TSM111 STMicroelectronics, TSM111 Datasheet
TSM111
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TSM111 Summary of contents
Page 1
... TWO 1.6% VOLTAGE REFERENCES FOR MAIN AND AUXILIARY CONVERTER REG- ULATION LOOPS DESCRIPTION The TSM111 integrated circuit incorporates all sensing circuit to control a triple output power sup- ply. It includes voltage references , comparators and matched resistors bridge for overcurrent and overvoltage detection without the need of any ex- ternal components ...
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... TSM111 SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol V DC Supply Voltage pin Output Current Power Good and PWM out P Power Dissipation d T Storage Temperature Range stg ESD Electrostatic Discharge I Input Current in V Minimum voltage on all pins with respect to ground terminal ter ...
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... Test Condition I = 0.5mA 25°C r amb I = 0.5mA to 10mA r 15 < V < 36V CC V > 2V out Test Condition I = 0.5mA 25°C r amb I = 0.5mA to 10mA r 15 < V < 36V CC V > 2V out TSM111 Min. Typ. Max. Unit 46.5 50 53.5 mV 46.5 50 53.5 mV 60 VCC -2 V 3.8 4 4.2 V 5.8 6.1 6 ...
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... TSM111 POWER GOOD SECTION Symbol Parameter Turn on Delay for Power Good, Tpor Cpor = 2 Tpor Delay Charging Current Vth Tpor Delay Threshold Voltage Vhdet Under Voltage Comparator Hysteresis Vhpor Hysteresis on Tpor Voltage Detect Level Vdet UV Input pin 11 Load Resistor on Vdetect Rdet ...
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... When PWM is low, the main SMPS is operational. Connected to external capacitor for Power-on-reset timing. Cpor = 2.2 F Undervoltage detection, control and detect main AC voltage failure. Power Good logic output 5V. Power Good high (=1) means that the power is good for operation. Ground or Negative supply voltage. TSM111 5/17 ...
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... TSM111 APPLICATION DIAGRAM 6/17 ...
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... TIMING DIAGRAM : remote control TSM111 7/17 ...
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... TSM111 TIMING DIAGRAM : overvoltage or overcurrent shut-down 8/17 ...
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... PCB space, design time in fine tuning the cir- cuit and also add to assembling costs. ST’s single chip TSM111 IC provides complete protection circuits design easier, with fewer num- ber of components. TSM111 is an ideal supervisor IC for PC power supplies. The salient features and benefits of this device are listed below : a) Over voltage protection for 3 ...
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... This control pin 6 output can be used to turn off the Mains Power Supply during fault condition. An optocoupler is connected directly, BILL OF MATERIAL The following are the bill of material for the 90W SMPS : No Part Number ICs 1 L5991A 2 VIPer20 DIP 3 TSM111 4 LM7912CV 5 TL431 MOSFETS 6 STP6NB80 7 STP3020L Rectifiers 8 BYV10-40 ...
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... MOHM 68K 2 61 680R 1 62 39K 470K 1 65 100R 3 66 10K MOHM 330R 1 71 10,1/ 470R TSM111 11/17 ...
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... TSM111 12/17 ...
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... I/O of the evaluation board. The Electrical Schematic of the TSM111 evalua- tion board is shown on figure 1. It includes the TSM111 as well as the minimum component num- ber required to make the TSM111 fit SMPS application. Components calculations The overvoltage protection is not to be adjusted. ...
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... Fault output : C2=100nF => Trem1(ON to OFF)=8ms C2=100nF => Trem2(OFF to ON)=24ms pull down resistor on the remote pin of TSM111. Note that an integrated pull up resistor of 100k taken into account in the choice of R5, knowing that the threshold voltage of the input comparator is 1.4V. Therefore, R5 should be low- er than 38 ...
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... Figure 2a Figure 2b TSM111 15/17 ...
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... TSM111 PACKAGE MECHANICAL DATA 20 PINS - PLASTIC DIP Dim. Min. a1 0.254 B 1. 16/17 Millimeters Typ. Max. 1.65 0.45 0.25 25.4 8.5 2.54 22.86 7.1 3.93 3.3 1.34 Inches Min. Typ. Max. 0.010 0.055 0.065 0.018 0.010 1.000 0.335 0.100 0.900 0.280 0.155 0.130 0.053 ...
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... Millimeters Typ. Max. 2.65 0.3 2.45 0.49 0.32 0.5 45° (typ.) 13.0 10.65 1.27 11.43 7.6 1.27 0.75 8° (max.) © 2003 STMicroelectronics - All Rights Reserved STMicroelectronics GROUP OF COMPANIES http://www.st.com TSM111 Inches Min. Typ. Max. 0.104 0.004 0.012 0.096 0.014 0.019 0.009 0.013 0.020 0.496 0.512 0.394 0.419 0.050 0.450 0.291 0.299 ...