TSM111 TRIPLE VOLTAGE AND CURRENT SUPERVISOR OVERVOLTAGE PROTECTION FOR 3.3V, 5V AND 12V WITHOUT EXTERNAL COMPO- NENTS OVERCURRENT PROTECTION FOR 3.3V, 5V AND 12V WITH INTERNAL THRESHOLD N VOLTAGE DIP20 POWER GOOD CIRCUITRY (Plastic Package) GENERATES POWER GOOD SIGNAL REMOTE ON/OFF FUNCTION PROGRAMMABLE TIMING FOR POWER GOOD SIGNAL D SO20 14.5V TO 36V SUPPLY VOLTAGE RANGE (Plastic Micropackage) TWO 1.6% VOLTAGE REFERENCES FOR MAIN AND AUXILIARY CONVERTER REG- ULATION LOOPS ORDER CODE Package DESCRIPTION Part Number Temperature Range ND The TSM111 integrated circuit incorporates all TSM111C 0, +70C sensing circuit to control a triple output power sup- Example : TSM111CD ply. It includes voltage references , comparators N = Dual in Line Package (DIP) D = Small Outline Package (SO) - also available in Tape & Reel (DT) and matched resistors bridge for overcurrent and PIN CONNECTIONS (top view) overvoltage detection without the need of any ex- ternal components. Timing generator with external capacitors, control turn On and Off delays. It pro- 20 Vs33 1 Is33 vides an integrated and cost effective solution for 2 19 simultaneous multiple voltage control. Vs5 Is5 18 3 Vs12 Is12 APPLICATION 17 ADJ 4 Tsur 16 5 Vcc GND This circuit is designed to be used in SMPS for 15 PWM 6 FbMAIN Desktop PC, to supervise currents and voltages of all outputs and generate power good information 14 REM 7 VrefMAIN to the system while managing all timing during Trem 8 13 VrefAUX transitory operation. PG 9 12 FbAUX The IC also manages the standby mode of SMPS Tpor 10 11 UV while the PC is in sleep mode. January 2003 1/17 Obsolete Product(s) - Obsolete Product(s)TSM111 SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit 1) V 44 V CC DC Supply Voltage pin 5 I Output Current Power Good and PWM 30 mA out P Power Dissipation 1 W d T Storage Temperature Range -55 to +150 C stg ESD Electrostatic Discharge 2 kV I Input Current 50 mA in V Minimum voltage on all pins with respect to ground terminal -0.3 V ter I Maximum continuous current in all pins (except pin 5) 10 mA 1 I Max peak current in all pins for latch-up free operation 200 mA 2 1. All voltages values, except differential voltage are with respect to network ground terminal. OPERATING CONDITIONS Symbol Parameter Value Unit 1) V 15 to 36 V DC Supply Voltage pin 5 CC T Operating Free Air Temperature Range 0 to +70 C oper I Operating Cathode Current, Vrefaux and Vrefmain 30 mA k 1. The DC supply voltage must be higher than the maximum voltage applied on the 3.3, 5, 12V inputs (Is3.3, Is5, Is12) plus 2V. For example, if 13.2Vis present on the Is12 input, the minimum required value on V is 15.2V. CC 2/17 Obsolete Product(s) - Obsolete Product(s)