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Content | Rev. 0 | Page 7 of 20 4 100 90 80 70 60 50 40 30 0123 OUTPUT CURRENT (A) EFFICIENCY (%) 09944-004 INDUCTOR: COILCRAFT MSS1038-152NLB VOUT = 0.6V VOUT = 1.0V VOUT = 1.2V VOUT = 1.8V VOUT = 2.5V 图4. 效率与输出电流的关系(VIN = 3.3 V,fS = 600 kHz) 100 90 80 70 60 50 40 30 0123 OUTPUT CURRENT (A) EFFICIENCY (%) 09944-005 4 INDUCTOR: COILCRAFT MSS1038-102NLB VOUT = 0.6V VOUT = 1.0V VOUT = 1.2V VOUT = 1.8V VOUT = 2.5V 图5. 效率与输出电流的关系(VIN = 3.3 V,fS = 1.2 MHz) 1050 1000 950 900 850 800 750 2.73.13.53.94.34.75.15.55.96.3 VIN (V) QUIESCENT CURRENT (µA) 09944-006 TJ = –40°C TJ = +25°C TJ = +125°C 图6. 静态电流与VIN(无开关切换)的关系 100 90 80 70 60 50 40 30 0123 OUTPUTCURRENT(A) EFFICIENCY( 4 %) 09944-007 INDUCTOR:COILCRAFT MSS1038-152NLB VOUT=0.6V VOUT=1.0V VOUT=1.2V VOUT=1.8V VOUT=2.5V VOUT=3.3V 图7. 效率与输出电流的关系(VIN = 5 V,fS = 600 kHz) 100 90 80 70 60 50 40 30 0123 OUTPUT CURRENT (A) EFFICIENCY (%) 09944-008 4 INDUCTOR: COILCRAFT MSS1038-102NLB VOUT = 1.0V VOUT = 1.2V VOUT = 1.8V VOUT = 2.5V VOUT = 3.3V 图8. 效率与输出电流的关系(VIN = 5 V,fS = 1.2 MHz) 11 10 9 8 7 6 5 4 2.73.13.53.94.34.75.15.55.96.3 VIN (V) SHUTDOWN CURRENT (µA) 09944-009 TJ = –40°C TJ = +25°C TJ = +125°C 图9. 关断电流与VIN的关系 ADP2164 典型工作特性 除非另有说明,TJ = 25°C,VIN = 5 V,VOUT = 1.2 V,L = 1 H,CIN = 47 F,COUT = 100 F。 |
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Following Datasheets | ADP222_223_224_225_cn_1 (24 pages) ADP2323_cn_1 (32 pages) ADP2370_2371_cn (32 pages) ADP2384_cn (24 pages) ADP2386_cn (24 pages) ADP2441_cn (32 pages) ADP2442_cn (36 pages) ADP5034_cn_1 (28 pages) ADP5041_cn (40 pages) ADP5061_CN (44 pages) |
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