Variable Divided Voltage Generator for LCDs

Overview

The LA5312V is a variable divided voltage generator IC for

multiple drive of LCD matrix.

Features

.

Power supply for variable bias LCD drive

(1/5 to 1/19 bias available by internal resistors)

.

Four voltage outputs generated by four operational

amplifiers.

.

Low current drain (0.18 mA typ.)

.

Miniflat package for miniaturization.

Package Dimensions

unit : mm

3179-SSOP20

[LA5312V]

SANYO : SSOP20

Specifications

Maximum Ratings at Ta = 25°C

Parameter

Symbol

Conditions

Ratings

Unit

Maximum supply voltage

36

V

Maximum output current

V1 – V4

*Internal

mA

Allowable power dissipation

Pd max

330

mW

Operating temperature

Topr

–20 to +75

°C

Storage temperature

Tstg

–30 to +125

°C

Note 1: Continuous operation (without damage) is guaranteed in the above ranges.

Note 2: *The maximum output current is the value stipulated under the test conditions on page 4.

Operating Conditions at Ta = 25°C

Parameter

Symbol

Conditions

Ratings

Unit

Supply voltage

–35.5 to –6

V

Input voltage

–35 to –6

V

Output current

V1, V2

–0.5 to +5

mA

V3, V4

–10 to +5

mA

Ordering number: EN5386

Monolithic Linear IC

LA5312V

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN

53096HA(II) No.5386-1/5