SPECIFICATIONS,ALLMODELS

Specifications are at T

ISOLATION

Input/Output Isolation Voltage

1500

2250

Resistance

10

M

Ω

Capacitance

1.5

nF

Leakage Current

240 Vrms, 50Hz

100

µA

OUTPUT

Rated Power

WPA50R48S012

22

W

WPA50R48S015

27

W

WPA50R48S018

33

W

WPA50R48S022

40

W

WPA50R48S025

45

W

WPA50R48S033

50

W

WPA50R48S050

50

W

Voltage Setpoint Accuracy

1.0

1.5

Output Voltage Trim Range

-5.0

+8.0

Temperature Coefficient

±0.002

±0.005

%/°C

Output Voltage Regulation

Line Regulation

Vin = 36V - 75V, Iout = Max

0.30

0.50

%

Load Regulation

Vin = 48V, Iout = 0-Max

0.30

0.60

%

Ripple & Noise (NOTE 1)

Vin = 48V, < 20Mhz bandwidth

75

mVp-p

Transient Response

Step change in output current

(50%-100% Step @ 0.2A/

)

1.2 - 2.5 Vout

Vin = 48V

8

3.3 - 5.0 Vout

Vin = 48V

6

Turn-On Time

Vin = 48V

200

500

mS

Remote Sense Compensation

8%

Overcurrent Protection

Vin = 48V

105

140

%

GENERAL

Switching Frequency

380

400

420

KHz

MTTF per ML-HDBK-217

Circuit Stress Method

Ground Benign

TA = +25°

TBD

Hrs

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

INPUT

Voltage Range

Vin = 48V, Io=I Rated

36

48

75

Reflected Ripple Current

Vin = 48V, Io=I Rated

450

600

mApk-pk

Inrush Charge

42

µC

Maximum Input Current

Vin=36V

1.2 Vout

0.75

A

1.5 Vout

0.93

A

1.8 Vout

1.10

A

2.2 Vout

1.31

A

2.5 Vout

1.50

A

3.3 Vout

1.60

A

5.0 Vout

1.55

A

INPUT CONTROL

Temperature Shutdown

115

°C

Temperature Hysteresis

5°C

Quiescent Standby Current

Vin = 48V

3

4

mA

Power Dissipation

No Load, Remote On/Off

Disabled, Vin = 48Vdc

2.00

W

Undervoltage Shutdown

31.50

32.5

35.0

V

Undervoltage Hysteresis

0.50

2

3.00

V

NOTE 1: Measured at 20 MHz bandwidth across a

10µf multi layer ceramic capacitor located approximately 1” from output terminals.

µs