ISSUED DATE :2004/11/05 REVISED DATE :
GL2146
Description
C M O S P o s i t i v e Vo l t a g e R eg u l a t o r
The GL2146 series of positive, linear regulators feature low quiescent current (30 A typ.) with low dropout voltage, making them ideal for battery applications. These rugged devices have both Thermal Shutdown, and Current Fold-back to prevent device failure under the “Worst” of operating conditions. The GL2146 is stable with an output capacitance of 2.2 F or greater.
Features & Low Dropout Voltage Very
Block Diagram
Applications & Battery Powered Widgets
&Instrumentation &Wireless Devices &Cordless Phones &PC Peripherals &Portable Electronics &Electronic Scales
&Guaranteed 600mA output &Over-Temperature Shutdown &Current Limiting &Short Circuit Current Fold-back &Factory Pre-set Output Voltage &Highly Accurate± 1.5% & Temperature Coefficient ‡
Package Dimensions SOT-223
REF. A C D E I H
Millimeter Min. Max. 6.70 7.30 2.90 3.10 0.02 0.10 0C 10 C 0.60 0.80 0.25 0.35
REF. B J 1 2 3 4 5
Millimeter Min. Max. 13 T YP. C 2.30 REF. 6.30 6.70 6.70 6.30 3.30 3.70 3.30 3.70 1.40 1.80
Typical Application Circuit
1/4
ISSUED DATE :2004/11/05 REVISED DATE :
Absolute Maximum Ratings
Parameter
Input Max Voltage Output Current Output Voltage Supply Voltage Operating Ambient Temperature Junction Temperature Maximum Junction Temperature Thermal Resistance Power Dissipation( T=100 : ) EDS Classification
Symbol
VIN IOUT VOUT VIN Topr Tj Tj Max jc ja PD
Ratings
8 1 1.3~3.8 4.5~5.5 -40 ~ +85 -40 ~ +125 150 15 160 625 B
Unit
V A V V :
: /W : /W mW
Electrical Characteristics Ta=25
Parameter Output Voltage Output Current Current Limit Load Regulation Dropout Voltage Symbol VOUT (E)
(Note1)
unless otherwise noted
Condition
VIN=VOUT(T)+1V, IO=1mA
Min
-1.5% 600 600 1.4V -0.2
TYP
VOUT(T)
(Note2)
Max
1.5% 1 1900 1400 800 600 50 0.2 0.15 0.1 0.4 7 600 -
Unit
V mA mA %
IO ILIM REGLOAD VDROPOUT
VIN=VOUT(T)+2V, VOUT VOUT(E)*0.96 VO>1.2V VIN=VOUT(T)+2V, IO=1mA to 600mA 1.3V VOUT(T) 1.4V IO=600mA 1.4V
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