LM2791

SNVS156M – FEBRUARY 2001 – REVISED MAY 2013

www.ti.com

Connection Diagram

Figure 1. Top View

10-Lead WSON

PIN DESCRIPTIONS

Pin

Name

Function

1

BRGT

Variable voltage input controls output current.

2

Charge pump output.

3

C1

−

Connect this pin to the negative terminal of C1.

4

C1+

Connect this pin to the positive terminal of C1.

5

D2

Current source outputs. Connect directly to LED.

6

D1

Current source outputs. Connect directly to LED.

7

GND

Power supply ground input.

8

Power supply voltage input.

9

SD/SD

Shutdown input. Device operation is inhibited when pin is asserted.

10

Current Sense Input. Connect resistor to ground to set constant current through LED.

Block Diagram

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

2

Submit Documentation Feedback

Copyright © 2001–2013, Texas Instruments Incorporated

Product Folder Links: LM2791

Not Recommended For New Designs