King Billion Electronics Co., Ltd

駿

億

電

子

股

份

有

限

公

司

KD125

LCD Driver Series

January 20, 2005

V1.10

This specification is subject to change without notice. Please contact sales person for the latest version before use.

11

C2

C2

C2

C2

C2

C2

C2

C2

C1

C1

C1

C1

C1

C2

C2

C2

C2

C2

C2

C2

C2

C1

C1

C1

C1

V1

V2

V3

V4

V5

LCAP1A

LCAP1B

LCAP2A

LCAP2B

LCAP3A

LCAP4A

LCAP5A

LGS1

LGS2

LVP

VAG

V1

V2

V3

V4

V5

LCAP1A

LCAP1B

LCAP2A

LCAP2B

LCAP3A

LCAP4A

LCAP5A

LGS1

LGS2

LVP

VAG

LVP=6XVDD=15V

VDD=2.5V

6X set-up voltage circuit

LVP=5XVDD=15V

5X set-up voltage circuit

GND

VDD=3V

GND

C1 and C2 are determined by the size of the LCD being driven (0.1u~10u)

.

The voltage regulator circuit:

VADJ[2:0]

ADJ

000

+10%

001

+7%

010

+4%

011

+1%

100

-1%

101

-4%

110

-7%

111

-10%

V5=(1+R2/R1)*(1V±Vref*ADJ)

Charge pump times

Vref

6X

1.7

5X

1.2

4X

1.2

Condition : VDD =

3.3V