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TK11136SIL Datasheet(PDF) 1 Page - TOKO, Inc |
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TK11136SIL Datasheet(HTML) 1 Page - TOKO, Inc |
1 / 16 page March 1999 TOKO, Inc. Page 1 TK111xxS FEATURES s High Voltage Precision at ± 2.0% or ± 60 mV s Active High On/Off Control s Very Low Dropout Voltage (85 mV at 30 mA) s Very Low Noise s Miniature Package (SOT-23-5) s Internal Thermal Shutdown s Short Circuit Protection s Excellent Ripple Rejection (70 dB @ 1 kHz) s Reverse Bias 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 BLOCK DIAGRAM TK111xxS DESCRIPTION The TK111xxS 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. An internal PNP pass transistor is used to achieve a low dropout voltage of 85 mV (typ.) at 30 mA load current. The TK111xxS has a very low quiescent current of 140 µA (typ.) at no load . The standby current is 100 nA maximum. The internal thermal shut down circuitry limits the junction temperature to below 150 °C. The load current is internally monitored and the device will shut down in the presence of a short circuit or overcurrent condition at the output. The TK111xxS is available in a miniature SOT-23-5 surface mount package. TK111 S L ORDERING INFORMATION TAPE/REEL CODE L: Tape Left PACKAGE CODE S: SOT-23-5 Tape/Reel Code Voltage Code VOLTAGE CODE 20 = 2.0 V 32 = 3.2 V 43 = 4.3 V 21 = 2.1 V 33 = 3.3 V 44 = 4.4 V 22 = 2.2 V 34 = 3.4 V 45 = 4.5 V 23 = 2.3 V 35 = 3.5 V 46 = 4.6 V 24 = 2.4 V 36 = 3.6 V 47 = 4.7 V 25 = 2.5 V 37 = 3.7 V 48 = 4.8 V 27 = 2.7 V 38 = 3.8 V 49 = 4.9 V 28 = 2.8 V 39 = 3.9 V 50 = 5.0 V 29 = 2.9 V 40 = 4.0 V 30 = 3.0 V 41 = 4.1 V 31 = 3.1 V 42 = 4.2 V Package Code Temp. Code Note 1: 2.0 to 2.3 V available in C temperature code (-30 to +80 °C) only TEMP. CODE C: -30 to +80 °C I: -40 to +85 °C 20P GND CONTROL VOUT VIN NOISE BYPASS NOISE BYPASS VIN VOUT THERMAL PROTECTION BANDGAP REFERENCE CONTROL GND 5 VOLTAGE REGULATOR WITH ON/OFF SWITCH |
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