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TK11355BUCL Datasheet(PDF) 1 Page - TOKO, Inc |
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TK11355BUCL Datasheet(HTML) 1 Page - TOKO, Inc |
1 / 13 page May, 1997 TOKO, Inc. Page 1 TK113xxB VOLTAGE REGULATOR WITH ON/OFF SWITCH FEATURES s High Voltage Precision at ± 2.0% s Active Low On/Off Control s Very Low Dropout Voltage 80 mV at 30 mA s Very Low Noise s Very Small SOT-23L or SOT-89-5 Surface Mount Packages s Internal Thermal Shutdown s Short Circuit Protection APPLICATIONS s Battery Powered Systems s Cellular Telephones s Pagers s Personal Communications Equipment s Portable Instrumentation s Portable Consumer Equipment s Radio Control Systems s Toys s Low Voltage Systems TK113 B Voltage Code Package Code Tape/Reel Code PACKAGE CODE M: SOT-23L U: SOT-89-5 ORDERING INFORMATION VOLTAGE CODE 20 = 2.0 V 21 = 2.1 V 22 = 2.2 V 23 = 2.3 V 24 = 2.4 V 25 = 2.5 V 26 = 2.6 V 27 = 2.7 V 28 = 2.8 V 29 = 2.9 V 30 = 3.0 V 31 = 3.1 V 32 = 3.2 V 33 = 3.3 V 34 = 3.4 V 35 = 3.5 V 36 = 3.6 V 37 = 3.7 V 38 = 3.8 V 39 = 3.9 V 40 = 4.0 V 41 = 4.1 V 42 = 4.2 V 43 = 4.3 V 44 = 4.4 V 45 = 4.5 V 46 = 4.6 V 47 = 4.7 V 48 = 4.8 V 49 = 4.9 V 50 = 5.0 V 55 = 5.5 V 60 = 6.0 V 80 = 8.0 V C TAPE/REEL CODE L : Tape Left (SOT-23L) B : Tape Bottom (SOT-89-5) BLOCK DIAGRAM S S S S S S S S S S VOUT + – BANDGAP REFERENCE THERMAL PROTECTION – + S S S VIN CONTROL S S GND S S S S NOISE BYPASS TK113XXB 20Q 1 3 CONTROL GND 6 4 VIN V OUT 2 5 GND NOISE BYPASS 1 3 6 4 2 5 VOUT GND NOISE BYPASS GND CONTROL VIN DESCRIPTION The TK113xxB is a low dropout linear regulator with a built- in electronic switch. The device is in the ON state when the control pin is pulled to a low level. An external capacitor can be connected to the noise bypass pin to lower the output noise level to 30 µVrms. An internal PNP pass transistor is used to achieve a low dropout voltage of 80 mV (typ.) at 30 mA load current. The TK113xxB has a very low quiescent current of 170 µA at no load and 1 mA with a 30 mA load. The standby current is typically 100 nA. The internal thermal shutdown circuitry limits the junction temperature to below 150 °C. The load current is internally monitored and the device will shutdown in the presence of a short circuit or overcurrent condition at the output. The TK113xxB is available in either 6 pin SOT-23L or 5 pin SOT-89-5 surface mount packages. |
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