TSM112 STMicroelectronics, TSM112 Datasheet
TSM112
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TSM112 Summary of contents
Page 1
... EXTERNALLY ADJUSTABLE REMOTE DELAY PRECISION VOLTAGE REFERENCE 2kV ESD PROTECTION DESCRIPTION The TSM112 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). TSM112 incorporates all the necessary functions for Housekeeping features which allow safe oper- ation in all conditions, and very high system inte- gration ...
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... TSM112 PIN DESCRIPTION Name Pin # Type Vcc 14 Power Supply Gnd 7 Power Supply Vs12 3 Analog Input Vs5 2 Analog Input Vs33 1 Analog Input Tuv 6 Timing Capacitor Fault 13 Open Collector PI 5 Analog Input PG 12 Open Collector Tpg 11 Timing Capacitor REM 9 Logic Input Trem 10 Timing Capacitor ...
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... PG Output = 5V Load Capacitor = 100pF Load Capacitor = 100pF Load Capacitor Cpg=2.2 F Fault IFault = 1mA Vfault = 5V Remote Control (REM) Load Capacitor Crem=0.1 F Load Capacitor Crem=0.1 F Voltage Reference Io = 0mA Io = 0mA 4.5V<Vcc<24V Io = 10mA 4.5V<Vcc<24V 0<Io<10mA TSM112 Min Typ Max Unit 3.8 4 4.2 V 5.8 6.1 6.4 V 13.4 14 ...
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... CONV. 4/7 12V MAIN CONV. 5V 3.3V PWM + OPTO + Vref AUX. Vcc CONV. 5Vstby PWM + OPTO + Vref TSM112 Over & Undervoltage Protection FAULT Reference Logic Sequencer Vcc TSM112 Vs12 Vs5 OVP LOGIC Vs33 UVP SECONDARY HOUSEKEEPING Ep Vref Vref UV BLANK Gnd 12V 5V 3.3V 5Vstby PG REM PI PG ...
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... OUT 5V OVP Vref UVP Vuv5 IN 3.3V VS33 Vov33 OUT 3.3V OVP Vref UVP Vuv33 EP OVP 1.25V Vcc TSM112 OVP Tfault UVP Vcc Trem Power Up UV blanking Tuv Gnd TSM112 FAULT 1k Trem Crem Tuv Cuv 3.47V Rem 0.8V Pg Tpg Tpg Cpg 1.25V PI Vref VREF 5/7 ...
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... PRINCIPLE OF OPERATION AND APPLICATION HINTS TSM112: Housekeeping IC. TSM112 is a one chip solution for all PC SMPS: it integrates on one chip the Housekeeping Circuitry (Over Voltage and Under Voltage protections, with adequate sequencing). Triple Power Line Protection. The TSM112 Housekeeping Circuit is dedicated to 3.3V, 5V and 12V power lines protection. It inte- ...
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... TSM112 PACKAGE MECHANICAL DATA 14 PINS - PLASTIC PACKAGE Dim. Min. a1 0. 1.27 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics ...