BP5311A Datasheet, PDF (1/5 Pages) Rohm – DC / DC converter for LCDs

DC / DC converter for LCDs
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.
Absolute maximum ratings (Ta=25°C)
Parameter
Symbol
Limits
Unit
Power supply voltage
VIN
7
V
Operating temperature range
Topr
0~60
°C
Storage temperature range
Tstg
−30~+85
°C
Block diagram
TRANSFORMER
CURRENT
SENSOR
SW CTRL
9
8
7
CONTROL
CIRCUIT
ON / OFF
4
3
2
1
1/4