LM27965SQ datasheet(2/13 Pages) NSC

No de pièce	LM27965SQ

Description	Dual Display White LED Driver with I2C Compatible Brightness Control

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Fabricant	NSC [National Semiconductor (TI)]

Site Internet	http://www.national.com

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Connection Diagram

24 Pin Quad LLP Package

NS Package Number SQA24A

20155002

Pin Descriptions

Pin #s

Pin Names

Pin Descriptions

24

V

IN

Input voltage. Input range: 2.7V to 5.5V.

23

P

OUT

Charge Pump Output Voltage

19, 22 (C1)

20, 21 (C2)

C1, C2

Flying Capacitor Connections

12, 13, 14, 15,

16

D5A, D4A, D3A,

D2A, D1A

LED Drivers - GroupA

4, 5, 6

D1B, D2B, D3B

LED Drivers - GroupB

3

D1C

LED Driver - Indicator LED

17

I

SET

Placing a resistor (R

SET) between this pin and GND sets the full-scale LED

current for DxA , DxB, and D1C LEDs.

Full-Scale LED Current = 200 x (1.25V ÷ R

SET)

1

SCL

Serial Clock Pin

2

SDIO

Serial Data Input/Output Pin

7

VIO

Serial Bus Voltage Level Pin

10

RESET

Harware Reset Pin. High = Normal Operation, Low = RESET

9, 18, DAP

GND

Ground

8, 11

NC

No Connect

Ordering Information

Order Information

Package

Supplied As

LM27965SQ

SQA24 LLP

1000 Units, Tape & Reel

LM27965SQX

4500 Units, Tape & Reel

www.national.com

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Numéro de pièce similaire - LM27965SQ

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Numéro de pièce similaire - LM27965SQ

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