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Giải thích chi tiết về linh kiện  Automotive Gated-Oscillator-Based DC-DC Boost Converter
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nhà sản xuất  TI1 [Texas Instruments]
Trang chủ  http://www.ti.com
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LM2623QNHLRQ1 bảng dữ liệu(HTML) 3 Page - Texas Instruments

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1
2
3
4
5
6
7
14
13
12
11
10
9
8
NC
PGND
PGND
EN
FREQ
FB
NC
NC
NC
SW
SW
BOOT
VDD
SGND
3
LM2623-Q1
www.ti.com
SNVSAO5 – OCTOBER 2017
Product Folder Links: LM2623-Q1
Submit Documentation Feedback
Copyright © 2017, Texas Instruments Incorporated
5 Pin Configuration and Functions
NHL Package
14-Pin WSON
Top View
Pin Functions
PIN
TYPE
DESCRIPTION
NO.
NAME
1
NC
No connect
2, 3
PGND
GND
Power ground (pins 2 and 3 must be shorted together)
4
EN
Digital
Active-low shutdown input
5
FREQ
Analog
Frequency adjust; connect an external resistor between this pin and a voltage source
sets the switching frequency of the LM2623-Q1.
6
FB
Analog
Output voltage feedback
7
NC
No connect
8
NC
No connect
9
SGND
GND
Signal ground
10
VDD
Power
Power supply for internal circuitry
11
BOOT
Analog
Bootstrap supply for the gate drive of internal MOSFET power switch
12, 13
SW
Analog
Drain of the internal MOSFET power switch (pins 12 and 13 must be shorted together)
14
NC
No connect
DAP
DAP
Thermal
Solder to board for enhanced thermal dissipation; must be electrically isolated/floating.


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