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ADP1612ARMZ-R7 数据表(PDF) 10 Page - Analog Devices |
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ADP1612ARMZ-R7 数据表(HTML) 10 Page - Analog Devices |
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10 / 28 page ![]() ADP1612/ADP1613 Rev. A | Page 10 of 28 T TIME (400ns/DIV) VIN = 5V VOUT = 12V ILOAD = 20mA L = 6.8µH fSW = 1.3MHz COUT = 10µF OUTPUT VOLTAGE (5V/DIV) INDUCTOR CURRENT (200mA/DIV) SWITCH VOLTAGE (10V/DIV) Figure 28. ADP1612/ADP1613 Switching Waveform in Discontinuous Conduction Mode T TIME (400ns/DIV) VIN = 5V VOUT = 12V ILOAD = 200mA L = 6.8µH fSW = 1.3MHz COUT = 10µF OUTPUT VOLTAGE (5V/DIV) INDUCTOR CURRENT (500mA/DIV) SWITCH VOLTAGE (10V/DIV) Figure 29. ADP1612/ADP1613 Switching Waveform in Continuous Conduction Mode T TIME (20ms/DIV) VIN = 5V VOUT = 12V ILOAD = 250mA L = 6.8µH fSW = 1.3MHz OUTPUT VOLTAGE (5V/DIV) INDUCTOR CURRENT (2A/DIV) SWITCH VOLTAGE (10V/DIV) EN PIN VOLTAGE (5V/DIV) Figure 30. ADP1612/ADP1613 Start-Up from VIN, CSS =33 nF T TIME (20ms/DIV) VIN = 5V VOUT = 12V ILOAD = 250mA L = 6.8µH fSW = 1.3MHz OUTPUT VOLTAGE (5V/DIV) SWITCH VOLTAGE (10V/DIV) EN PIN VOLTAGE (5V/DIV) INDUCTOR CURRENT (2A/DIV) Figure 31. ADP1612/ADP1613 Start-Up from VIN, CSS =100 nF T TIME (400µs/DIV) VIN = 5V VOUT = 12V ILOAD = 250mA L = 6.8µH fSW = 1.3MHz OUTPUT VOLTAGE (5V/DIV) INDUCTOR CURRENT (500mA/DIV) SWITCH VOLTAGE (10V/DIV) EN PIN VOLTAGE (5V/DIV) Figure 32. ADP1612/ADP1613 Start-Up from Shutdown, CSS = 33 nF T TIME (400µs/DIV) VIN = 5V VOUT = 12V ILOAD = 250mA L = 6.8µH fSW = 1.3MHz OUTPUT VOLTAGE (5V/DIV) INDUCTOR CURRENT (500mA/DIV) SWITCH VOLTAGE (10V/DIV) EN PIN VOLTAGE (5V/DIV) Figure 33. ADP1612/ADP1613 Start-Up from Shutdown, CSS = 100 nF |
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