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LP2985IM5-3.6 Datasheet(PDF) 3 Page - Texas Instruments |
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LP2985IM5-3.6 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 33 page LP2985-N www.ti.com SNVS018V – MARCH 2000 – REVISED JUNE 2013 These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. ABSOLUTE MAXIMUM RATINGS (1) (2) Storage Temperature Range −65°C to +150°C Operating Junction Temperature Range −40°C to +125°C Lead Temp. (Soldering, 5 sec.) 260°C ESD Rating(3) 2 kV Power Dissipation(4) Internally Limited Input Supply Voltage (Survival) −0.3V to +16V Input Supply Voltage (Operating) 2.5V to +16V Shutdown Input Voltage (Survival) −0.3V to +16V Output Voltage (Survival, See(5)) −0.3V to +9V IOUT (Survival) Short Circuit Protected Input-Output Voltage (Survival, See(6)) −0.3V to +16V (1) Absolute Maximum Ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating the device outside of its rated operating conditions. (2) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and specifications. (3) The ESD rating of pins 3 and 4 for the SOT-23 package, or pins 5 and 2 for the DSBGA package, is 1 kV. (4) The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(MAX), the junction-to-ambient thermal resistance, θJ-A, and the ambient temperature, TA. The maximum allowable power dissipation at any ambient temperature is calculated using: where (a) the value of θJ-A for the SOT-23 package is 220°C/W in a typical PC board mounting and the DSBGA package is 225°C/W. Exceeding the maximum allowable dissipation will cause excessive die temperature, and the regulator will go into thermal shutdown. (5) For 12V option, output voltage survival: -0.3 to +16V. If used in a dual-supply system where the regulator load is returned to a negative supply, the LP2985-N output must be diode-clamped to ground. (6) The output PNP structure contains a diode between the VIN to VOUT terminals that is normally reverse-biased. Reversing the polarity from VIN to VOUT will turn on this diode. ELECTRICAL CHARACTERISTICS (1) Limits in standard typeface are for TJ = 25°C. and limits in boldface type apply over the full operating temperature range. Unless otherwise specified: VIN = VO(NOM) + 1V, IL = 1 mA, CIN = 1 µF, COUT = 4.7 µF, VON/OFF = 2V. LP2985AI-X.X(2) LP2985I-X.X(2) Symbol Parameter Conditions Typ Units Min Max Min Max ΔVO Output Voltage IL = 1 mA −1.0 1.0 −1.5 1.5 Tolerance 1 mA ≤ IL ≤ 50 mA −1.5 1.5 −2.5 2.5 −2.5 2.5 −3.5 3.5 %VNOM 1 mA ≤ IL ≤ 150 mA −2.5 2.5 −3.0 3.0 −3.5 3.5 −4.0 4.0 Output Voltage VO(NOM)+1V ≤ VIN ≤ 16V 0.007 0.014 0.014 %/V Line Regulation 0.032 0.032 (1) Exposing the DSBGA device to direct sunlight will cause misoperation. See APPLICATION HINTS for additional information. (2) Limits are 100% production tested at 25°C. Limits over the operating temperature range are ensured through correlation using Statistical Quality Control (SQC) methods. The limits are used to calculate TI's Average Outgoing Quality Level (AOQL). Copyright © 2000–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LP2985-N |
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