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LM22671-Q1 Fiches technique(PDF) 3 Page - Texas Instruments

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No de pièce LM22671-Q1
Description  LM22671/-Q1 42 V, 500 mA SIMPLE SWITCHER짰 Step-Down Voltage Regulator with Features
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

LM22671-Q1 Fiches technique(HTML) 3 Page - Texas Instruments

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background image
Exposed Pad
Connect to GND
RT/SYNC
3
FB
4
BOOT
1
SS
2
8
SW
7
VIN
6
GND
5
EN
LM22671, LM22671-Q1
www.ti.com
SNVS589N – SEPTEMBER 2008 – REVISED NOVEMBER 2014
5 Pin Configuration and Functions
HSOP Package
8-Pin
Top View
Pin Functions
PIN
TYPE
DESCRIPTION
APPLICATION INFORMATION
NAME
NO.
BOOT
1
I
Bootstrap input
Provides the gate voltage for the high side NFET.
Used to control regulator start-up and shut-down. See the
EN
5
I
Precision enable pin
Precision Enable and UVLO section of data sheet.
Connect to ground. Provides thermal connection to PCB. See
EP
EP
Exposed Pad
the Application and Implementation.
FB
4
Feedback pin
Feedback input to regulator.
GND
6
System ground
System ground pin.
Used to control oscillator mode of regulator. See the Switching
Oscillator frequency adjust pin or
RT/SYNC
3
Frequency Adjustment and Synchronization section of data
frequency synchronization
sheet.
Used to increase soft-start time. See the Soft-Start section of
SS
2
Soft-start pin
data sheet.
SW
8
O
Switch pin
Switching output of regulator.
VIN
7
I
Source input voltage
Supply input to the regulator.
Copyright © 2008–2014, Texas Instruments Incorporated
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Product Folder Links: LM22671 LM22671-Q1


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