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TPS62004QDGSRQ1 Datasheet(PDF) 7 Page - Texas Instruments |
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TPS62004QDGSRQ1 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 26 page TPS62000Q1, TPS62001Q1, TPS62002Q1, TPS62003Q1 TPS62004Q1, TPS62005Q1, TPS62006Q1, TPS62007Q1, TPS62008Q1 HIGHEFFICIENCY STEPDOWN LOW POWER DCDC CONVERTER SGLS243A − APRIL 2004 − REVISED JUNE 2008 7 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 absolute maximum ratings over operating free-air temperature (unless otherwise noted)† Supply voltages on pin VIN and FC (see Note 1) −0.3 V to 6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Voltages on pins EN, ILIM, SYNC, PG, FB, L (see Note 1) −0.3 V to VIN + 0.3 V . . . . . . . . . . . . . . . . . . . . . . . . Peak switch current 1.6 A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous power dissipation See Dissipation Rating Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating junction temperature range, TJ −40 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg −65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lead temperature (soldering, 10 sec) 260 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † 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. NOTE 1: All voltage values are with respect to network ground terminal. DISSIPATION RATING TABLE PACKAGE TA ≤ 25°C POWER RATING DERATING FACTOR ABOVE TA = 25°C TA = 70°C POWER RATING TA = 85°C POWER RATING 10 pin MSOP 555 mW 5.56 mW/ °C 305 mW 221 mW NOTE: The thermal resistance junction to ambient of the 10-pin MSOP is 180 °C/W. The device will not run into thermal limitations, provided it is operated within the specified range. recommended operating conditions MIN TYP MAX UNIT Supply voltage, VI 2 5.5 V Output voltage range for adjustable output voltage version, VO 0.8 VI V Output current for 3-cell operation, IO (VI ≥ 2.5 V; L = 10 µH, f = 750 kHz) 600 mA Output current for 2-cell operation, IO (VI ≥ 2 V; L = 10 µH, f = 750 kHz) 200 mA Inductor, L (see Note 2) 10 µH Input capacitor, Ci (see Note 2) 10 µF Output capacitor, Co (see Note 2) VO ≥ 1.8 V) 10 µF Output capacitor, Co (see Note 2) VO < 1.8 V) 47 µF Operating junction temperature, TJ -40 125 °C NOTE 2: See the Application Information section for further information. electrical characteristics over recommended operating free-air temperature range, VI = 3.6 V, VO = 2.5 V, IO = 300 mA, EN = VIN, ILIM = VIN, TJ = −40°C to 125°C (unless otherwise noted) supply current PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VI Input voltage range IO = 0 mA to 600 mA 2.5 5.5 V VI Input voltage range IO = 0 mA to 200 mA 2 5.5 V I(Q) Operating quiescent current IO = 0 mA, SYNC = GND (PFM-mode enabled) 50 75 µA I(SD) Shutdown current EN = GND 0.1 1 µA enable PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIH EN high-level input voltage 1.3 V VIL EN low level input voltage 0.4 V Ilkg EN input leakage current EN = GND or VIN 0.01 0.1 µA V(UVLO) Undervoltage lockout threshold 1.2 1.6 1.95 V |
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