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TPS61042DRBR Fiches technique(PDF) 2 Page - Texas Instruments |
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TPS61042DRBR Fiches technique(HTML) 2 Page - Texas Instruments |
2 / 27 page www.ti.com ABSOLUTE MAXIMUM RATINGS DISSIPATION RATING RECOMMENDED OPERATING CONDITIONS TPS61042 SLVS441C – DECEMBER 2002 – REVISED MARCH 2007 ORDERING INFORMATION(1) TA Package Package Marking –40 to 85 °C TPS61042DRB BHS (1) The DRB package is available taped and reeled. Add R suffix (TPS61042DRBR) to order quantities of 3000 devices per reel. Add T suffix (TPS61042DRBT) to order quantities of 250 devices per reel. over operating free-air temperature range (unless otherwise noted)(1) TPS61042 Supply Voltages, v(VIN)(2) –0.3 V to 7 V Voltages, V(Rs) , V(CTRL), V(FB) –0.3 V to Vin + 0.3 V Voltages, V(SW), V(LED)(2) 30 V Voltage, V(OVP) 30 V Continuous power dissipation See Dissipation Rating Table Operating junction temperature range –40 °C to 150°C Storage temperature range, TSTG –65 °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. PACKAGE TA ≤ 25°C POWER DERATING FACTOR TA = 70°C POWER TA = 85°C POWER RATING ABOVE TA= 25°C RATING RATING 8 pin QFN(1) 370 mW 3.7 mW/ °C 204 mW 148 mW (1) The thermal resistance junction to ambient of the 8-pin QFN package is 270 °C/W. Standard 2-layer PCB without vias for the thermal pad. See the application section on how to improve the thermal resistance RθJA. MIN TYP MAX UNIT VI Input voltage range 1.8 6 V Vs Output voltage range VIN 27.5 V VSW Switch voltage 30 V I(LED) Maximum LED switch current 60 mA L Inductor(1) 4.7 µH f Switching frequency(1) 1 MHz CI Input capacitor(1) 4.7 µF CO Output capacitor(1) 100 nF TA Operating ambient temperature –40 85 °C TJ Operating junction temperature –40 125 °C (1) See application section for further information 2 Submit Documentation Feedback |
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