Data Sheet

March 27, 2008

QBW018A0B Series Power Modules, DC - DC Converters:

36 – 75Vdc Input; 12Vdc Output; 18A Output Current

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

Remote On/Off Signal Interface

terminal)

Negative Logic: Device code suffix “1”

Logic Low = module On, Logic High = module Off

Positive Logic: No device code suffix required

Logic Low = module Off, Logic High = module On

On/Off Thresholds:

Remote On/Off Current – Logic Low

All

5

10

15

μA

Logic Low Voltage

All

0.0

⎯

0.8

V

Logic High Voltage – (Typ = Open Collector)

All

2.0

⎯

5.0

V

Logic High maximum allowable leakage current

All

⎯

⎯

6.0

μA

Maximum voltage allowed on On/Off pin

All

⎯

⎯

14.0

V

Turn-On Delay and Rise Times

All

Vin

16

msec

application of Vin with Remote On/Off set to On or

operation of Remote On/Off from Off to On with Vin

already applied for at least one second.

All

On/Off

1

msec

Output Voltage Rise time (time for Vo to rise from 10%

of V

All

―

1

msec

All

200

mV

Output Overvoltage Protection (Clamp)

All

13

⎯

15

V

Overtemperature Protection

All

⎯

125

⎯

°C

(See Thermal Consideration section)

Input Undervoltage Lockout

Turn-on Threshold

All

⎯

35

36

V

Turn-off Threshold

All

32

34

⎯

V