Rev. B

PSPDF-320 Series

Up to 321.6 Watts

Single Output, PFC Function

AC/DC Switching Power Supply

Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833

03/02/2012

603-778-2300 www.wallindustries.com Fax 603-778-9797

Page 2 of 5

SPECIFICATIONS: PSPDF-320 SERIES

All specifications are based on 25°C, Nominal Input Voltage, and Maximum Output Current unless otherwise noted.

We reserve the right to change specifications based on technological advances.

SPECIFICATION

TEST CONDITIONS

Min

Nom

Max

Unit

INPUT SPECIFICATIONS

AC input voltage range

88

264

VAC

Input Voltage Range

DC input voltage range

124

370

VDC

At 115VAC and cold start

30

Inrush Current

At 230VAC and cold start

50

A

Input Frequency

47

63

Hz

At 115VAC

0.98

Power Factor

At 230VAC

0.95

VAC

AC Current

4.0

A

OUTPUT SPECIFICATIONS

Output Voltage

See Table

3.3V, 4V, 5V, & 7.5V output models

-2.0

+2.0

Voltage Accuracy

12V, 24V 28V, 36V, & 48V output models

-1.0

+1.0

%

Voltage Adjustment Range

See Table

3.3V, 4V, 5V, & 7.5V output models

-0.5

+0.5

12V output model

-0.3

+0.3

Line Regulation

24V, 28V, 36V, & 48V output models

-0.2

+0.2

%

3.3V, 4V, 5V, & 7.5V output models

-1.0

+1.0

Load Regulation

12V, 24V 28V, 36V, & 48V output models

-0.5

+0.5

%

Output Current

See Table

Output Power

See Table

See Table

At 115VAC and Full load

2.5

Set-up Time

At 230VAC and Full load

1.2

s

3.3V, 4V, & 5V output models

14

Hold-up Time

7.5V, 12V, 24V, 28V, 36V, 48V output models

At 230VAC and full load

16

ms

Overshoot

5.0

%

Temperature Coefficient

-0.03

+0.03

%/°C

PROTECTION

Over Load Protection

Hiccup mode, automatic recovery

105

135

% Io

Over Voltage Protection

Hiccup mode, automatic recovery

110

150

% Vo

Short Circuit Protection

Long-term mode, automatic recovery

Over Temperature Protection

85°C±5°C (detect on heatsink of power transistor); shutdown, automatic recovery after the temperature goes down

GENERAL SPECIFICATIONS

Efficiency

See Table

Primary to Secondary

3000

Primary to PG

1500

Withstand Voltage

Secondary to PG

≤ 10mA

500

VAC

Isolation resistance

100

MΩ

Input to Output

0.1

Leakage Current

Input to PG

0.75

mA

ENVIRONMENTAL SPECIFICATIONS

Operating Temperature

-20

+65

°C

Operating Humidity

non-condensing

20

90

% RH

Storage Temperature

-40

+85

°C

Storage Humidity

non-condensing

10

95

% RH

Cooling Method

Forced air cooling (Built-in fan)

MTBF

At 25°C and full load

300,000

hours

PHYSICAL SPECIFICATIONS

Weight

Approx. 2.56 lbs (1160g)

Dimensions (L x W x H)

8.92 x 4.53 x 1.97 inches

(226.5 x 115 x 50 mm)

Safety Standards

UL60950-1; EN60950-1: 2006

EMI Conduction and Radiation

Compliance to EN55022 (CISPR22) Class B

Harmonic Current

Compliance to EN61000-3-2, 17625.1-2003

EMS Immunity

Compliance to EN61000-4-2,3,4,5,6,8,11; ENV50204, light industry level, criteria A