Owner manual

MAX9550/MAX9551/MAX9552

High-Current VCOM Drive Buffers

for TFT LCDs

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Pin Description

MAX9550

THIN

SOT23

µMAX

MAX9551 MAX9552

NAME FUNCTION

1 6 — — OUT VCOM Output

2 4 4 11 GND Ground

3 3 — — IN+ Positive Input

4 2 — — IN- Negative Input

57 8 4 V

Positive Supply Input

— — 1 1 OUTA VCOM Output A

— — 3 3 INA+ Positive Input A

— — 2 2 INA- Negative Input A

—

1, 5, 8

— — N.C. No Connection. Not internally connected.

— — 5 5 INB+ Positive Input B

— — 6 6 INB- Negative Input B

— — 7 7 OUTB VCOM Output B

— — — 8 OUTC VCOM Output C

— — — 9 INC- Negative Input C

— — — 10 INC+ Positive Input C

— — — 12 IND+ Positive Input D

— — — 13 IND- Negative Input D

— — — 14 OUTD VCOM Output D

—EP EP EP EP

Exposed Paddle. EP is internally connected to GND. Connect

EP to GND.