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SC667 Datasheet(PDF) 11 Page - Semtech Corporation

Part # SC667
Description  7 LED Light Management Unit Automatic Dropout Prevention, Ambient Light Sense Input, PWM Dimming, and 4 LDOs
PDF  47 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC667 Datasheet(HTML) 11 Page - Semtech Corporation

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SC667
11
Pin Descriptions
Pin #
Pin Name
Pin Function
1
LDO1
LDO1 output
2
VIN
Battery voltage input
3
GND
Ground pin
4
PWM
Backlight PWM control signal input
5
BL7
Current sink output for backlight LED 7 — leave this pin open if unused
6
BL6
Current sink output for backlight LED 6 — leave this pin open if unused
7
BL5
Current sink output for backlight LED 5 — leave this pin open if unused
8
BL4
Current sink output for backlight LED 4 — leave this pin open if unused
9
BL3
Current sink output for backlight LED 3 — leave this pin open if unused
10
BL2
Current sink output for backlight LED 2 — leave this pin open if unused
11
BL1
Current sink output for backlight LED 1 — leave this pin open if unused
12
ADI
ADC input
13
SCL
I2C clock input
14
SDA
I2C data — bi-directional line used for read and write operations for all internal registers (refer to
Register Map and I2C Interface sections)
15
IRQ
Interrupt request — open-drain output, active-low
16
EN
Chip enable — active high
17
BYP
Bypass pin for LDO reference — connect a 22nF ceramic capacitor to GND
18
LDO4
LDO4 output
19
LDO3
LDO3 output
20
LDO2
LDO2 output
T
THERMAL PAD
Thermal pad for heatsinking purposes — connect to ground plane using multiple vias — not con-
nected internally



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