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SP7650EB 데이터시트(PDF) 1 Page - Sipex Corporation |
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SP7650EB 데이터시트(HTML) 1 Page - Sipex Corporation |
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1 / 10 page ![]() Date: 01/04/05 SP7650 Evaluation BoardManual Copyright 2005 Sipex Corporation SP7650EB SCHEMATIC 12V C1 CERAMIC 1210 X5R 16V CBST 6,800pF R3 200k,1% L1 6.8uH C1 22uF CVCC 2.2uF U1 SP7650 PGND 1 PGND 2 PGND 3 GND 4 VFB 5 COMP 6 UVIN 7 GND 8 SS 9 VIN 10 VIN 11 VIN 12 VIN 13 LX 14 LX 15 LX 16 NC 17 BST 18 GND 19 GND 20 GND 21 VCC 22 LX 23 LX 24 LX 25 LX 26 DBST CSS 47nF CP1 22pF 3.30V 0-3A R2 21.5k,1% GND C3 22uF C3 CERAMIC 1210 X5R 6.3V VIN SD101AWS VOUT RZ3 7.15k,1% GND2 R4 100k,1% C2 0.1uF CZ3 150pF CZ2 1,000pF R1 68.1k,1% RZ2 15k,1% CF1 100pF fs=300Khz Vz=5.6V 1210 D1 BZX384B5V6 R6 464,5% All resistor & capacitor size 0603 unless other wise specify U1 Bottom-Side Layout should has three Contacts which are isolated from one of another, QT & QB Drain Contact and Controller GND Contact Notes: RBST 20 Easy Evaluation for the SP7650ER 12V Input, 0 to 3A Output Synchronous Buck Converter Built in Low Rds(on) Power FETs UVLO Detects Both VCC and VIN High Integrated Design, Minimal Components High Efficiency: 90% Feature Rich: UVIN, Programmable Softstart, External VCC Supply and Output Dead Short Circuit Shutdown SP7650 Evaluation Board Manual |
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