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LM2940-50-AA3-T 数据表(PDF) 1 Page - Unisonic Technologies

部件名 LM2940-50-AA3-T
功能描述  1A LOW-DROPOUT POSITIVE VOLTAGE REGULATOR
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

LM2940-50-AA3-T 数据表(HTML) 1 Page - Unisonic Technologies

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UNISONIC TECHNOLOGIES CO., LTD
LM2940
LINEAR INTEGRATED CIRCUIT
www.unisonic.com.tw
1 of 11
Copyright © 2005 Unisonic Technologies Co., Ltd
QW-R102-016.E
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
SOT-223
1
TO-220
1
1
TO-263-3
1
TO-252
1
TO-263
*Pb-free plating product number: LM2940L
ORDERING INFORMATION
Order Number
Pin Assignment
Normal
Lead Free Plating
Package
1
2
3
Packing
LM2940-xx-AA3- R
LM2940L-xx-AA3-R
SOT-223
I
G
O
Tape Reel
LM2940-xx-TA3-T
LM2940L-xx-TA3-T
TO-220
I
G
O
Tube
LM2940-xx-TN3-R
LM2940L-xx-TN3-R
TO-252
I
G
O
Tape Reel
LM2940-xx-TN3-T
LM2940L-xx-TN3-T
TO-252
I
G
O
Tube
LM2940-xx-TQ2-R
LM2940L-xx-TQ2-R
TO-263
I
G
O
Tape Reel
LM2940-xx-TQ2-T
LM2940L-xx-TQ2-T
TO-263
I
G
O
Tube
LM2940-xx-TQ3-R
LM2940L-xx-TQ3-R
TO-263-3
I
G
O
Tape Reel
LM2940-xx-TQ3-T
LM2940L-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
LM2940L-xx-AA3-R
(1)Packing Type
(2)Package Type
(3)Output Voltage Code
(4)Lead Plating
(1) R: Tape Reel, T: Tube
(2) AA3: SOT-223, TA3: TO-220, TN3: TO-252,
TQ 2: TO-263, TQ3: TO-263-3
(4) L: Lead Free Plating, Blank: Pb/Sn
(3) xx: refer to Marking Information


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