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LTC1530CS8 数据表(PDF) 22 Page - Linear Technology |
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LTC1530CS8 数据表(HTML) 22 Page - Linear Technology |
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22 / 24 page ![]() 22 LTC1530 LTC1530 Synchronous SEPIC Converter LOAD CURRENT (A) 0 0.1 0.5 1.0 1.5 2.0 2.5 3.0 3.5 1530 TA08b 4.0 100 90 80 70 60 50 40 30 20 10 0 TA = 25°C VIN = 8V VIN = 4V Efficiency vs Load Current GND FB 1 4 5 5 2 4 6 6 7 8 3 2 3 1 SHDN SW VIN VC R8 33k R7 300k R6 2.2M CC 0.22 µF C1 1000pF C6 100pF C9 4.7 µF D1 MBR0520 Q1 N-MOSFET D2 1N4148 Q2 P-MOSFET L1B • • L1A L2 10 µH VOUT 5V 4A VOUT COUT C2 10 µF 1530 TA08a R9 5.6 Ω C8 4.7 µF C7 3000pF + + C4 0.1 µF C3 10 µF + + + + C5 4.7 µF + RC 4.7k R1 2.2k R5 20 Ω RSENSE 0.02 Ω VIN 4V TO 8V CIN CFLY IFB PVCC IMAX LTC1530-ADJ LT1317 VSENSE R3 3.09k R4 1k R2 10k GND G1 G2 4 8 7 3 1 LTC1693-3 CIN, COUT = 3× SANYO 10MV1200GX CFLY = 2× SANYO 16SA150MK L1 = COILTRONIX CTX02-13198-1 (L1A = 1,2,3 → 7,8,9; L1B = 10,11,12 → 4,5,6) L2 = SUMIDA CD43-100 Q1 = SILICONIX N-MOSFET SI4420DY Q2 = SILICONIX P-MOSFET SI4425DY RSENSE = DALE LVR-3 3W COMP 1,2,3 4,5,6 10,11,12 7,8,9 TYPICAL APPLICATIO S |
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