TSM1121

www.DataSheet4U.com TSM1121 3.3V 5V 12V HOUSEKEEPING IC s s s s s s s s s s s Over voltage protection for 3.3V 5V and 12V without external components Under voltage protection for 3.3V 5V and 12V without external components Over voltage protection for -12V or -5V with external components Externally adjustable under voltage blanking during power up Power good input/output Externally adjustable pg delay Fault output Remote output Externally adjustable remote delay Precision voltage reference 2kV ESD protection N DIP14 (Plastic Package) D SO14 (Plastic Micropackage) PIN CONNECTIONS (top view) DESCRIPTION The TSM1121 integrated circuit incorporates all sensing circuitry to regulate and protect from over voltage and under voltage a multiple output power supply (3.3V, 5V and 12V). TSM1121 incorporates all the necessary functions for Housekeeping features which allow safe operation in all conditions, and very high system integration. TSM1121 integrates a precise voltage reference. VS33 VS5 VS12 EP PI 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VCC FAULT PG TPG TREM REM VREF APPLICATION s PC SMPS triple power line housekeeping ic (3.3V 5V 12V) TUV GND ORDER CODE Part Number TSM1121CN TSM1121CD Temperatur e Range 0 to 85°C 0 to 85°C Package Marking N D TSM1121C M1121 Note: N = Dual in Line Package (DIP) D = Small Outline Package (SO) - also available in Tape & Reel (DT) May 2003 Revision A 1/11 DataSheet 4 U .com www.DataSheet4U.com TSM1121 1 PIN DESCRIPTION Name Vcc Gnd ...