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LM1084R-3.3 View Datasheet(PDF) - HTC Korea

Part NameLM1084R-3.3 HTC
HTC Korea HTC
Description5A L.D.O. VOLTAGE REGULATOR (Adjustable & Fixed)
LM1084R-3.3 Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
5A L.D.O. VOLTAGE REGULATOR (Adjustable & Fixed)
LM1084
FEATURES
Output Current of 5A
Fast Transient Response
0.04% Line Regulation
0.2% Load Regulation
Internal Thermal and Current Limiting
Adjustable or Fixed Output Voltage(1.5V, 1.8V, 2.5V, 3.3V, 5.0V)
Surface Mount Package TO-263 3LD and TO-252 3L
100% Thermal Limit Burn-in
Low Dropout Voltage 1.5V at 5A Output Current
Moisture Sensitivity Level 3
TO-263 PKG
TO-252 PKG
APPLICATIONS
High Efficiency Linear Regulators / Power Supply
High Efficiency "Green" Computer Systems
Constant Current Regulators
Portable Instrumentation
SMPS Post-Regulator
Adjustable Power Supplies
Powering VGA & Sound Card
1. ADJ / GND 2. OUTPUT 3. INPUT
* Heatsink surface connected to Pin 2.
ORDERING INFORMATION
Device
Package
LM1084R-X.X
TO-263 3LD
LM1084RS-X.X
TO-252 3LD
(X.X=VOUT=1.5V, 1.8V, 2.5V, 3.3V, 5.0V, ADJ)
DESCRIPTION
The LM1084 series of positive adjustable and fixed regulators are designed to provide 5A with high efficient.
All internal circuitry is designed to operate down to 1.3V input to output differential.
On-chip trimming adjusts the reference voltage to 1%.
It's low dropout voltage and fast transient response make it ideal for low voltage microprocessor applications.
Internal current and thermal limiting provides protection against any overload condition that would create
excessive junction temperature.
TEST & TYPICAL APPLICATION CIRCUIT
LM1084-3.3V
LM1084-ADJ
Note
(1) C1 needed if device is far away from filter capacitors.
(2) C2 minimum value required for stability.
VREF=VOUT-VADJ=1.25V(Typ.)
IADJ=55(Typ.)
VOUT = VREF x (1+RF2/RF1) + IADJ x RF2
Nov. 2010 - Rev. 1.3.
-1-
HTC
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