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MP8770 数据表(PDF) 21 Page - Monolithic Power Systems |
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MP8770 数据表(HTML) 21 Page - Monolithic Power Systems |
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21 / 23 page ![]() MP8770 – 17V, 8A, SYNCHRONOUS, STEP-DOWN CONVERTER MP8770 Rev. 1.0 www.MonolithicPower.com 21 1/4/2018 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2018 MPS. All Rights Reserved. TYPICAL APPLICATION CIRCUITS (continued) VIN VCC EN PG FB SS PG C5 22nF EN VIN C1 22µF SW BST C3 0.1µF VOUT C2 22µF R1 20kΩ R2 10kΩ 1.8V C4 1µF L1 0.82µH MP8770 12V 8 3 7 14 9,10,11, 12,13 5 6 4 16 2 NC 1,15 C2A 22µF C2B 22µF C2C 22µF C1A 22µF C6 56pF R3 0Ω R4 1kΩ R5 100kΩ R6 100kΩ C1B 0.1µF Figure 12: VIN = 12V, VOUT = 1.8V, IOUT = 8A(7) VIN VCC EN PG FB SS PG C5 22nF EN VIN C1 22µF SW BST C3 0.1µF VOUT C2 22µF R1 20kΩ R2 6.34kΩ 2.5V C4 1µF L1 0.82µH MP8770 12V 8 3 7 14 9,10,11, 12,13 5 6 4 16 2 NC 1,15 C2A 22µF C2B 22µF C2C 22µF C1A 22µF C6 56pF R3 0Ω R4 1kΩ R5 100kΩ R6 100kΩ C1B 0.1µF Figure 13: VIN = 12V, VOUT = 2.5V, IOUT = 8A(7) VIN VCC EN PG FB SS PG C5 22nF EN VIN C1 22µF SW BST C3 0.1µF VOUT C2 22µF R1 20kΩ R2 4.42kΩ 3.3V C4 1µF L1 1µH MP8770 12V 8 3 7 14 9,10,11, 12,13 5 6 4 16 2 NC 1,15 C2A 22µF C2B 22µF C2C 22µF C1A 22µF C6 56pF R3 0Ω R4 1kΩ R5 100kΩ R6 100kΩ C1B 0.1µF Figure 14: VIN = 12V, VOUT = 3.3V, IOUT = 8A(7) |
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