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LM22670QMRE-ADJ/NOPB датащи(PDF) 3 Page - Texas Instruments

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номер детали LM22670QMRE-ADJ/NOPB
подробное описание детали  42-V, 3-A SIMPLE SWITCHER, Step-Down Voltage Regulator With Features
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
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LM22670QMRE-ADJ/NOPB датащи(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
Exposed Pad
Connect to GND
RT/SYNC
3
FB
4
BOOT
1
NC
2
8
SW
7
VIN
6
GND
5
EN
LM22670, LM22670-Q1
www.ti.com
SNVS584P – SEPTEMBER 2008 – REVISED NOVEMBER 2014
5 Pin Configuration and Functions
HSOP Package
TO-263 Package
8-Pin
7-Pin
Top View
Top View
Pin Functions
PIN
SO
TYPE
DESCRIPTION
APPLICATION INFORMATION
PFM
NAME
PowerPAD-8
Package
Package
BOOT
1
3
I
Bootstrap input
Provides the gate voltage for the high side NFET.
Pin is not electrically connected inside the chip. Pin
NC
2
Not Connected
does function as thermal conductor.
Used to control oscillator mode of regulator. See
Oscillator mode control
RT/SYNC
3
5
I
Switching Frequency Adjustment and Synchronization
input
and Self-Synchronization of data sheet.
FB
4
6
I
Feedback input
Feedback input to regulator.
Used to control regulator start-up and shut-down. See
EN
5
7
I
Enable input
Precision Enable and UVLO of data sheet.
Ground input to
GND
6
4
regulator;
System ground pin.
system common
VIN
7
2
I
Input voltage
Supply input to the regulator.
SW
8
1
O
Switch output
Switching output of regulator.
Connect to ground. Provides thermal connection to
EP
EP
EP
Exposed Pad
PCB. See Application and Implementation.
Copyright © 2008–2014, Texas Instruments Incorporated
Submit Documentation Feedback
3
Product Folder Links: LM22670 LM22670-Q1


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