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TK11932

TOKO
Part Number TK11932
Manufacturer TOKO
Description VOLTAGE REGULATOR WITH RESET OUTPUT
Published Apr 16, 2005
Detailed Description TK119xx VOLTAGE REGULATOR WITH RESET OUTPUT FEATURES s s s s s s s s s Very Low Dropout Voltage Reset Output for Micropr...
Datasheet PDF File TK11932 PDF File

TK11932
TK11932

Overview
TK119xx VOLTAGE REGULATOR WITH RESET OUTPUT FEATURES s s s s s s s s s Very Low Dropout Voltage Reset Output for Microprocessor Very Low Quiescent Current (No Load) Internal Thermal/Overload Shutdown Low Noise Voltage Input and Output Voltage Sense ± 2.
5 % Output Voltage Accuracy CMOS or TTL On/Off Control High Speed On/Off Transient (50 µs typ.
) FEATURES 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 TK119xx series are low power, linear regulators with built-in electronic switches.
Built-in voltage comparators provide a reset logic ”low” level whenever the input or output voltage falls outside internally preset limits.
The internal electronic switch can be controlled by CMOS or TLL levels.
The device is in the “off” state when the control pin is biased “high”.
An internal PNP pass-transistor is used in order to achieve low dropout voltage (typically 200 mV at 50 mA load current).
The device has very low quiescent current (130 µA) in the “on” mode with no load and 2 mA with 30 mA load.
The quiescent current is typically 4 mA at 60 mA load.
The current consumption in the “off” mode is 65 µA.
An internal thermal shutdown circuit limits the junction temperature to below 150 oC.
The load current is internally monitored and the device will shut down (no load current) in the presence of a short circuit at the output.
The output noise is very low at 100 dB down from VOUT when an external noise bypass capacitor is used.
The TK119xx is available in a miniature SOT-23L surface mount package.
VIN TK119xx NOISE BYPASS 01 S VIN GND CONTROL RESET OUTPUT VOUT BLOCK DIAGRAM VOUT RESET OUTPUT ORDERING INFORMATION CONTROL SHUT DOWN THERMAL PROTECTION ERROR DETECTION TK119 M Tape/Reel Code Voltage Code BANDGAP REFERENCE VOLTAGE CODE 22 = 2.
25 V 27 = 2.
75 V 30 = 3.
00 V 32 = 3.
25 V 35 = 2.
5 V 40 = 4.
...


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