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ADP2386ACPZN-R7 数据表(PDF) 22 Page - Analog Devices |
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ADP2386ACPZN-R7 数据表(HTML) 22 Page - Analog Devices |
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22 / 24 page ![]() ADP2386 Data Sheet Rev. A | Page 22 of 24 TYPICAL APPLICATIONS CIRCUITS ADP2386 BST FB COMP PGOOD GND SYNC SW PGND EN PVIN VIN = 12V CIN 10µF 25V COUT1 470µF 6.3V COUT2 10µF 6.3V L1 1µH CBST 0.1µF VOUT = 1.2V RTOP 10kΩ 1% RBOT 10kΩ 1% CCP 68pF CC 1.5nF RC 66.5kΩ VREG RT SS CSS 22nF CVREG 1µF RT 124kΩ Figure 37. Typical Applications Circuit, VIN = 12 V, VOUT = 1.2 V, IOUT = 6 A, fSW = 500 kHz ADP2386 BST FB COMP PGOOD GND SYNC SW PGND EN PVIN VIN = 12V CIN 10µF 25V COUT1 100µF 6.3V COUT2 100µF 6.3V COUT3 100µF 6.3V L1 1.5µH CBST 0.1µF VOUT = 1.8V RTOP 20kΩ 1% RBOT 10kΩ 1% CCP 8.2pF CC 1.2nF RC 47kΩ RT VREG SS CVREG 1µF RPGOOD 100kΩ RT 100kΩ Figure 38. Typical Applications Circuit Using Internal Soft Start, VIN = 12 V, VOUT = 1.8 V, IOUT = 6 A, fSW = 600 kHz ADP2386 BST FB COMP PGOOD GND SYNC SW PGND EN PVIN VIN = 12V CIN 10µF 25V COUT 100µF 6.3V L1 3.3µH CBST 0.1µF VOUT = 5V RTOP 22kΩ 1% RBOT 3kΩ 1% CCP 2.2pF CC 1.2nF RC 44.2kΩ RT VREG SS CVREG 1µF CSS 22nF RBOT_EN 2kΩ RTOP_EN 16.9kΩ RT 100kΩ Figure 39. Programming Input Voltage UVLO Rising Threshold at 11 V, Falling Threshold at 10 V, VIN = 12 V, VOUT = 5 V, IOUT = 6 A, fSW = 600 kHz |
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