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TPS22915C Datasheet(PDF) 7 Page - Texas Instruments |
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TPS22915C Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 26 page  t R t ON t OFF 90% 90% 10% 10% V ON V OUT V OUT 50% 50% 50% 50% t D 10% t F RL + - OFF ON TPS22914/15 VIN VOUT CL GND (A) GND ON GND CIN = 1 µF TPS22914B, TPS22914C, TPS22915B, TPS22915C www.ti.com SLVSCO0C – JUNE 2014 – REVISED JULY 2015 8.6 Switching Characteristics Refer to the timing test circuit in Figure 1 (unless otherwise noted) for references to external components used for the test condition in the switching characteristics table. Switching characteristics shown below are only valid for the power-up sequence where VIN is already in steady state condition before the ON pin is asserted high. TYP TYP PARAMETER TEST CONDITION UNIT (TPS22914B/15B) (TPS22914C/15C) VIN = 5 V, VON = 5 V, TA = 25˚C (unless otherwise noted) tON Turn-on time RL = 10 Ω, CIN = 1 µF, COUT = 0.1 µF 104 1300 µs tOFF Turn-off time RL = 10 Ω, CIN = 1 µF, COUT = 0.1 µF 2 2 µs tR VOUT rise time RL = 10 Ω, CIN = 1 µF, COUT = 0.1 µF 89 1277 µs tF VOUT fall time RL = 10 Ω, CIN = 1 µF, COUT = 0.1 µF 2 2 µs tD Delay time RL = 10 Ω, CIN = 1 µF, COUT = 0.1 µF 59 663 µs VIN = 3.3 V, VON = 5 V, TA = 25˚C (unless otherwise noted) tON Turn-on time RL = 10 Ω, CIN = 1 µF, COUT = 0.1 µF 83 1077 µs tOFF Turn-off time RL = 10 Ω, CIN = 1 µF, COUT = 0.1 µF 2 2 µs tR VOUT rise time RL = 10 Ω, CIN = 1 µF, COUT = 0.1 µF 64 913 µs tF VOUT fall time RL = 10 Ω, CIN = 1 µF, COUT = 0.1 µF 2 2 µs tD Delay time RL = 10 Ω, CIN = 1 µF, COUT = 0.1 µF 52 622 µs VIN = 1.05 V, VON = 5 V, TA = 25˚C (unless otherwise noted) tON Turn-on time RL = 10 Ω, CIN = 1 µF, COUT = 0.1 µF 61 752 µs tOFF Turn-off time RL = 10 Ω, CIN = 1 µF, COUT = 0.1 µF 3 3 µs tR VOUT rise time RL = 10 Ω, CIN = 1 µF, COUT = 0.1 µF 28 409 µs tF VOUT fall time RL = 10 Ω, CIN = 1 µF, COUT = 0.1 µF 2 2 µs tD Delay time RL = 10 Ω, CIN = 1 µF, COUT = 0.1 µF 47 547 µs A. Rise and fall times of the control signal is 100ns Figure 1. Test Circuit Figure 2. Timing Waveforms Copyright © 2014–2015, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: TPS22914B TPS22914C TPS22915B TPS22915C |
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