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LM2831XMF/NOPB Datasheet(PDF) 3 Page - Texas Instruments

Part # LM2831XMF/NOPB
Description  LM2831 High-Frequency 1.5-A Load — Step-Down DC-DC Regulator
PDF  39 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LM2831XMF/NOPB Datasheet(HTML) 3 Page - Texas Instruments

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VIN
SW
2
1
3
5
4
EN
FB
GND
1
2
3
4
6
5
EN
FB
SW
DAP
VINA
VIND
GND
LM2831
www.ti.com
SNVS422D – AUGUST 2006 – REVISED SEPTEMBER 2015
5 Pin Configuration and Functions
NGG Package
6-Pins WSON
Top View
DBV Package
5-Pin SOT-23
Top View
Pin Functions
PIN
I/O
DESCRIPTION
NAME
SOT-23
WSON
Enable control input. Logic high enables operation. Do not allow this pin to
EN
4
6
I
float or be greater than VIN + 0.3 V, or VINA + 0.3 V for WSON.
FB
3
1
I
Feedback pin. Connect to external resistor divider to set output voltage.
Signal and power ground pin. Place the bottom resistor of the feedback
GND
2
2
PWR
network as close as possible to this pin.
SW
1
3
O
Output switch. Connect to the inductor and catch diode.
VIN
5
—
PWR
Input supply voltage
VINA
—
5
PWR
Control circuitry supply voltage. Connect VINA to VIND on PC board.
VIND
—
4
PWR
Power input supply
Die Attach
Connect to system ground for low thermal impedance, but it cannot be
—
DAP
PWR
Pad
used as a primary GND connection.
Copyright © 2006–2015, Texas Instruments Incorporated
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Product Folder Links: LM2831



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