TSM006 STMicroelectronics, TSM006 Datasheet
TSM006
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TSM006 Summary of contents
Page 1
... Under voltage protection Thermal shutdown at 130°C 2kV ESD protection DESCRIPTION The TSM006 integrated circuits incorporate all circuitry to implement off line or DC-DC power supply applications using a fixed frequency current mode control. Based on a standard current mode PWM controller, ...
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... TSM006 1 Block Diagram DIS 14 Disable_Latch Thermal Shutdown Vin Hiccup_Latch Icomp 600µA BL Burst_Latch Comp Comp Clamp = Vss Vref Cslope 8 Slop_Compensation Rt Rt/Ct 1 Comp_Osc Ct Idct1 300µ Vref Frequency mod. Cfm Iiss 10µA Soft start 5 Ss Idss1 Idss2 1µA 1mA ...
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... Junction temperature ESD Electrostatic Discharge 1) All voltage values, except differential voltage are with respect to network ground terminal (GND). OPERATING CONDITIONS Symbol Vcc DC Supply Conditions Toper Operating Free Air Temperature Range DC Supply Voltage 1 Parameter TSM006 Value Unit -0.3 to self limit V 0 -0 ...
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... TSM006 3 Electrical Characteristics Tamb = 25°C, Vin=15V, Rt=39k, Ct=470pF, Rex=27k, Cfm=1nF unless otherwise specified Symbol Parameter Main oscillator Fosco Lower oscillating frequency FoscL Upper oscillating frequency Fjit Frequency jitter Ffm Frequency modulation Vthct Upper trip point Vtlct Lower trip point Vct Amplitude ...
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... Threshold level exit Hiccup Vhicc mode Test Condition Min Vss=2V 8 0°C Ta 105°C 7 Vss=2V, Vcs=2V Vss=2V, Vin= Vin=7V, Idss=1mA 11.5 8.0 CL=1nF Vcomp=1V Vin<VH Iin=50mA 22 Iobs=1mA Vbs=5V BL pin left unconnected 1.15 TSM006 Typ Max Unit 1 0 12.5 V 8.4 8.8 V 4.5 5 ...
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... TSM006 4 Functional Description TSM006: PWM Controller IC. UVLO function The Under Voltage Lock Out function disables the whole device when supply voltage is lower than the threshold. Vref block The Vref block provides a 5V reference voltage. An internal Vref status signal is active when Vref is lower than 4 ...
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... Disable state is latched and can only be exit by driving the Vin power supply voltage under the UVLO level. Thermal shutdown - BL The device operation is shut down when the internal temperature exceed 130°C. Hysteresis provides stable working and shutdown states. TSM006 7/13 ...
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... TSM006 Fig. 1: Detailed Internal Schematic 2.5V Comp_Dis Dis Thermal 14 Shutdown Vz2=1.2V Comp_0cp Vin Icomp 600µA Vbl2 BL 4 Vbl1 Comp Vref Rt/Ct 1 Idct1 Idct2 Ct 300µA 1mA 1.4V-3.0V Vref Frequency Modulation Cslope 8 Vref 0.5V 11k Iiss 10µ Idss1 Idss2 Css 1µ ...
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... Timing Diagram 5 Timing Diagram Timing for PWM function RT/CT COMP (COMP-2VF)/3 CS OUT Driving by maximum duty cycle Timing at Vref rise up and shut down VH VL Vin UVLO 4.7V Vref VrefStatus RT/CT Startup OUT Driving by PWM TSM006 No output 12V 8.4V 2V 9/13 ...
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... TSM006 Timing for soft start function RT/CT COMP CT-1VBE SS OUT Timing for latched disable function VH VIN DIS SS Disable Latch nQ OUT Soft start 10/13 Soft start period VL 2.5V Active Shut-down Timing Diagram 2VBE Max. duty cycle Soft start Active ...
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... Timing for burst mode function COMP VBL Max Current CS BS OUT Normal mode Timing for hiccup function Max Current CS Hiccup latch nQ SS OUT Normal mode VBL1 Current Level in Burst Mode Burst Mode OverCurrent Level 0.5V Hiccup mode TSM006 Normal mode Normal mode 11/13 ...
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... TSM006 Timing for oscillator function FM (DAP009A only) RT/CT 12/13 FM oscillation (Ffm=4.5kHz typ.) Timing Diagram Vref Gnd Foscl Fosco 62kHz typ. 68kHz typ. Fjit = Fosco - Foscl (6kHz typ.) ...
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... STMicroelectronics - All Rights Reserved STMicroelectronics GROUP OF COMPANIES www.st.com inch MIN. TYP. MAX. 0.068 0.003 0.007 0.064 0.013 0.018 0.007 0.010 0.019 0.336 0.344 0.228 0.244 0.050 0.300 0.149 0.157 0.181 0.208 0.019 0.050 0.026 PO13G TSM006 13/13 ...