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TPS61062DRBR Datasheet(PDF) 3 Page - Texas Instruments |
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TPS61062DRBR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 22 page www.ti.com Comparator Error Amplifier FB PGND Q1 OUT VIN EN Q2 EN ILED GND EN OVP EN EN 50-mS Turnoff Delay Bias Vref = 1.22 V Thermal Shutdown UVLO Pre-Charge Current/PWM Short-Circuit Detection SW Vref Oscillator 1 MHz Control Logic Gate Drive Circuit Current Limit Current Sense Ramp Compensation Σ ILED = High VFB = 250 mV ILED = Low VFB = 500 mV ILED Programmed VFB = 15.6 mV to 500 mV Vref = 1.22 V 5-Bit DAC 15.6 mV/Step Digital Interface ABSOLUTE MAXIMUM RATINGS (1) TPS61060 TPS61061 TPS61062 SLVS538 – NOVEMBER 2004 FUNCTIONAL BLOCK DIAGRAM over operating free-air temperature range (unless otherwise noted) UNIT VIN(2) Supply voltages on pin –0.3 V to 7 V EN, ILED, FB(2) Voltages on pins –0.3 V to 7 V OUT(2) Voltage on pin 33 V SW(2) Voltage on pin 33 V Continuous power dissipation See Dissipation Rating Table Operating junction temperature range –40 °C to 150°C Storage temperature range –55 °C to 150°C Lead temperature (soldering, 10 sec) 260 °C (1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) All voltage values are with respect to network ground terminal. 3 |
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