M51943AGP

PR AR N I M ELI Y MITSUBISHI Dig./Ana.INTERFACE M51943AGP VOLTAGE DETECTING, SYSTEM RESETTING IC SERIES This product is under the development, therefore the DESCRIPTION technical specifications may be changed in the future. M51943A are semiconductor integrated circuits designed for detecting supply voltage and resetting all types of logic circuits PIN CONFIGURATION (TOP VIEW) such as CPUs. They find extensive applications,including battery checking circuits, level detecting circuit and waveform shaping circuit. FEATURES Few external parts GND 1 5 OUTPUT Detecting Voltage ………4.25V typ. (4.05V to 4.45V) Low threshold operating voltage (Supply voltage to keep SUB 2 low-state at low supply voltage) …0.6V(TYP.) at RL=22kΩ (GND) Wide supply voltage range ………… 2 to 17V 4 SUPPLY N.C. 3 Sudden change in power supply has minimal effect on the ICs VOLTAGE Wide application range Extra small package (SOT-25) (M51943ASL:3pin SIP,M51943AML:3pin SOP, M51943AL:5pin SIPalready Mass production) Outline SOT-25 APPLICATION Reset pulse generation for almost all logic circuits Battery checking, level detecting, waveform shaping circuits Delayed waveform generator Switching circuit to a back-up power supply DC/DC converter Over voltage protection circuit RECOMMENDED OPERATING CONDITION Supply voltage range ………… 2 to 17V BLOCK DIAGRAM SUPPLY VOLTAGE 4 25µA typ. 5 OUTPUT 1.25V 3 N.C. 2 SUB (GND) 1 GND N.C. :NO CONNECTION ( 1 / 3 ) 1998-3-5 M51943AGP N.C. :NO...