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LM1086RS-ADJ View Datasheet(PDF) - HTC Korea

Part Name
Description
Manufacturer
LM1086RS-ADJ Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
1.5A L.D.O. VOLTAGE REGULATOR (Adjustable & Fixed) LM1086
FEATURES
● Output Current of 1.5A
● 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 TO252-3LD & TO-263-3LD
● 100% Thermal Limit Burn-in
● Low Dropout Voltage 1.5V at 1.5A Output Current
● Moisture Sensitivity Level 3
TO-263 PKG
1
3
TO-252 PKG
APPLICATIONS
● Battery Charger
● Adjustable Power Supplies
● Constant Current Regulators
● Portable Instrumentation
● High Efficiency Linear Power Supplies
● High Efficiency "Green" Computer Systems
● SMPS Post-Regulator
● Power PC Supplies
● Powering VGA & Sound Card
DESCRIPTION
1
3
1. Adj/Gnd 2. Output 3. Input
ORDERING INFORMATION
Device Name
Package
LM1086R-XX
TO263-3LD
LM1086RS-XX
TO252-3LD
(XX=Vout=1.5V, 1.8V, 2.5V, 3.3V, 5.0V,
Adjustable)
The LM1086 is a low dropout three terminal regulators with 1.5A output current capability.
The output voltage is adjustable with the use of a resistor divider. Dropout is guaranteed at a maximum
of 500 mV at maximum output current.
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
LM1086
3.3V
LM1086
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.)
VOUT=VREFx(1+RF2/RF1)+IADJxRF2
IADJ=55㎂(Typ.)
Apr. 2009 - Rev1.1
-1 -
HTC
 

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