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LM2623AMM/NOPB Datasheet(PDF) 3 Page - Texas Instruments

Part # LM2623AMM/NOPB
Description  LM2623 General-Purpose, Gated-Oscillator-Based DC-DC Boost Converter
PDF  23 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LM2623AMM/NOPB Datasheet(HTML) 3 Page - Texas Instruments

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LM2623
www.ti.com
SNVS188I – MAY 2004 – REVISED OCTOBER 2017
Product Folder Links: LM2623
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Copyright © 2004–2017, Texas Instruments Incorporated
5 Pin Configuration And Functions
NHE Package
14-Pin WSON
Top View
DGK Package
8-Pin VSSOP
Top View
Pin Functions
PIN
TYPE
DESCRIPTION
WSON
VSSOP
NAME
1
—
NC
N/A
No Connect
2, 3
1
PGND
GND
Power Ground (WSON Pins 2 and 3 must be shorted together).
4
2
EN
Digital
Active-Low Shutdown Input
5
3
FREQ
Analog
Frequency Adjust. An external resistor connected between this pin and a
voltage source sets the switching frequency of the LM2623.
6
4
FB
Analog
Output Voltage Feedback
7
—
NC
N/A
No Connect
8
—
NC
N/A
No connect
9
5
SGND
GND
Signal Ground
10
6
VDD
Power
Power Supply for Internal Circuitry
11
7
BOOT
Analog
Bootstrap Supply for the Gate Drive of Internal MOSFET Power Switch
12, 13
8
SW
Analog
Drain of the Internal MOSFET Power Switch. (WSON pins 12 and 13 must
be shorted together.)
14
—
NC
N/A
No Connect
DAP
—
DAP
Thermal
To be soldered to board for enhanced thermal dissipation. To be
electrically isolated/floating.



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