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DESCRIPTION

The TK112xxA is a low dropout linear regulator with a built in electronic switch. The internal switch can be controlled by TTL or CMOS logic levels. The device is in the ON state when the control pin is pulled to a logic high level. An external capacitor can be connected to the noise bypass pin to lower the output noise level to 30 μVrms.

FEATURES

■ High Voltage Precision at ±2.4

■ Active High On/Off Control

■ Very Low Dropout Voltage 80 mV at 30 mA

■ Very Low Noise

■ Very Small SOT-23L or SOT-89-5 Surface Mount Packages

■ Internal Thermal Shutdown

■ Short Circuit Protection

APPLICATIONS

■ Battery Powered Systems

■ Cellular Telephones

■ Pagers

■ Personal Communications Equipment

■ Portable Instrumentation

■ Portable Consumer Equipment

■ Radio Control Systems

■ Toys

■ Low Voltage Systems