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

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

PSPS45 Series

Single Output

Up to 48 Watts

AC/DC Power Supply

FEATURES

• 2 Year Warranty

• 100% Full Load Burn-In Test

• Universal AC Input/ Full Range

• Low Leakage Current < 0.75mA

• Cooling by Free Air Convection

• Fixed Switching Frequency at 65KHz

• Short Circuit, Overload, and Over Voltage Protected

All specifications are based on 25

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

INPUT SPECIFICATIONS

Input Voltage

90 – 264VAC (127 – 370VDC)

Input Frequency

47 ~ 440Hz

AC Current (typical)

0.8A @ 115VAC

0.56A @ 230VAC

Inrush Current (typical)

15A @ 115VAC

30A @ 230VAC cold start

Leakage Current

< 0.75mA @ 240VAC

OUTPUT SPECIFICATIONS

Output Voltage

See Table

Output Voltage Tolerance (See Note 3)

3.3, 5, 7.5V outputs: ±3.0%;

12, 13.5, 15, 24, 27, 48V outputs: ±2.0%

Voltage Adjustment Range

See Table

Output Power (max)

Rated output power for convection; 52W (+3.3V: 35W) with 18CFM min.

Line Regulation

±1.0%

Load Regulation

3.3, 5, 7.5V outputs: ±3.0%;

12, 13.5, 15, 24, 27, 48V outputs: ±2.0%

Output Current

See Table

Ripple & Noise (See Note 2)

See Table

Setup, Rise Time

800ms, 30ms at full load

Hold Up Time

60ms at full load

Temperature Coefficient

±0.05%/°C (0~50°C)

PROTECTION

Over Voltage Protection

See Table

Protection Type: Hiccup mode, recovers automatically after fault condition is removed.

Overload Protection

53 ~ 75W (3.3V: 36 ~ 55W) rated output power

Protection Type: Hiccup mode, recovers automatically after fault condition is removed.

GENERAL SPECIFICATIONS

Switching Frequency (fixed)

65KHz

Efficiency (typical)

See Table

Withstand Voltage

3KVAC (input to output), 1.5KVAC (input to FG), 0.5KVAC (output to FG).

Isolation Resistance

100MΩ / 500VDC (input to output, input to FG, output to FG)

ENVIRONMENTAL SPECIFICATIONS

Working Temperature

-10°C to +60°C (refer to output load derating curve)

Storage Temperature

-20°C to +85°C

Working Humidity (non-condensing)

20% ~ 90% RH non-condensing

Storage Humidity (non-condensing)

10% ~ 95% RH

Vibration

10~500Hz, 2G 10min./1cycle, Period for 60 minutes each along X, Y, and Z axes.

Cooling

Free air convection

MTBF

300,700 hours min.

MIL-HDBK-217 (25°C)

PHYSICAL SPECIFICATIONS

Weight

18 oz.

Dimensions

127(L) x 76(W) x 28(H) mm

Warranty

2 years

SAFETY & EMC (See Note 4)

Safety Standards

UL60950-1, TUV EN60950-1 Approved

EMI Conduction and Radiation

Compliance to EN55022 (CISPR22) Class B

Harmonic Current

Compliance to EN61000-3-2,3

EMS Immunity

Compliance to EN61000-4-2,3,4,5, 6, 8, 11; EN50204, EN55024, Light industry level, criteria A.