SC667 datasheet(11/47 Pages) SEMTECH

부품명	SC667

상세설명	7 LED Light Management Unit Automatic Dropout Prevention, Ambient Light Sense Input, PWM Dimming, and 4 LDOs

PDF	47 Pages

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제조업체	SEMTECH [Semtech Corporation]

홈페이지	http://www.semtech.com

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11 / 47 page

SC667

Pin Descriptions

Pin #

Pin Name

Pin Function

LDO1

LDO1 output

VIN

Battery voltage input

GND

Ground pin

PWM

Backlight PWM control signal input

BL7

Current sink output for backlight LED 7 — leave this pin open if unused

BL6

Current sink output for backlight LED 6 — leave this pin open if unused

BL5

Current sink output for backlight LED 5 — leave this pin open if unused

BL4

Current sink output for backlight LED 4 — leave this pin open if unused

BL3

Current sink output for backlight LED 3 — leave this pin open if unused

BL2

Current sink output for backlight LED 2 — leave this pin open if unused

BL1

Current sink output for backlight LED 1 — leave this pin open if unused

ADI

ADC input

SCL

I2C clock input

SDA

I2C data — bi-directional line used for read and write operations for all internal registers (refer to

IRQ

Interrupt request — open-drain output, active-low

Chip enable — active high

BYP

Bypass pin for LDO reference — connect a 22nF ceramic capacitor to GND

LDO4

LDO4 output

LDO3

LDO3 output

LDO2

LDO2 output

THERMAL PAD

Thermal pad for heatsinking purposes — connect to ground plane using multiple vias — not con-

nected internally

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