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LM2940 Datasheet(PDF) 1 Page - E-Tech Electronics LTD

Part # LM2940
Description  1A LOW-DROPOUT POSITIVE VOLTAGE REGULATOR
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Manufacturer  ETL [E-Tech Electronics LTD]
Direct Link  http://e-tech.com.hk
Logo ETL - E-Tech Electronics LTD

LM2940 Datasheet(HTML) 1 Page - E-Tech Electronics LTD

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UNISONIC TECHNOLOGIES CO., LTD
LM2940
LINEAR INTEGRATED CIRCUIT
www.unisonic.com.tw
1 of 12
Copyright © 2013 Unisonic Technologies Co., Ltd
QW-R102-016.M
1A LOW-DROPOUT POSITIVE
VOLTAGE REGULATOR
DESCRIPTION
The UTC LM2940 is a low dropout regulator designed to
provide output current up to 1A with a typically 500mV dropout
Voltage and a maximum of 1V. It is capable of reducing the
ground current when the differential between the input voltage
and the output voltage outrun 3V.
UTC LM2940 offers low quiescent current (typically 30mA at 1A
and an input-output differential of 5V). Higher quiescent currents
only exist when the regulator is in the dropout mode
(VIN-VOUT≤3V).
FEATURES
* 500mV Typically Dropout at 1A
* Output Current in Excess of 1A
* Low Quiescent Current
* Reversed-Battery Protection
* Current Limit and Thermal Shutdown.
* Mirror Image Insertion Protection
1
ORDERING INFORMATION
Ordering Number
Package
Pin Assignment
Packing
Lead Free
Halogen Free
1
2
3
LM2940L-xx-AA3-R
LM2940G-xx-AA3-R
SOT-223
I
G
O
Tape Reel
LM2940L-xx-TA3-T
LM2940G-xx-TA3-T
TO-220
I
G
O
Tube
LM2940L-xx-TF3-T
LM2940G-xx-TF3-T
TO-220F
I
G
O
Tube
LM2940L-xx-TN3-R
LM2940G-xx-TN3-R
TO-252
I
G
O
Tape Reel
LM2940L-xx-TN3-T
LM2940G-xx-TN3-T
TO-252
I
G
O
Tube
LM2940L-xx-TQ2-R
LM2940G-xx-TQ2-R
TO-263
I
G
O
Tape Reel
LM2940L-xx-TQ2-T
LM2940G-xx-TQ2-T
TO-263
I
G
O
Tube
LM2940L-xx-TQ3-R
LM2940G-xx-TQ3-R
TO-263-3
I
G
O
Tape Reel
LM2940L-xx-TQ3-T
LM2940G-xx-TQ3-T
TO-263-3
I
G
O
Tube
Note: 1. xx: Output Voltage, refer to Marking Information.
2. Pin Assignment: I: VIN G: GND O:VOUT


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