Lineage Power

4

Data Sheet

March 27, 2008

36 Vdc - 75 Vdc Input, 1.2 to 3.3 Vdc Output; 25A

QRW025 Series Power Modules; dc-dc Converters

Feature Specifications

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

See Feature Descriptions for additional information

.

Parameter

Symbol

Min

Typ

Max

Unit

Remote On/Off Signal Interface*

(VI = 0 V to 75 V; open collector or equivalent compatible; signal

referenced to VI(–) terminal; see Figure 34

and Feature Descriptions.):

Preferred Logic:

Logic Low—Module On

Logic High—Module Off

Optional Logic:

Logic Low—Module Off

Logic High—Module On

Logic Low:

At Ion/off = 1.0 mA

At Von/off = 0.0 V

Logic High:

At Ion/off = 0.0 µA

Leakage Current

Turn-on Time; see Typical Start-up Curve(IO = IO max;

Vo within ±1% of steady state)

Von/off

Ion/off

Von/off

Ion/off

0

—

—

—

—

—

—

—

2

1.2

1.0

15

50

4

V

mA

V

µA

ms

Output Voltage Adjustment

(See Feature Descriptions):

Output Voltage Remote-sense Range

Output Voltage Set-point Adjustment Range (trim)

—

—

—

80

—

—

10

110

%VO,rated

%V0,nom

Output Overvoltage Protection

VO, ovsd

1.42

—

1.58

V

Overtemperaute Protection (IO = IO, max)

Tref1

—

127

—

°C