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

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

DTSPU45 Series

Up to 50 Watts

Single, Dual, & Triple Outputs

AC/DC Desktop Power Supply

Rev. A

FEATURES

● Splash Proof

● Class I Insulation

● Two Year Warranty

● IEC-320-C14 Input Inlet

● Optional Output Connectors

● Single, Dual, and Triple Outputs

● Over Voltage Protection (Crowbar Design)

● Wide Input Voltage 90 to 264VAC, 47~63Hz

● Output Voltage Available from 2VDC to 50VDC

● Input Surge Current, Over Voltage, and Over Load Protection

SPECIFICATIONS: DTSPU45 Series

All specifications are based on 25

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

SPECIFICATION

TEST CONDITIONS

Min

Nom

Max

Unit

Input Voltage

90

264

VAC

Input Frequency

47

63

Hz

Input Current (Low Line)

Io = Full Load, Vin = 115VAC

1.35

A

Input Current (High Line)

Io = Full Load, Vin = 230VAC

0.8

A

Inrush Current (Low Line)

Io = Full Load, 25°C, Cool Start, Vin = 115VAC

12

15

A

Inrush Current (High Line)

Io = Full Load, 25°C, Cool Start, Vin = 230VAC

26

30

A

Safety Ground Leakage Current

Io = Full Load, Vin = 240VAC

0.5

0.75

mA

Start-Up Time

Io = Full Load, Vin = 100VAC

0.3

1

2

s

Output Voltage Range

See Rating Chart

VDC

Load Regulation

Vin = 230VAC

3

15

%

Line Regulation

Io = Full Load

0.5

1

%

Output Power Range

Vin = 90 to 264VAC

0

50

W

Output Current Range

See Rating Chart

A

Full Load, Vin = 90VAC

0.5

1

%

Transient Response

Io = Full Load to Half Load, Vin = 100VAC

4

ms

Hold-Up Time

Io = Full Load, Vin = 110VAC

16

ms

PROTECTION

Over Voltage Protection

112

132

%

Over Current Protection

110

150

%

GENERAL

Efficiency

Io = Full Load, Vin = 230VAC

75

83

88

%

Dielectric Withstanding Voltage

For Primary to Secondary

Primary to Secondary

4242

VDC

Dielectric Withstanding Voltage

For Primary to Ground

Primary to Ground

2121

VDC

Isolation Resistance

Test Voltage = 500VDC

50

MΩ

ENVIRONMENTAL

Operating Temperature

Derate linearly from 100% Load at 40°C to 50% load at 70°C

0

70

°C

Storage Temperature

-40

85

°C

Relative Humidity

5

95

%

Temperature Coefficient

All Outputs

-0.04

+0.04

%/°C

PHYSICAL

Weight

Approximately 535 ~ 560

grams

Dimensions

5.75(L) x 2.99(W) x 1.69(H)

inches

Warranty

2

years

SAFETY

EMI Requirements for CISPR-22

Vin = 220VAC

B

Class

EMI Requirements for FCC PART-15

Vin = 110VAC

B

Class

*Note: The Ripple & Noise for output voltages under 3.3VDC is 2% max.