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LM22677 Datasheet(PDF) 3 Page - Texas Instruments

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Part # LM22677
Description  LM22677/-Q1 42-V, 5-A SIMPLE SWITCHER짰, Step-Down Voltage Regulator With Features
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM22677 Datasheet(HTML) 3 Page - Texas Instruments

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Exposed Pad
Connect to GND
5 RT/SYNC
6 FB
3 BOOT
1 SW
2 VIN
4 GND
7 EN
LM22677, LM22677-Q1
www.ti.com
SNVS582O – SEPTEMBER 2008 – REVISED AUGUST 2015
5 Pin Configuration and Functions
NDR Package
7-Pin TO-263
Top View
Pin Functions
PIN
TYPE(1)
DESCRIPTION
APPLICATION INFORMATION
NAME
NO.
SW
1
O
Switch output
Switching output of regulator
VIN
2
I
Input voltage
Supply input to the regulator
BOOT
3
I
Bootstrap input
Provides the gate voltage for the high side N-FET
Ground input to
GND
4
—
regulator; system
System ground pin
common
Oscillator mode control
Used to control oscillator mode of regulator. See Switching Frequency
RT/SYNC
5
I
input
Adjustment and Synchronization section of data sheet.
FB
6
I
Feedback input
Feedback input to regulator
Used to control regulator start-up and shutdown. See Precision Enable
EN
7
I
Enable input
and UVLO section of data sheet.
Connect to ground. Provides thermal connection to PCB. See
EP
EP
—
Exposed Pad
Applications and Implementation.
(1)
O = Output, I = Input, G = Ground, P = Power
Copyright © 2008–2015, Texas Instruments Incorporated
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Product Folder Links: LM22677 LM22677-Q1


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