LM2793LD datasheet(2/10 Pages) NSC

部件名	LM2793LD

功能描述	Low Noise White LED Constant Current Supply with Dual Function Brightness Control

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制造商	NSC [National Semiconductor (TI)]

网页	http://www.national.com

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Connection Diagram

LM2793

10-pin Leadless Leadframe Package (LLP-10)

3mmx3mmx0.8mm

NS Package Number LDA10A

20063603

Top View

Ordering Information

Order Number

Package Description

Package

Marking

Supplied as Tape and Reel

(Units)

LM2793LD

LLP-10

LM2793

1000

LM2793LDX

LLP-10

LM2793

4500

Pin Description

Name

Description

1V

IN

Power supply voltage connection

2

C1-

Flying capacitor C1 connection

3

C2+

Flying capacitor C2 connection

4

C1+

Flying capacitor C1 connection

5P

OUT

Charge pump output

6

D1

Current source output / LED connection

7

D2

Current source output / LED connection

8

SD-BRGT

Dual function Shutdown - Brightness. Grounding pin shuts down part. Voltage

between 0.75V and 2.75V (typ.) linearly adjusts current outputs. Output current

equals 16mA at voltages above 2.75V.

9

GND

Power supply ground connection

10

C2-

Flying capacitor C2 connection

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2

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