LM2954-33-AA3-B UTC [Unisonic Technologies], LM2954-33-AA3-B Datasheet

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LM2954-33-AA3-B

Manufacturer Part Number
LM2954-33-AA3-B
Description
300 mA LOW-DROPOUT VOLTAGE REGULATOR
Manufacturer
UTC [Unisonic Technologies]
Datasheet
LM2954
300 mA LOW-DROPOUT
VOLTAGE REGULATOR
with low dropout voltage, and low quiescent current. It includes
many features that suitable for different applications with TO-92,
DIP-8, SOP-8 and SOT-223 packages.
*High accuracy fixed output.
*Output voltage programmable and Logic controlled shutdown and
*Extremely low quiescent current and dropout voltage.
*Extremely tight load and line regulation.
*Current and thermal limiting.
*Very low temperature coefficient.
Note: 1. Pin assignment: I:Vin O:Vout G:Ground
www.unisonic.com.tw
Copyright © 2005 Unisonic Technologies Co., Ltd
error flag available for DIP and SOP package.
The UTC LM2954 is a monolithic integrated voltage regulator
LM2954-xx-AA3-R
LM2954-xx-D08-T
LM2954-xx-S08-R
LM2954-xx-S08-T
LM2954-xx-T92-B
LM2954-xx-T92-K
DESCRIPTION
FEATURES
LM2954L-xx-AA3-R
ORDERING INFORMATION
2.xx: Output Voltage
Normal
UNISONIC TECHNOLOGIES CO., LTD
Order Number
LM2954L-xx-AA3-R
LM2954L-xx-D08-T
LM2954L-xx-S08-R
LM2954L-xx-S08-T
LM2954L-xx-T92-B
LM2954L-xx-T92-K
(1)Packing Type
(2)Package Type
(3)Output Voltage Code
(4)Lead Plating
Lead Free Plating
SOT-223
Package
SOP-8
SOP-8
(1) B: Tape Box, K: Bulk, R: Tape Reel , T: Tube
(2) AA3: SOT-223, D08: DIP-08, S08: SOP-8,
(3) xx: 3.3V:33, 5.0V:50, ADJ:AD
(4) L: Lead Free Plating , Blank: Pb/Sn
TO-92
TO-92
DIP-8
T 92: TO-92
Pin assignment
LINEAR INTEGRATED CIRCUIT
Configurations
O
O
1
I
refer to Pin
*Pb-free plating product number: LM2954L
G
G
G
2
SOT-223
O
3
I
I
SOP- 8
1
Tape Reel
Tape Reel
Tape Box
Packing
Tube
Tube
Bulk
1
QW-R102-002.E
TO-92
DIP-8
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LM2954-33-AA3-B Summary of contents

Page 1

... UNISONIC TECHNOLOGIES CO., LTD LM2954 300 mA LOW-DROPOUT VOLTAGE REGULATOR DESCRIPTION The UTC LM2954 is a monolithic integrated voltage regulator with low dropout voltage, and low quiescent current. It includes many features that suitable for different applications with TO-92, DIP-8, SOP-8 and SOT-223 packages. FEATURES *High accuracy fixed output. ...

Page 2

... SOP-8/DIP UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw LINEAR INTEGRATED CIRCUIT MARKING LM2954 VOLTAGE CODE UTC LM2954 VOLTAGE CODE 1 UTC 2954 LEAD PLATING UTC LM 2954 LEAD PLATING DATE CODE LEAD PLATING DATA CODE DATA CODE ...

Page 3

... UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw UTC LM2954 OUTPUT GND TO-92 Plastic Package Bottom View UTC LM2954 INPUT GND OUTPUT SOT-223 Package 1 8 OUTPUT SENSE 2 7 UTC LM2954 3 6 GND 4 5 SOP-8 or DIP-8 Package LINEAR INTEGRATED CIRCUIT INPUT INPUT FEEDBACK 5V TAP ERROR QW-R102-002 ...

Page 4

... LM2954 BLOCK DIAGRAM FEEDBACK UNREGULATED DC SHUT DOWN FROM CMOS OR TTL UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw LINEAR INTEGRATED CIRCUIT INPUT OUTPUT 182kΩ ERROR AMPLIFIER 60mV 60kΩ ERROR DETECTION 1.23 COMPARATOR REF 5V 150mA MAX. SENSE 5V TAP 330KΩ 1.5 µF ERROR TO CMOS OR TTL GND QW-R102-002 ...

Page 5

... Output Voltage Temperature Coefficient Line Regulation Load Regulation Dropout Voltage Ground Current Dropout Ground Current Current Limit Output Noise (10Hz to 100KHz) LM2954-ADJ For 8-Pin Version Only Reference Voltage Reference Voltage Feedback Pin Bias Current Reference Voltage Temperature Coefficient Feedback Bias Current Temperature Coefficient UNISONIC TECHNOLOGIES CO ...

Page 6

... LM2954 ELECTRICAL CHARACTERISTICS(Cont.) PARAMETER Error Comparator Output Leakage Current Output Low Voltage Upper Threshold Voltage Lower Threshold Voltage Hysteresis Shutdown Input Input Logic Voltage Shutdown Pin Input Current Regulator Output Current Shutdown Note 1: Additional conditions for 8-pin versions are feedback tied to 5V Tap an Output tied to Output Sense ≦ ...

Page 7

... LINEAR INTEGRATED CIRCUIT (10A Low Dropout Regulator +0.5V OUT IN 470Ω 10kΩ 5 ERROR UTC LM2954 GND V OUT 47Ω UTC LM2954-3.3 UTC LM2954-5.0 0.05Ω UTC D65H0 + OUT 100μF 4.7 μF 1% OUT V OUT 1 µF QW-R102-002 ...

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