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ADP5053ACPZ-R7 数据表(PDF) 15 Page - Analog Devices |
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ADP5053ACPZ-R7 数据表(HTML) 15 Page - Analog Devices |
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15 / 37 page ![]() ADP5053 Data Sheet Rev. B | Page 14 of 36 0 20 40 60 80 100 120 140 160 180 200 –50 –20 10 40 70 100 130 TEMPERATURE (°C) CHANNEL 1/CHANNEL 2 CHANNEL 3/CHANNEL 4 Figure 22. Minimum On Time vs. Temperature CH1 5.00V CH2 10.0mV B W M1.00µs A CH1 7.40V 2 1 VOUT SWx Figure 23. Steady State Waveform at Heavy Load, VIN = 12 V, VOUT = 3.3 V, IOUT = 3 A, fSW = 600 kHz, L = 4.7 µH, COUT = 47 µF × 2, FPWM Mode CH1 5.00V CH2 50.0mV B W M100µs A CH1 11.0mV 2 1 VOUT SWx Figure 24. Steady State Waveform at Light Load, VIN = 12 V, VOUT = 3.3 V, IOUT = 30 mA, fSW = 600 kHz, L = 4.7 µH, COUT = 47 µF × 2, Automatic PWM/PSM Mode CH1 50.0mV B W CH4 2.00A Ω M100µs A CH1 –22.0mV 1 4 VOUT IOUT Figure 25. Channel 1/Channel 2 Load Transient, 1 A to 4 A, VIN = 12 V, VOUT = 3.3 V, fSW = 600 kHz, L = 2.2 µH, COUT = 47 µF × 2 CH3 2.00A Ω BW CH4 2.00A Ω B W CH2 100mV B W M100µs A CH2 –56.0mV 2 4 VOUT IOUT2 IOUT1 Figure 26. Load Transient, Channel 1/Channel 2 Parallel Output, 0 A to 6 A, VIN = 12 V, VOUT = 3.3 V, fSW = 600 kHz, L = 4.7 µH, COUT = 47 µF × 4 CH1 500mV BW CH2 5.00V CH3 5.00V B W CH4 2.00A Ω M1.00ms A CH1 650mV 1 3 2 4 VOUT IOUT EN1/EN2 PWRGD Figure 27. Channel 1/Channel 2 Soft Start with 4 A Resistance Load, VIN = 12 V, VOUT = 1.2 V, fSW = 600 kHz, L = 1 µH, COUT = 47 µF × 2 |
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