LM2623LD datasheet(3/11 Pages) NSC

部件名	LM2623LD

功能描述	General Purpose, Gated Oscillator Based, DC/DC Boost Converter

Download	11 Pages

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制造商	NSC [National Semiconductor (TI)]

网页	http://www.national.com

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3 / 11 page

Pin Description

LLP-14 Pin

MSOP-8 Pin

Name

Function

1

NC

No Connect

2, 3

1

PGND

Power Ground (LLP Pins2&3 must be shorted

together).

4

2

EN

Active-Low Shutdown Input

5

3

FREQ

Frequency Adjust. An external resistor connected

between this pin and a voltage source sets the

switching frequency of the LM2623.

6

4

FB

Output Voltage Feedback

7

NC

No Connect

8

NC

No connect

9

5

SGND

Signal Ground

10

6

V

DD

Power Supply for Internal Circuitry

11

7

BOOT

Bootstrap Supply for the Gate Drive of Internal

MOSFET Power Switch

12, 13

8

SW

Drain of the Internal MOSFET Power Switch. (LLP Pins

12&13 must be shorted together).

14

NC

No Connect

DAP

To be soldered to board for enhanced thermal

dissipation. To be electrically isolated/floating.

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类似零件编号 - LM2623LD

制造商	部件名	数据表	功能描述
National Semiconductor ...	LM2623LD	216Kb / 11P	General Purpose, Gated Oscillator Based, DC/DC Boost Converter
National Semiconductor ...	LM2623LD	595Kb / 11P	General Purpose, Gated Oscillator Based, DC/DC Boost Converter
Texas Instruments	LM2623LD	936Kb / 16P	[Old version datasheet] LM2623 General Purpose, Gated Oscillator Based, DC/DC Boost Converter
Texas Instruments	LM2623LD/NOPB	1Mb / 22P	[Old version datasheet] General-Purpose, Gated-Oscillator-Based DC/DC Boost Converter
National Semiconductor ...	LM2623LDX	216Kb / 11P	General Purpose, Gated Oscillator Based, DC/DC Boost Converter

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类似说明 - LM2623LD

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