TS2940CM Taiwan Semiconductor (TSC), TS2940CM Datasheet

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TS2940CM

Manufacturer Part Number
TS2940CM
Description
1A Ultra Low Dropout Fixed Positive Voltage Regulator
Manufacturer
Taiwan Semiconductor (TSC)
Datasheet

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Part Number:
TS2940CM50
Manufacturer:
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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
Block Diagram
Absolute Maximum Rating
Input Supply Voltage (Note 2)
Operation Input Supply Voltage
Power Dissipation (Note 3)
Operating Junction Temperature Range
Storage Temperature Range
Lead Soldering Temperature (260
TS2940
Dropout voltage typically 0.6V @Io=1A
Output current up to 1A
Output voltage trimmed before assembly
-18V Reverse peak voltage
TO-263
TO-252 / SOT-223Package
TO-220 TO-263 Package
1A Ultra Low Dropout Fixed Positive Voltage Regulator
o
C)
Pin assignment:
1.
2.
3.
(Note 1)
Input
Ground
Output
1-6
Vin (operate)
T
Vin
P
T
STG
D
J
TS2940
Ordering Information
Note: Where xx denotes voltage option, available are
TS2940CZxx
TS2940CMxx
TS2940CPxx
TS2940CWxx
5.0V, 3.3V, 2.5V and 1.8V. Contact factory for
additional voltage options.
+30V Input over voltage protection
+60V Transient peak voltage
Internal current limit
Thermal shutdown protection
Low Dropout Voltage 0.6V (typ.)
Part No.
Internally Limited
-40 ~ +125
-65 ~ +150
-18 ~ +60
30V
5
4
Operation Temp.
-40 ~ +125
2003/12 rev. B
-40 ~ +85
o
o
C
C
TO-220
TO-263
TO-252
SOT-223
Package
o
o
W
V
V
S
C
C

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TS2940CM Summary of contents

Page 1

... Ground Output +30V Input over voltage protection +60V Transient peak voltage Internal current limit Thermal shutdown protection Ordering Information Part No. TS2940CZxx TS2940CMxx TS2940CPxx TS2940CWxx Note: Where xx denotes voltage option, available are 5.0V, 3.3V, 2.5V and 1.8V. Contact factory for additional voltage options. Vin Vin (operate) P ...

Page 2

Electrical Characteristics Vin = Vout + 5V 5mA 10uF Parameter Output Voltage Output Voltage Input Supply Voltage Output Voltage Temperature Coefficient Line Regulation Load Regulation Dropout Voltage (Note 4) Quiescent Current ...

Page 3

Application Information The TS2940 series is a high performance with low dropout voltage regulator suitable for moderate to high current and voltage regulator application. Its 600mA(typ) dropout voltage at full load and over temperature makes it especially valuable in battery ...

Page 4

Application Information (continued) The next parameter which must be calculated is the maximum allowable temperature rise, T calculated by the using to formula: T (max (max) – T (max Where: T (max) is the maximum ...

Page 5

TO-220 Mechanical Drawing TO-263 Mechanical Drawing TS2940 K L MILLIMETERS DIM MIN A 10.000 P B 3.240 C 2.440 0.381 F 2.345 M ...

Page 6

TO-252 Mechanical Drawing SOT-223 Mechanical Drawing TS2940 E MILLIMETERS F DIM MIN A 6.570 B 9.250 I C 0.550 D 2.560 E 2.300 F 0.490 G 1.460 ...

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