GM2950 Datasheet, PDF (1/10 Pages) Gamma Microelectronics Inc. – 100mA, LOW DROPOUT VOLTAGE REGULATORS

GM2950/GM2951
100mA, LOW DROPOUT
VOLTAGE REGULATORS
Description
Features
The GM2950 and GM2951 is a low power voltage
regulator. This device is an excellent choice for use

in battery powered application such as cordless

telephone, radio control systems, and portable
computers.

The GM2950/GM2951 features very low quiescent ^
current (75µA Typ.) and very low drop output

voltage (Typ. 40mV at light load and 380mV at
100mA). This includes a tight initial tolerance of
0.5% typ., extremely good load and line regulation

of 0.05% typ., and very low output temperature

coefficient, making the GM2950/ GM2951 useful as
a low power voltage reference.

The GM2951 is available in 8-pin plastic packages. ^
The regulator output voltage may be pin-strapped _
for a -XX volt or programmed from 1.24 volt to 29
volts with external pair of resistors.
High accuracy output voltage
Guaranteed 100mA output
Very low quiescent current
Low dropout voltage
Extremely tight load and line
regulation
Very low temperature coefficient
Needs only 1μF capacitor for stability
Error flag warns of output dropout
Logic-controlled electronic shutdown
Output programmable from 1.24V to
29V
The GM2950 is offered in 3-pin TO-92 package
compatible with other fixed regulator.
Applications
 Battery powered systems
 Cordless telephones
 Radio control systems
 Portable/Palm top/Notebook computers
 Portable consumer equipments
 Portable Instruments
 Automotive electronics
 SMPS Post regulator
 Voltage Reference
Typical Application Circuit
V_OUT
Shutdown
n
Error Output
GND
COUT
3.3μF 100K
GM2951-x.x
1 _VOUT
VIN ⁸
2 _SENSE
FB ⁷
3 _SD
VTAP ⁶
4 _{GND ERROR} ⁵
V_IN
CIN
GND
1