TK11245MBX PDF Datasheet
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Description
This is VOLTAGE REGULATOR WITH ON/OFF SWITCH. TK112xxB
VOLTAGE REGULATOR WITH ON, OFF SWITCH FEATURES
High Voltage Precision at ± 2.0% Active High On, Off Control Very Low Dropout Voltage 80 mV at 30 mA Very Low Noise Very Small SOT-23L or SOT-89 Surface Mount Packages s Internal Thermal Shutdown s Short Circuit Protection s s s s s
APPLICATIONS
s s s s s s s s s Battery Powered Systems Cellular Telephones Pagers Personal Communications Equipment Portable Instrumentation Portable Consumer Equipment Radio Control Systems Toys Low Voltage Systems
DESCRIPTION
The TK112xxB is a low dropout linear regulator with a builtin 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 Vrms. An internal PNP pass transistor is used to achieve a low dropout voltage of 80 mV (typ.) at 30 mA load current. The TK112xxB has a very low.