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Mean Well

Mean Well PD-45A Power Supply 45W 5V 12V 3.2A

low leakage current < 0.5mAlow costhigh reliability
SKU PD-45A
$19.05 USD
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In stock
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Overview

PD-45A is the CH1: 5V / CH2: 12V output model of this series: rated current CH1: 3.2A / CH2: 2A, rated power 40W, typical efficiency 77%.

Features

  • Universal AC input/Full range
  • Low leakage current<0.5mA
  • Protections: Short circuit / Overload / Over voltage
  • Cooling by free air convection
  • 100% full load burn-in test
  • Fixed switching frequency at 65KHz
  • 2 years warranty

Specifications

PD-45ASpecifications from the official datasheet (2024-10-30 edition)

OUTPUT

OUTPUT NUMBER
CH1 / CH2
DC VOLTAGE
CH1: 5V / CH2: 12V
RATED CURRENT
CH1: 3.2A / CH2: 2A
CURRENT RANGE
CH1: 0.4 ~ 5A / CH2: 0.2 ~ 2.5A
RATED POWER
40W
OUTPUT POWER (max.)
Rated output power for convection; 52W with 18CFM min. Forced air
RIPPLE & NOISE (max.)Note.2
CH1: 50mVp-p / CH2: 120mVp-p
VOLTAGE ADJ. RANGE
CH1:4.75 ~ 5.5V
VOLTAGE TOLERANCENote.3
CH1: ±4.0% / CH2: ±7.0%
LINE REGULATION
CH1: ±1.0% / CH2: ±2.0%
LOAD REGULATION
CH1: ±3.0% / CH2: ±4.0%
SETUP, RISE TIME
800ms, 20ms at full load
HOLD UP TIME (Typ.)
60ms at full load

INPUT

VOLTAGE RANGE
90 ~ 264VAC 127 ~370VDC
FREQUENCY RANGE
47 ~ 440Hz
EFFICIENCY(Typ.)
77%
AC CURRENT (Typ.)
1A/115VAC 0.7A/230VAC
INRUSH CURRENT (Typ.)
COLD START 15A/115VAC 30A/230VAC
LEAKAGE CURRENT
<0.75mA

PROTECTION

OVERLOAD
53 ~ 75W rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed.
OVER VOLTAGE
5.75 ~ 6.75VDC on CH1 Protection type : Hiccup mode, recovers automatically after fault condition is removed.

ENVIRONMENT

WORKING TEMP.
-10 ~ +60℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-20 ~ +85℃, 10 ~ 95% RH
TEMP. COEFFICIENT
±0.04%/℃ (0 ~ 50℃) on +5V output
VIBRATION
10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes

SAFETY & EMC

SAFETY STANDARDS
UL62368-1, TUV BS EN/EN62368-1, EAC TP TC 004 approved
WITHSTAND VOLTAGE
I/P-O/P:3KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
ISOLATION RESISTANCE
I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION
Compliance to BS EN/EN55032 (CISPR32) Class B, BS EN/EN61000-3-2,-3, EAC TP TC 020
EMC IMMUNITY
Compliance to BS EN/EN61000-4-2,3,4,5,6,8,11, BS EN/EN55035, light industry level, EAC TP TC 020

OTHERS

MTBF
3814.3K hrs min. Telcordia SR-332 (Bellcore) ; 498.8K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
127*76*28mm (L*W*H)
PACKING
0.2Kg; 72pcs/16Kg/1.28CUFT
Test conditions and notes7
  1. 1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature.
  2. 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1μF & 47μF parallel capacitor.
  3. 3. Tolerance : includes set up tolerance, line regulation and load regulation.
  4. 4. The power supply is considered a component which will be installed into a final equipment. All the EMC tests are been executed by mounting the unit on a 360mm*360mm metal plate with 1mm of thickness. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.” (as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf )
  5. 5. Mounting holes M1 and M2 should be grounded for EMI purposes.
  6. 6. Heat Sink HS1,HS2 can not be shorted.
  7. 7. 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

PD-45A Mechanical Specification
Mechanical Specification
PD-45A Block Diagram
Block Diagram
PD-45A Derating Curve
Derating Curve

Downloads

FAQ

Can I use the PD-45A for a 5V industrial controller or larger interface assembly?

Yes, this model is suitable for 5V constant voltage industrial electronics. It delivers 5V at 3.2A rated on CH1 plus a second 12V output at 2A on CH2, with 40W total rated output power.

Is the PD-45A appropriate for embedded systems with multiple 5V boards or peripherals?

It can be a good fit when the combined 5V load stays within 3.2A. The 12V CH2 output (2A) can also supply peripherals, as long as the total stays within the 40W rating.

Can the PD-45A power 5V automation displays, logic modules, or monitoring equipment?

Yes, it is designed for constant voltage applications and can be used for 5V automation displays, logic modules, or monitoring electronics up to 3.2A. Its 12V CH2 output at 2A can power related 12V devices in the same equipment.

Is the PD-45A suitable for outdoor cabinets or damp locations?

The operating temperature range is -10°C to +60°C, but no IP rating is provided in the listed specs. That points to indoor or otherwise protected use rather than exposed outdoor or wet environments.

What size 5V load is the PD-45A meant to support compared with smaller 5V PD units?

The PD-45A provides 5V at 3.2A rated on CH1 and 12V at 2A on CH2, for 40W rated output power with convection cooling, or up to 52W with 18CFM minimum forced air.

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Mean Well PD-45A Power Supply 45W 5V 12V 3.2A
Mean Well

Mean Well PD-45A Power Supply 45W 5V 12V 3.2A

$19.05 USD

PD-45A is the CH1: 5V / CH2: 12V output model of this series: rated current CH1: 3.2A / CH2: 2A, rated power 40W, typical efficiency 77%.

Features

  • Universal AC input/Full range
  • Low leakage current<0.5mA
  • Protections: Short circuit / Overload / Over voltage
  • Cooling by free air convection
  • 100% full load burn-in test
  • Fixed switching frequency at 65KHz
  • 2 years warranty
View product

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