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LM2623AMM bảng dữ liệu(PDF) 3 Page - Texas Instruments

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tên linh kiện LM2623AMM
Giải thích chi tiết về linh kiện  General-Purpose, Gated-Oscillator-Based DC/DC Boost Converter
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LM2623AMM bảng dữ liệu(HTML) 3 Page - Texas Instruments

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LM2623
www.ti.com
SNVS188H – MAY 2004 – REVISED NOVEMBER 2014
5 Pin Configuration and Functions
WSON Package
14 Pins
Top View
VSSOP Package
8 Pins
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 & 3 must be shorted together).
4
2
EN
Digital
Active-Low Shutdown Input
Frequency Adjust. An external resistor connected between this pin and
5
3
FREQ
Analog
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 & 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.
Copyright © 2004–2014, Texas Instruments Incorporated
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3
Product Folder Links: LM2623



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