|---|---|
| Mean Well PSD-45A-5 DC-DC Converter - 30W - 9~18V in 5V out 6A | 30W | 5V | 6A | IP20 | View |
| Mean Well PSD-45A-24 DC-DC Converter - 30W - 9~18V in 24V out 1.25A | 30W | 24V | 1.25A | IP20 | View |
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