LM2791LD-H National Semiconductor, LM2791LD-H Datasheet - Page 3

• Manufacturer Part Number: LM2791LD-H
• Description: Current Regulated Switched Capacitor LED Driver with Analog Brightness Control
• Manufacturer: National Semiconductor

Pin Description
Block Diagram
Pin
10
1
2
3
4
5
6
7
8
9
SD/SD
BRGT
Name
P
GND
C1−
C1+
I
V
D2
D1
SET
OUT
IN
Variable voltage input controls output current.
Charge pump output.
Connect this pin to the negative terminal of C1.
Connect this pin to the positive terminal of C1.
Current source outputs. Connect directly to LED.
Current source outputs. Connect directly to LED.
Power supply ground input.
Power supply voltage input.
Shutdown input. Device operation is inhibited when pin is asserted.
Current Sense Input. Connect resistor to ground to set constant current through LED.
3
Function
20018302
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