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TS2950CT-5.0

Description
150mA Ultra Low Dropout Positive Voltage Regulator
File Size131KB,6 Pages
ManufacturerTaiwan Semiconductor
Websitehttp://www.taiwansemi.com/
Download Datasheet View All

TS2950CT-5.0 Overview

150mA Ultra Low Dropout Positive Voltage Regulator

TS2950/TS2951 series
150mA Ultra Low Dropout Positive Voltage Regulator
Pin assignment
TO-92
1. Output
2. Ground
3. Input
Pin assignment
SOP-8
1. Output
2. Sense
3. Shutdown
4. Ground
5. Error
6. Voltage tap
7. Feedback
8. Input
Input Voltage Range up to 30V
Output Current up to 150mA
Low Drop Out Voltage 0.4V
General Description
The TS2950/A & TS951/A are low power voltage regulators. These devices are excellent choice for use in
battery-powered applications such as cordless telephone, radio control systems, and portable computers.
The TS2950/A & TS2951/A is features very low quiescent current (75uA Typ.) and very low drop output voltage (Typ.
40uV at light load and 380 mV at 100 mA). This includes a tight initial tolerance of 0.5% typ.(A version), extremely good
load and line regulation 0.05% typ. and very low output temperature coefficient, making the TS2950/A & TS2951/A useful
as a low-power voltage reference.
TS2951/A have other key additional feature of unregulated input voltage transient of -20V below ground (reverse battery).
The error flag output feature is used as power-on reset for warn of a low output voltage, due to following batteries on
input. The logic-compatible shutdown input which enable the regulator to be switched on/off. The regulator output voltage
may be pin-strapped for a 5.0, 3.3 & 3V of programmed from 1.24V to 29V with external pair of resistors. Using of as
design, processing and testing techniques make TS2950/A & TS951/A superior over similar products.
The TS2950/A is offered in 3-pin TO-92 package, The TS2951/A is available in 8-pin plastic SOP-8 package.
Features
Output voltage available in 5V, 3.3V & 3V
Extremely low quiescent current
Low dropout voltage
Extremely tight load and line regulation
Very low temperature coefficient
Need only 1uF for stability
Unregulated DC input can withstand -20V reverse
battery and +60V positive transients
Use as Regulator or Reference
Stable with low-ESR output capacitors
Current and thermal limiting
Direct replacement for LP2950 & LP2951 sockets
TS2951 VERSIONS ONLY
Error Flag warns of output dropout
Logic-Controlled electronic shutdown
Additional voltage tap
Output voltage sense
Output programmable from 1.24 to 29V
Application
Battery powered systems
Portable instrumentation
Avionics
Automotive Electronics
SMPS Post-Regulator
Voltage Reference
Portable/Palm top / Notebook computers
Portable consumer equipment
Radio control system
Ordering Information
Part No.
TS2950CT-xx
TS2951CS-xx
TS2950ACT-xx
TS2951ACS-xx
-20 ~ +85
o
C
Operating Temp.
-40 ~ +85 C
o
Package
TO-92
SOP-8
TO-92
SOP-8
Note: Where xx denotes voltage option, available are
5.0V, 3.3V and 3V. Contact factory for additional
voltage options.
TS2950-51 series
1-6
2003/12 rev. B
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