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ADP1032ACPZ-4-R7 数据表(PDF) 19 Page - Analog Devices |
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ADP1032ACPZ-4-R7 数据表(HTML) 19 Page - Analog Devices |
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19 / 37 page ![]() Data Sheet ADP1032 Rev. 0 | Page 19 of 37 CH1 10.0mV Ω CH2 20.0mA M10.0µs A CH3 20.4V T 700.000ns B W B W CH3 10.0V BW 1 2 3 VOUT2 ISW2 VSW2 Figure 46. Buck Regulator Pulse Skipping Operation Showing Inductor Current 2 (ISW2), Switch Node Voltage, and Output Ripple, TA = 25°C, VOUT1 = 24 V, VOUT2 = 5.15 V, IOUT2 = 0.3 mA CH1 20.0mV Ω CH2 50.0mA M2.00µs A CH3 16.0V T 40.0000ns B W B W CH3 10.0V BW 1 2 3 VOUT2 ISW2 VSW2 Figure 47. Buck Regulator Discontinuous Conduction Mode Operation Showing ISW2, Switch Node Voltage, and Output Ripple, TA = 25°C, VOUT1 = 21 V, VOUT2 = 5.15 V, IOUT2 = 7 mA CH1 5.00mA CH2 500mV M2.00ms A CH1 4.30mA T 5.92000ms B W B W CH3 10.0V B W 1 2 3 VSW2 IOUT2 VOUT2 Figure 48. Buck Regulator Load Transient Response, VOUT1 = 24 V, VOUT2 = 5.15 V, IOUT2 = 0.3 mA to 7 mA Step, TA = 25°C CH1 50.0mV Ω CH2 100mA M2.00µs A CH3 3.80V T –40.000ns B W B W CH3 10.0V BW 1 2 3 VOUT2 ISW2 VSW2 Figure 49. Buck Regulator Discontinuous Conduction Mode Operation Showing ISW2, Switch Node Voltage, and Output Ripple, TA = 25°C, VOUT1 = 21 V, VOUT2 = 5.15 V, IOUT2 = 50 mA CH1 1.00V Ω CH2 200mA M200µs A CH2 164mA T 595.000µs B W B W CH3 10.0V BW 1 2 3 VOUT2 VSW2 ISW2 Figure 50. Buck Regulator Short-Circuit Current Limit During Startup, VOUT1 = 24 V, VOUT2 = SGND2, TA = 25°C CH1 5.00mA CH2 500mV M2.00ms A CH1 4.30mA T 5.92000ms B W B W CH3 10.0V BW 1 2 3 VSW2 IOUT2 VOUT2 Figure 51. Buck Regulator Load Transient Response, VOUT1 = 21 V, VOUT2 = 5.15 V, IOUT2 = 0.3 mA to 7 mA Step, TA = 25°C |
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