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TS2940 Datasheet(PDF) 1 Page - Taiwan Semiconductor Company, Ltd

Part No. TS2940
Description  1A 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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TS2940
1-6
2003/12 rev. B
TS2940
1A Ultra Low Dropout Fixed Positive Voltage Regulator
Low Dropout Voltage 0.6V (typ.)
General Description
The TS2940 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 1A). 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=1A
Output current up to 1A
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.
Package
TS2940CZxx
TO-220
TS2940CMxx
-40 ~ +125
oC
TO-263
TS2940CPxx
TO-252
TS2940CWxx
-40 ~ +85
oC
SOT-223
Note: Where xx denotes voltage option, available are
5.0V, 3.3V, 2.5V and 1.8V. 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)
30V
V
Power Dissipation (Note 3)
PD
Internally Limited
W
Operating Junction Temperature Range
TJ
-40 ~ +125
oC
Storage Temperature Range
TSTG
-65 ~ +150
oC
Lead Soldering Temperature (260
oC)
TO-220 TO-263 Package
TO-252 / SOT-223Package
5
4
S
TO-263
Pin assignment:
1.
Input
2.
Ground
3.
Output




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