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LP2981IM5X-3.6 Datasheet(PDF) 3 Page - Texas Instruments |
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LP2981IM5X-3.6 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 24 page LP2981-N www.ti.com SNOS773K – MARCH 2000 – REVISED APRIL 2013 ELECTRICAL CHARACTERISTICS Limits in standard typeface are for TJ = 25°C, and limits in boldface type applyover the full operating temperature range. Unless otherwise specified: VIN = VO(NOM) + 1V, CIN = 1 μF, IL = 1 mA, COUT = 4.7 μF,VON/OFF = 2V. Symbol Parameter Conditions Typ LP2981AI-XX(1) LP2981I-XX(1) Units Min Max Min Max ΔVO Output Voltage Tolerance IL = 1mA −0.75 0.75 −1.25 1.25 1 mA < IL < 100 mA −1.0 1.0 −2.0 2.0 %VNOM −2.5 2.5 −3.5 3.5 Output Voltage VO(NOM) + 1V 0.007 0.014 0.014 %/V Line Regulation ≤ VIN ≤ 16V 0.032 0.032 VIN–VO Dropout Voltage(2) IL = 0 1 3 3 mV 5 5 IL = 1 mA 7 10 10 15 15 IL = 25 mA 70 100 100 150 150 IL = 100 mA 200 250 250 375 375 IGND Ground Pin Current IL = 0 65 95 95 μA 125 125 IL = 1 mA 80 110 110 170 170 IL = 25 mA 200 300 300 550 550 IL = 100 mA 600 800 800 1500 1500 VON/OFF < 0.3V 0.01 0.8 0.8 VON/OFF < 0.15V 0.05 2 2 VON/OFF ON/OFF Input Voltage(3) High = O/P ON 1.4 1.6 1.6 V Low = O/P OFF 0.50 0.15 0.15 ION/OFF ON/OFF Input Current VON/OFF = 0 0.01 −1 −1 μA VON/OFF = 5V 5 15 15 IO(PK) Peak Output Current VOUT ≥ VO(NOM) − 5% 400 150 150 mA en Output Noise BW = 300 Hz–50 kHz, 160 μV Voltage (RMS) COUT = 10 μF Ripple Rejection f = 1 kHz 63 dB COUT = 10 μF IO(MAX) Short Circuit Current RL = 0 (Steady State) (4) 150 mA (1) Limits are 100% production tested at 25°C. Limits over the operating temperature range are specified through correlation using Statistical Quality Control (SQC) methods. The limits are used to calculate TI's Average Outgoing Quality Level (AOQL). (2) Dropout voltage is defined as the input to output differential at which the output voltage drops 100 mV below the value measured with a 1V differential. (3) The ON/OFF inputs must be properly driven to prevent misoperation. For details, refer to APPLICATION HINTS. (4) See TYPICAL PERFORMANCE CHARACTERISTICS curve(s). Copyright © 2000–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LP2981-N |
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