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ADP2441ACPZ-R2 数据表(PDF) 13 Page - Analog Devices |
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ADP2441ACPZ-R2 数据表(HTML) 13 Page - Analog Devices |
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13 / 32 page ![]() Data Sheet ADP2441 Rev. A | Page 13 of 32 CH1 2.00V BW CH2 10.0V BW CH3 10.0V M4.00ms A CH3 9.00V 3 1 2 VOUT VIN SW VIN = 36V VOUT = 5V fSW = 700kHz LOAD = 5Ω Figure 40. Startup with VIN, VIN = 36 V, VOUT = 5 V, fSW = 700 kHz, Load = 5 Ω CH1 2.00V BW CH2 10.0V CH4 2.00V CH3 5.00V M200µs A CH3 2.20V 3 1 2 4 VOUT ENABLE SS SW VIN = 24V VOUT = 5V fSW = 700kHz LOAD = 5Ω Figure 41. Shutdown with Precision Enable, VIN = 24 V, VOUT = 5 V, fSW = 700 kHz, Load = 5 Ω CH1 2.00V BW CH2 10.0V CH4 500mV CH3 5.00V M2.00ms A CH3 2.20V 3 1 2 4 VOUT ENABLE SS SW VIN = 24V VOUT = 5V fSW = 700kHz LOAD = 5Ω SS = 10nF Figure 42. Startup with Precision Enable, VIN = 24 V, VOUT = 5 V, fSW = 700 kHz, Load = 5 Ω, SS = 10 nF CH1 2.00V BW CH2 10.0V CH4 2.00V CH3 5.00V M1.00ms A CH3 1.40V 3 1 2 4 VOUT ENABLE SS SW VIN = 24V VOUT = 5V fSW = 700kHz Figure 43. Soft Start Startup with Precision Enable, VIN = 24 V, VOUT = 5 V, fSW = 700 kHz, No Load, Internal SS –90 –50 –10 30 70 110 –70 –30 10 50 90 1 10 100 –200 –120 –40 40 120 200 –160 –80 0 80 160 FREQUENCY (kHz) CROSSOVER = 58kHz: 1/12 fSW PHASE MARGIN = 55° VIN = 24V VOUT = 5V fSW = 700kHz LOAD = 1A Figure 44. Magnitude and Phase vs. Frequency |
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