Data Sheet

June 16, 2009

18/20– 30Vdc input; 3.0 – 6.0Vdc & 5.0 – 15.0Vdc Output; 30& 50W

5

Feature Specifications

Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature

conditions. See Feature Descriptions for additional information.

Parameter

Device

Symbol

Min

Typ

Max

Unit

On/Off Signal interface

(On/Off is open collector/drain logic input;

Signal referenced to GND - See feature description

section)

Device is with suffix “4” – Positive Logic

Logic High (On/Off pin open – Module ON)

Input High Current

All

⎯

10

µA

Input High Voltage

All

−2.5V

⎯

30

V

Logic Low (Module OFF)

Input Low Current

All

⎯

⎯

1

mA

Input Low Voltage

All

-0.3

⎯

1.2

V

Turn-On Delay and Rise Times

Case 1: On/Off input is enabled and then

input power is applied (delay from instant at

All

Tdelay

2

4

8

msec

Case 2: Input power is applied for at least one second

and then the On/Off input is enabled (delay from instant

All

Tdelay

2

4

8

msec

10% of Vo, set to 90% of Vo, set)

All

Trise

2

5

9

msec

Output voltage overshoot

3.0

Remote Sense Range

―

―

0.5

V

Over temperature Protection

All

⎯

125

135

°C

(See Thermal Consideration section)

Input Undervoltage Lockout

Turn-on Threshold

AXB030

17

Vdc

AXB050

19

Vdc

Turn-off Threshold

AXB030

15

Vdc

AXB050

17

Vdc