34844 datasheet(4/37 Pages) FREESCALE

Part #	34844

Description	10 Channel LED Backlight Driver with Integrated Power Supply

PDF	37 Pages

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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4 / 37 page

Analog Integrated Circuit Device Data

Freescale Semiconductor

34844

PIN CONNECTIONS

SDA

Bidirectional

I2C data

I2C data Line

SCK

Bidirectional

I2C clock

I2C clock line

VDC1

Output

Internal Regulator 1

Decoupling capacitor for internal logic rail

COMP

Passive

Compensation pin

Boost converter Type compensation pin

M/~S

Input

Master/Slave selector

Selects Master Mode (1) or Slave Mode (0)

VDC2

Output

Internal Regulator 2

Decoupling capacitor for internal regulator

VOUT

Input

Voltage Output

Boost Output voltage sense pin

GND

Ground

Ground Reference for all internal circuits other than Boost FET

Table 1. 34844 Pin Definitions (continued)

A functional description of each pin can be found in the Functional Pin Description section beginning on page 12.

Pin Number

Pin Name

Pin Function

Formal Name

Definition

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