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LM27966 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # LM27966
Description  White LED Driver with I2C Compatible Interface
PDF  13 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM27966 Datasheet(HTML) 2 Page - National Semiconductor (TI)

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Connection Diagram
24 Pin Quad LLP Package
NS Package Number SQA24A
20190102
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
D5, D4, D3, D2,
D1
LED Drivers - Main Display
3D
AUX
LED Driver - Indicator LED
17
I
SET
Placing a resistor (R
SET) between this pin and GND sets the full-scale LED
current for Dx , and D
AUX LEDs.
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
4, 5, 6, 8, 11
NC
No Connect
Ordering Information
Order Information
Package
Supplied As
LM27966SQ
SQA24 LLP
1000 Units, Tape & Reel
LM27966SQX
4500 Units, Tape & Reel
www.national.com
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