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ADP2165ACPZ-R7 数据表(PDF) 21 Page - Analog Devices |
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ADP2165ACPZ-R7 数据表(HTML) 21 Page - Analog Devices |
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21 / 23 page  Data Sheet ADP2165/ADP2166 Rev. B | Page 21 of 23 REFERENCE DESIGNS See Figure 33 through Figure 36 for the detailed reference designs. ADP2165/ ADP2166 BST FB COMP PGOOD GND VREG SYNC TRK RT SS L1 0.82µH SW PGND EN PVIN CIN 47µF 16V VPVIN = 5V CBST 0.1µF COUT 470µF 6.3V VOUT = 1.2V RTOP 10kΩ RBOT 10kΩ CC 1.5nF RC 33kΩ CSS 22nF AVIN CVREG 1µF CCP 33pF Figure 33. 1.2 V, 5 A/6 A, 620 kHz by Floating the RT Pin Step-Down Regulator Application ADP2165/ ADP2166 BST FB COMP PGOOD GND VREG RT TRK SYNC SS L1 0.6µH SW PGND EN PVIN CIN 47µF 16V VPVIN = 5V CBST 0.1µF COUT 100µF 6.3V VOUT = 1.8V RTOP 20kΩ RBOT 10kΩ CC 680pF RC 27kΩ CSS 22nF AVIN CVREG 1µF CCP 3.3pF 1.2MHz EXT CLOCK Figure 34. 1.8 V, 5 A/6 A Step-Down Regulator Application, Synchronized to 1.2 MHz, 180° Out of Phase with the External Clock ADP2165/ ADP2166 BST FB COMP PGOOD GND VREG TRK RT SYNC SS L1 0.82µH SW PGND EN PVIN CIN 47µF 16V VPVIN = 5V CBST 0.1µF COUT 100µF 6.3V VOUT = 3.3V RTOP 10kΩ RBOT 2.21kΩ CC 680pF RC 51kΩ CSS 22nF AVIN CVREG 1µF CCP 1.8pF RTRKT 10kΩ RTRKB 2.21kΩ VMASTER Figure 35. 3.3 V, 5 A/6 A, 1.2 MHz Step-Down Regulator Application, Tracking Mode |
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