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TJ4940

HTC Korea
Part Number TJ4940
Manufacturer HTC Korea
Description 1A Ultra Low Dropout Linear Regulator
Published Sep 17, 2013
Detailed Description 1A Ultra Low Dropout Linear Regulator FEATURES • • • • • • • • Ultra Low Dropout Voltage Compatible with low ESR MLCC as...
Datasheet PDF File TJ4940 PDF File

TJ4940
TJ4940

Overview
1A Ultra Low Dropout Linear Regulator FEATURES • • • • • • • • Ultra Low Dropout Voltage Compatible with low ESR MLCC as Input/Output Capacitor Good Line and Load Regulation Guaranteed Output Current of 1A Available in SOT-223 and TO-252 Packages Fixed Output Voltages : 1.
0V, 1.
2V, 1.
8V, 2.
5V, and 3.
3V Over-Temperature/Over-Current Protection -40 ºC to 125 ºC Junction Temperature Range TJ4940 SOT-223 3L APPLICATION • • • • • • • LCD TVs and SETTOP Boxes Battery Powered Equipments Motherboards and Graphic Cards Microprocessor Power Supplies Peripheral Cards High Efficiency Linear Regulators Battery Chargers TO252 3L PKG ORDERING INFORMATION Device Package SOT-223 3L TO-252 3L DESCRIPTION The TJ4940 series of high performance ultra-low dropout linear regulators operates from 2.
5V to 6V input supply and provides ultra-low dropout voltage, high output current with low ground current.
Wide range of preset output voltage options are available.
These ultra-low dropout linear regulators respond fast to step changes in load which makes them suitable for low voltage micro-processor applications.
The TJ4940 is developed on a CMOS process technology which allows low quiescent current operation independent of output load current.
This CMOS process also allows the TJ4940 to operate under extremely low dropout conditions.
TJ4940xS-X.
X TJ4940GRS-X.
X X.
X = Output Voltage = 1.
0, 1.
2, 1.
8, 2.
5, and 3.
3 Absolute Maximum Ratings CHARACTERISTIC Input Supply Voltage (Survival) Maximum Output Current Lead Temperature (Soldering, 5 sec) Storage Temperature Range Operating Junction Temperature Range SYMBOL VIN IMAX TSOL TSTG TJOPR MIN.
-65 -40 MAX.
6.
5 1 260 150 125 UNIT V A ºC ºC ºC * Calculated from package in still air, mounted to 2.
6mm X 3.
5mm(minimum foot print) 2 layer PCB without thermal vias per JESD51 standards.
Jul.
2011 – Preliminary 1/8 HTC Free Datasheet http://www.
datasheet4u.
com/ 1A Ultra Low Dropout Linear Regulator Ordering Information VOUT 1.
0V 1.
2V 1.
8V ...


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