NJU6433BFH1 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJU6433BFH1

1/4 DUTY LCD DRIVER

Japan Radio Corporation  

NJU6433B

(6) LCD Panel Drive

(6-1) LCD driving volyage generation circuit

The LCD driving voltage generation circuit generates LCD driving bias voltages V1 and V2 from input voltage

VDD-VLCD. It is generated by the bleeder resistance in IC, and after impedance is converted by the voltage

follower, it is supplied to the LCD driving circuit. The VDD and VLCD terminal requires external capacitors for

bias voltage stabilization for display quality as shown in below.

VDD

VLCD

+

NJU6433B internal

VDD

V2

V1

VLCD

+

VLCD

-8-

Ver.2012-10-23

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