SANYO LA5314 Datasheet

Ordering number: EN5376

Monolithic Linear IC

LA5314

Variable Divided Voltage Generator

for LCD Use

Overview

The LA5314 is a valiable diveded voltage generator IC for
multiple drive of LCD matrix.

Package Dimensions

unit : mm

3222-HSOP28

[LA5314]

Features

.

Power supply for variable bias LCD matrix. (1/5 to 1/20 bias
available by built-in resistances)

.

Five operational amplifiers to deliver 5 voltage outputs

.

Low current drain (1.6 mA typ)

.

Miniflat package for miniturization

SANYO : HSOP28

Specifications

Maximum Ratings atTa=25°C

Parameter Symbol Conditions Ratings Unit
Maximum supply voltage V
Maximum output current l
Allowable power dissipation Pd max 600 mW
Operating temperature Topr –20 to +75 °C
Storage temperature Tstg –30 to +150 °C

max VCC–V

CC

max V0 to V4

OUT

EE

38 V

*±25

mA

Note: 1. Continuous operation (non breakdown) is guaranteed when operated at the maximum ratings shown above.

2. *The maximum output current is a value specified under the conditions otherwise specified separately.

Operating Conditions at Ta = 25°C

Parameter Symbol Conditions Ratings Unit
Supply voltage V

l

OUT

Output current

Note: 3. Set VCCand VEEso that |V0–V1| and |V4| become 1V or greater.

l

OUT

l

OUT

VCC–V

CC

0, 1 V0, V1 –0.5 to +10 mA
2, 3 V2, V3 –10 to +10 mA

4 V4 –15 to +0.5 mA

EE

10 to 35 V

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83096HA(II) No.5376-1/5

LA5314

Operating Chararcteristics at Ta = 25°C, VCC– VEE= 20 V, V

Parameter Symbol Conditions min typ max Unit
Current drain I
Output voltage difference 1 Vd1 (V0 – V1) – (V1 – V2) –30 +30 mV
Output voltage difference 2 Vd2 (V3 – V4) – (V4 – V
Output voltage ratio 1 Rb1 V0/(V0 – V1) 11.64 12.00 12.36 —
Output voltage ratio 2 Rb2 V0/(V0 – V2) 5.82 6.00 6.18 —
Output voltage ratio 3 Rb3 V0/V3 5.82 6.00 6.18 —
Output voltage ratio 4 Rb4 V0/V4 11.64 12.00 12.36 —
Internal resistnace ratio 1 8R R
Internal resistance ratio 2 12R R
Internal resistance ratio 3 14R R
Internal resistance ratio 4 15R R

Resistance R
Load regulation 1 ∆V0 V0: –0.2 mA < I

Load regulation 2 ∆V1 V1: –0.2 mA < I
Load regulation 3 ∆V2 V2: –10.0 mA < I
Load regulation 4 ∆V3 V3: –10.0 mA < I
Load regulation 5 ∆V4 V4: –10.0 mA < I

CC,IEE

VCC,VEE:VCC–VEE=20V,RX= 8R 1.6 3 mA

) –30 +30 mV

EE

1–RX2* 8—

X

1–RX3* 12 —

X

1–RX4* 14 —

X

1–VIN3* 15 —

X

R value when 0.6 V is applied across R
R

5–RX6

X

0 < +10.0 mA –20 +20 mV

OUT

1 < +10.0 mA –20 +20 mV

OUT

2 < +10.0 mA –20 +20 mV

OUT

3 < +10.0 mA –20 +20 mV

OUT

4 < +0.2 mA –20 +20 mV

OUT

= VCC, RX= 8R

REF

5–RX6:

X

20 kΩ

Note* : Referenced to R between RX4 and VIN3

Pd max — Ta

Pin Assignment

Allowable power dissipation, Pd max — W

Temperature, Ta —°C

T00025

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