ISSUED DATE :2006/01/26 REVISED DATE :
GT2133
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 GT2133 series of positive, linear regulators feature low quiescent current (30 A typ.) with low dropout voltage, making them ideal for battery applications. The space-saving SOT-26 package is attractive for “Pocket” and “Hand Held” applications. This rugged device has both Thermal Shutdown, and Current Fold-back to prevent device failure under the “Worst” of operating conditions. An additional feature is a “Power Good” detector, which pulls low when the output is out of regulation. In applications requiring a low noise, regulated supply, place a 1000pF capacitor between Bypass and ground. The GT2133 is stable with an output capacitance of 2.2 F or greater.
Features & Low Dropout Voltage Very
Functional Block Diagram
Applications & Battery Powered Widgets
&Instrumentation &Wireless Devices &PC Peripherals &Portable Electronics &Cordless Phones &Electronic Scales
&Guaranteed 300mA output &Over-Temperature Shutdown &Current Limiting &Short Circuit Current Fold-back &Typical Accurate± 1.5% &Noise Reduction Bypass Capacitor &Power-saving Shutdown Mode &Power Good Detector &Factory Pre-set Output Voltages &Low Temperature coefficient
Package Dimensions
REF. A B C D E F
Millimeter Min. Max. 2.70 3.10 2.60 3.00 1.40 1.80 0.30 0.55 0 0.10 0° 10°
REF. G H I J K L
Dimensions Millimeter 1.90 REF. 1.20 REF. 0.12 REF. 0.37 REF. 0.60 REF. 0.95 REF.
Typical Application Circuit
1/7
ISSUED DATE :2006/01/26 REVISED DATE :
Absolute Maximum Ratings
Parameter
Input Max Voltage Output Current Input, Output Voltage Operating Ambient Temperature Junction Temperature Maximum Junction Temperature Thermal Resistance Power Dissipation( T=100 : ) EDS Classification
Symbol
VIN IOUT Topr Tj Tj Max ja PD
Ratings
8 PD/( VIN- VO) GND-0.3 to VIN+0.3 -40 ~ +85 -40 ~ +125 150 260 380 B
Unit
V mA V : : : : /W mW
Electrical Characteristics Ta=25 : unless otherwise noted
Parameter Output Voltage Output Current Current Limit Load Regulation Dropout Voltage Quiescent Current Ground Pin Current Line Regulation Input Voltage
Over Temperature Shutdown Over Temperature Hysterisis Vo Temperature Coefficient
Symbol VOUT (E)
(Note1)
Condition
VIN=VOUT(T)+2V, IO=1mA VIN=VOUT(T)+2V, VO>1.2 VIN=VOUT(T)+2V, VO>1.2 VIN=VOUT(T)+2V, IO=1mA to 300mA 1.2V VOUT(T) 2.0V IO=300mA 2.0V
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