LM1589 HTC Korea TAEJIN Technology Co., LM1589 Datasheet

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LM1589

Manufacturer Part Number
LM1589
Description
2.7a, 1.2v L.d.o. Voltage Regulator
Manufacturer
HTC Korea TAEJIN Technology Co.
Datasheet
FEATURES
● Low Dropout Voltage 1.3V at 2.7A Output Current
● Fast Transient Response
● 0.2% Line Regulation
● Load Regulation : 0.15% typical
● Internal Thermal and Current Limiting
● Surface Mount Package TO-220 & TO-263 (D2 Package)
● On-chip thermal Limiting
● Moisture Sensitivity Level 3
APPLICATIONS
● Battery Charger
● Low voltage logic 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
The LM1589 is a low dropout three-terminal regulator with 2.7A output current capability.
This device has been optimized for V TT bus termination, where transient response and mini-mum
input voltage are critical.
The LM1589 offers fixed 1.2V with 2.7A current capability for a GTL+ bus V TT termination.
Current limit is trimmed to ensure specified output current and controlled short-circuit current. On-chip
thermal limiting pro-vides protection against any combination of overload and ambient temperature
that would create excessive junction temperatures.
The LM1589 is available in the industry-standard TO-220, TO-263 power packages.
TEST & TYPICAL APPLICATION CIRCUIT
2008 - Ver 1.0
2.7A, 1.2V L.D.O. VOLTAGE REGULATOR
V
IN
= 2.7 ~ 7
− 1 −
ORDERING INFORMATION
TO-220 PKG
TO-263 PKG
1. Adj/Gnd 2. Output 3. Input
LM1589R-X.X
LM1589T-X.X
Device Name
TO263 (D2)
LM1589
Package
TO-220
HTC

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LM1589 Summary of contents

Page 1

... This device has been optimized for V TT bus termination, where transient response and mini-mum input voltage are critical. The LM1589 offers fixed 1.2V with 2.7A current capability for a GTL+ bus V TT termination. Current limit is trimmed to ensure specified output current and controlled short-circuit current. On-chip thermal limiting pro-vides protection against any combination of overload and ambient temperature that would create excessive junction temperatures ...

Page 2

... Power dissipation is determined byinput/output differential and the output currrent. Guaranteed maximum output power will not be available over the full input/output voltage range. SYMBOL Vin Topr Tstg Tjc Tja Tsol Imax − 2 − LM1589 VALUE UNIT 7 V ℃ -10~125 ℃ -65~150 3 C/W 60 C/W ℃ ...

Page 3

... L.D.O. VOLTAGE REGULATOR TYPICAL PERFORMANCE CHARACTERISTICS − 3 − LM1589 HTC ...

Page 4

... L.D.O. VOLTAGE REGULATOR TYPICAL PERFORMANCE CHARACTERISTICS − 4 − LM1589 HTC ...

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