Rev.04.02.08

qbwiibc

3 of 4

Embedded Power for

Business-Critical Continuity

Specifications Contd.

OUTPUT

INPUT

OUTPUT

OUTPUT

OUTPUT

EFFICIENCY

TOTAL

MODEL

POWER

VOLTAGE

VOLTAGE

CURRENT

CURRENT

(TYP.)

REGULATION

NUMBER

(1,4)

(MAX.)

(MIN)

(MAX.)

168 W

36-75 Vdc

12 V

0 A

14 A

94.5%

±10%

TQW14A-48S12-RJ

TQW14A-48S12-RJ

Part Number System with Options

Product Family

TQW = Transformer Quarter-Brick

Wide Input

Rated Output Current

14A = 14 Amps

Input Voltage

48 V

Type of Output

S = Single

Output Voltage

12 V

Remote ON/OFF Logic

‘-R’ = Negative (See Note 1)

J = Pb-free (RoHS 6/6 compliant)

Notes

1

The standard product features active-low remote ON/OFF.

Active low ON/OFF

ON <0.7 V

OFF > 1.1 V or open circuit.

2

Tested with 4 x 47 μF tantalum capacitors plus 2 x 4.7 μF ceramic capacitors.

See Application Note 135 for set-up.

3

Derating curves available in both the Longform Datasheet and Application

Note.

4

TSE RoHS 5/6 (non Pb-free) compliant versions may be available on special

request, please contact your local sales representative for details.

RECOMMENDED SYSTEM CAPACITANCE

Input capacitance

33 μF

Output capacitance

200 μF/10 mW ESR max.