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LP2950 数据表(PDF) 3 Page - Texas Instruments

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部件名 LP2950
功能描述  LP295x Adjustable Micropower Voltage Regulators with Shutdown
PDF  32 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

LP2950 数据表(HTML) 3 Page - Texas Instruments

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2
3
4
8
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6
5
INPUT
FEEDBACK
VTAP
ERROR
OUTPUT
SENSE
SHUTDOWN
GND
LP2951
D OR P PACKAGE
(TOP VIEW)
OUTPUT
GND
INPUT
LP2950
LP PACKAGE
(BOTTOM VIEW)
LP2951
DRG PACKAGE
(TOP VIEW)
1
2
3
4
8
7
6
5
INPUT
FEEDBACK
V
TAP
ERROR
OUTPUT
SENSE
SHUTDOWN
GND
Thermal
Pad
LP2950, LP2951
www.ti.com
SLVS582I – APRIL 2006 – REVISED NOVEMBER 2014
5 Pin Configuration and Functions
Pin Functions
PIN
TYPE
DESCRIPTION
NAME
LP2950
LP2951
Active-low open-collector error output. Goes low when VOUT drops by 6% of its
ERROR
—
5
O
nominal value.
Determines the output voltage. Connect to VTAP (with OUTPUT tied to SENSE)
FEEDBACK
—
7
I
to output the fixed voltage corresponding to the part version, or connect to a
resistor divider to adjust the output voltage.
GND
2
4
—
Ground
INPUT
3
8
I
Supply input
OUTPUT
1
1
O
Voltage output.
Senses the output voltage. Connect to OUTPUT (with FEEDBACK tied to VTAP)
SENSE
—
2
I
to output the voltage corresponding to the part version.
SHUTDOWN
—
3
I
Active-high input. Shuts down the device.
VTAP
—
6
O
Tie to FEEDBACK to output the fixed voltage corresponding to the part version.
Copyright © 2006–2014, Texas Instruments Incorporated
Submit Documentation Feedback
3
Product Folder Links: LP2950 LP2951



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