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

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

PSSP75 Series

75 Watt Single Output

Built-In Active PFC Function

AC/DC Switching Power Supply

FEATURES

● 3 Year Warranty

● Fixed Switching Frequency

● LED Indicator for Power On

● Low Profile: 33mm Thickness

● 100% Full Load Burn-In Tested

● Universal AC Input / Full Range

● Remote ON/OFF Control (Optional)

● Built-In Active PFC Function, PF > 0.93

● Built-In Constant Current Limiting Circuit

● Short Circuit, Overload, and Over Voltage Protected

SPECIFICATIONS: PSSP75 Series

All specifications are based on 25

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

INPUT SPECIFICATIONS

Input Voltage Range (See Note 5)

85 ~ 264VAC (120 ~ 370VDC)

Input Frequency

47 to 63Hz

AC Current (typical)

1.3A @ 115VAC

0.7A @ 230VAC

Inrush Current (typical)

Cold Start 30A @ 230VAC

Leakage Current

< 2mA @ 240VAC

Power Factor (typical)

PF > 0.93 @ 230VAC

PF > 0.96 @ 115VAC and full load

Remote ON/OFF Control (Option)

CN3: 4~10VDC POWER OFF, < 0 ~ 0.8VDC POWER ON

OUTPUT SPECIFICATIONS

Output Voltage

See Table

Output Power

See Table

Voltage Tolerance (See Note 3)

3.3V - 15V outputs: 2.0%;

24V - 48V outputs: 1.0%

Voltage Adjustment Range

See Table

Line Regulation

0.5%

Load Regulation

3.3V - 7.5V outputs: 1.0%; 12V - 48V outputs: 0.5%

Output Current

See Table

Ripple & Noise (max) (See Note 2)

3.3V - 15V outputs: 80mVp-p; 24V - 48V outputs: 100mVp-p

Setup, Rise Time

600ms, 60ms @ full load

Hold Up Time (typical)

36ms @ full load

Temperature Coefficient

±0.05%/°C (0 ~ 50°C)

PROTECTION

Overload Protection

105 ~ 150% rated output power

Protection Type: Constant current limiting; recovers automatically after fault condition is removed

Over Voltage

See Table

Protection Type: Shutdown output voltage, re-power on to recover.

GENERAL SPECIFICATIONS

Switching Frequency

PFC: 67KHz PWM: 134KHz

Efficiency (typical)

See Table

Withstand Voltage

3000VAC (Input to Output), 1500VAC (Input to FG), 500VAC (Output to FG)

Isolation Resistance

100MΩ/500DC (Input to Output, Input to FG, and 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

20 ~ 90% RH non-condensing

Storage Humidity

10 ~ 95% RH

Vibration

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

MTBF

208,800 hours min. @ 25°C (MIL-HDBK-217F)

PHYSICAL SPECIFICATIONS

Weight

550 grams

Dimensions

179(L) x 97(W) x 33(H) mm

Warranty

3 years

SAFETY & EMC (See Note 4)

Safety Standards

UL60950-1, TUV EN60950-1 approved

EMI Conduction & 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; ENV50204, EN55024, light industry level, criteria A