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LP2980AIM5-3.3 Datasheet(PDF) 4 Page - Texas Instruments |
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LP2980AIM5-3.3 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 24 page LP2980-N SNOS733M – APRIL 2000 – REVISED JUNE 2013 www.ti.com ELECTRICAL CHARACTERISTICS (continued) 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, COUT = 1 μF, VON/OFF = 2V. Symbol Parameter Conditions Typ LP2980AI-XX(1) LP2980I-XX(1) Units Min Max Min Max IL = 0 95 95 65 125 125 IL = 1 mA 110 110 80 170 170 IGND Ground Pin Current IL = 10 mA 220 220 μA 140 460 460 IL = 50 mA 600 600 375 1200 1200 VON/OFF < 0.18V 0 1 1 VON/OFF ON/OFF Input Voltage(3) High = O/P ON 1.4 1.6 1.6 V Low = O/P OFF 0.55 0.18 0.18 ION/OFF ON/OFF Input Current VON/OFF = 0 0 −1 −1 μA VON/OFF = 5V 5 15 15 IO(PK) Peak Output Current VOUT ≥ VO(NOM) − 5% 150 100 100 mA en Output Noise Voltage BW = 300 Hz–50 kHz, COUT 160 μV (RMS) = 10 μF f = 1 kHz Ripple Rejection 63 dB COUT = 10 μF IO(MAX) Short Circuit Current RL = 0 (Steady State) (4) 150 mA (3) The ON/OFF inputs must be properly driven to prevent misoperation. For details, refer to ON/OFF INPUT OPERATION. (4) See related curve(s) in TYPICAL PERFORMANCE CHARACTERISTICS section. Typical Application Circuit *ON/OFF input must be actively terminated. Tie to VIN if this function is not to be used. **Minimum Output Capacitance is 1 μF to insure stability over full load current range. More capacitance provides superior dynamic performance and additional stability margin (see APPLICATION HINTS). ***Do not make connections to this pin. Figure 3. 4 Submit Documentation Feedback Copyright © 2000–2013, Texas Instruments Incorporated Product Folder Links: LP2980-N |
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