BP5311A / BP5311XA

The BP5311A and BP5311XA are DC / DC converters for supplying power to liquid crystal display (LCD) panels.

The modules supply a positive voltage for LCDs from a logic circuit power supply (+5). They are available in a

single in-line package as an upright (BP5311A) or L-shaped lead (BP5311XA) type.

Applications

LCD panels in personal computers and word processors.

Features

1) High conversion efficiency

2) Built-in protection circuit

3) Built-in ON/OFF switch.

4) Compact and light.

5) Surface mounting is possible because parts are concentrated on one side.

6) Available as an upright or L-shaped lead type.

DC / DC converter for LCDs

Absolute maximum ratings (Ta=25

°C)

Block diagram

Parameter

Symbol

Limits

Unit

Power supply voltage

7V

Operating temperature range

Topr

°C

Storage temperature range

Tstg

°C

0~60

−30~+85

SW CTRL

ON / OFF

TRANSFORMER

CURRENT

SENSOR

4

98

7

3

2

1

CONTROL

CIRCUIT

1/4