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LP2985-30 Datasheet(PDF) 4 Page - Texas Instruments |
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LP2985-30 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 29 page LP2985 SLVS522O – JULY 2004 – REVISED JANUARY 2015 www.ti.com 6 Specifications 6.1 Absolute Maximum Ratings over virtual junction temperature range (unless otherwise noted) (1) MIN MAX UNIT VIN Continuous input voltage range(2) –0.3 16 V VON/ OFF ON/OFF input voltage range –0.3 16 V Output voltage range(3) –0.3 9 V Internally limited IO Output current(4) — (short-circuit protected) θJA Package thermal impedance(4) (5) 206 °C/W TJ Operating virtual junction temperature 150 °C Tstg Storage temperature range –65 150 °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) The PNP pass transistor has a parasitic diode connected between the input and output. This diode normally is reverse biased (VIN > VOUT), but will be forward biased if the output voltage exceeds the input voltage by a diode drop (see Application Information for more details). (3) If load is returned to a negative power supply in a dual-supply system, the output must be diode clamped to GND. (4) Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability. (5) The package thermal impedance is calculated in accordance with JESD 51-7. 6.2 ESD Ratings VALUE UNIT Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins(1) 2000 V(ESD) Electrostatic discharge V Charged device model (CDM), per JEDEC specification JESD22-C101, 1000 all pins(2) (1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. (2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process. 6.3 Recommended Operating Conditions MIN MAX UNIT VIN Supply input voltage 2.2(1) 16 V VON/ OFF ON/OFF input voltage 0 VIN V IOUT Output current 150 mA TJ Virtual junction temperature –40 125 °C (1) Recommended minimum VIN is the greater of 2.5 V or VOUT(max) + rated dropout voltage (max) for operating IL. 6.4 Thermal Information LP2985 THERMAL METRIC(1) DBV UNIT 5 PINS RθJA Junction-to-ambient thermal resistance 206 °C/W (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 4 Submit Documentation Feedback Copyright © 2004–2015, Texas Instruments Incorporated |
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