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TS2937 Datasheet(PDF) 1 Page - Taiwan Semiconductor Company, Ltd

Part No. TS2937
Description  500mA Ultra Low Dropout Fixed Positive Voltage Regulator
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Maker  TSC [Taiwan Semiconductor Company, Ltd]
Homepage  http://www.taiwansemi.com
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TS2937
1-1
2003/12 rev. B
TS2937
500mA Ultra Low Dropout Fixed Positive Voltage Regulator
Pin assignment:
1.
Input
2.
Ground
3.
Output
Low Dropout Voltage 0.6V max.
General Description
The TS2937 series of fixed-voltage monolithic micro-power voltage regulators is designed for a wide range of
applications. This device excellent choice of use in battery-power application. Furthermore, the quiescent current
increases on slightly at dropout, which prolongs battery life.
This series of fixed-voltage regulators features very low ground current (100uA Typ.) and very low drop output voltage
(Typ. 60mV at light load and 600mV at 500mA). This includes a tight initial tolerance of 1% typ., extremely good line
regulation of 0.05% typ., and very low output temperature coefficient.
This series is offered in 3-pin TO-263, TO-220, TO-252 & SOT-223 package.
Features
Dropout voltage typically 0.6V @Io=500mA
Output current up to 500mA
Output voltage trimmed before assembly
-18V Reverse peak voltage
+30V Input over voltage protection
+60V Transient peak voltage
Internal current limit
Thermal shutdown protection
Block Diagram
Ordering Information
Part No.
Operation Temp.
(Ambient)
Package
TS2937CZxx
TO-220
TS2937CMxx
TO-263
TS2937CPxx
TO-252
TS2937CWxx
-20 ~ +85
oC
SOT-223
Note: Where xx denotes voltage option, available are
12V, 10V, 8V, 5V, 3.3V and 2.5V. Contact factory
for additional voltage options.
Absolute Maximum Rating (Note 1)
Input Supply Voltage (Note 2)
Vin
-18 ~ +60
V
Operation Input Supply Voltage
Vin (operate)
26
V
Power Dissipation (Note 3)
PD
Internally Limited
W
Operating Junction Temperature Range
TJ
-25 ~ +125
oC
Storage Temperature Range
TSTG
-65 ~ +150
oC
Lead Soldering Temperature (260
oC)
TO-220 / TO-263 Package
TO-252 / SOT-223 Package
5
4
S
TO-263




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