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ADP5056ACCZ-R7 数据表(PDF) 13 Page - Analog Devices |
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ADP5056ACCZ-R7 数据表(HTML) 13 Page - Analog Devices |
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13 / 31 page ![]() Data Sheet ADP5056 Rev. 0 | Page 13 of 31 CH1 2.0mV/DIV B W: 20.0M CH2 5.0V/DIV 1MΩ BW: 20.0M CH1 2.0mV/DIV B W: 20.0M CH2 5.0V/DIV 1MΩ BW: 20.0M 100µs/DIV 20.0MS/s A CH2 4.3V 50.0ns/pt 1 2 Figure 22. Channel 1/Channel 2 Steady State Waveform, VIN = 12 V, VOUT = 1.2 V, IOUT = 10 mA, fSW = 600 kHz, L = 1 µH, COUT = 47 µF × 6, Automatic PWM/PSM, Channel 1 = VOUT, Channel 2 = SW CH1 50.0mV/DIV CH4 2.0A/DIV CH1 50.0mV/DIV CH4 2.0A/DIV 200µs/DIV 20.0MS/s A CH4 3.12A 50.0ns/pt B W: 500M B W: 20.0M 50Ω 1 4 Figure 23. Load Transient, Channel 1/Channel 2 from 1.5 A to 5 A, VIN = 12 V, VOUT = 3.3 V, fSW = 600 kHz, L = 1 µH, COUT = 47 µF × 6, 1 A/μs, Channel 1 = VOUT, Channel 4 = IOUT CH1 500mV/DIV 1MΩ BW: 20M CH2 5.0V/DIV 1MΩ BW: 500M CH3 2.0V/DIV 1MΩ BW: 20M CH4 5.0A/DIV 50Ω BW: 500M CH1 500mV/DIV 1MΩ BW: 20M CH2 5.0V/DIV 1MΩ BW: 500M CH3 2.0V/DIV 1MΩ BW: 20M CH4 5.0A/DIV 50Ω BW: 500M 20.0ms/DIV 500kS/s A CH1 600mV 2.0ns/pt T 1 2 3 4 Figure 24. Channel 1/Channel 2 Soft Start with 7 A Resistance Load, VIN = 12 V, VOUT = 1.2 V, fSW = 600 kHz, L = 1 µH, COUT = 47 µF × 6, Channel 1 = VOUT, Channel 2 = EN, Channel 3 = PWRGD, Channel 4 = IOUT CH1 500mV/DIV CH2 2.0V/DIV CH1 500mV/DIV CH2 2.0V/DIV 20.0ms/DIV 500kS/s A CH2 1.96V 2.0µs/pt B W: 20.0M B W: 20.0M 1MΩ CH3 2.0V/DIV CH4 1.0A/DIV B W: 500M B W: 20.0M 50Ω 1MΩ 1MΩ 1 4 2 3 Figure 25. Channel 1/Channel 2 Shutdown with Active Output Discharge, VIN = 12 V, VOUT = 1.2 V, fSW = 600 kHz, L = 1 µH, COUT = 47 µF × 6, Channel 1 = VOUT, Channel 2 = EN, Channel 3 = PWRGD, Channel 4 = IOUT CH1 500mV/DIV 1MΩ BW: 500M CH4 5.0A/DIV 50Ω BW: 20.0M CH1 500mV/DIV 1MΩ BW: 500M CH4 5.0A/DIV 50Ω BW: 20.0M 10.0ms/DIV 1.0MS/s A CH1 660mV 1.0µs/pt T 1 4 Figure 26. Channel 1/Channel 2 Short-Circuit Protection Entry, VIN = 12 V, VOUT = 1.0 V, fSW = 600 kHz, L = 1 µH, COUT = 47 µF × 6, Channel 1 = VOUT, Channel 4 = IOUT CH1 500mV/DIV 1 MΩ B W: 500M CH4 5.0AV/DIV 50 Ω B W: 20.0M 10.0ms/DIV 1.0MS/s A CH1 670mV 1.0µs/pt 1 4 T Figure 27. Channel 1/Channel 2 Short-Circuit Protection Recovery, VIN = 12 V, VOUT = 1.0 V, fSW = 600 kHz, L = 1 µH, COUT = 47 µF × 6, Channel 1= VOUT, Channel 4 = IOUT |
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