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MP2269GD 데이터시트(PDF) 17 Page - Monolithic Power Systems |
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MP2269GD 데이터시트(HTML) 17 Page - Monolithic Power Systems |
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17 / 19 page ![]() MP2269 - 30V, 1A, LOW IQ, SYNCHRONOUS STEP-DOWN CONVERTER MP2269 Rev. 1.0 www.MonolithicPower.com 17 10/11/2016 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2016 MPS. All Rights Reserved. TYPICAL APPLICATION CIRCUITS (9) MP2269 VIN EN VIN FREQ FB BST VOUT SW NC VCC BIAS PG SS 12V MODE C1C 0.1μF R5 100kΩ C1A 10μF R6 NS R3 165kΩ C5 1μF C3 12nF C7 NS C4 1μF R4 0Ω L1 8.2μH C2A 22μF C2B 22μF C2C 0.1μF R7 10Ω R1 1MΩ R2 191kΩ C6 5.6pF R8 0Ω EN PG 5V/1A MODE BIAS R9 100kΩ 2 4 6 11 15 13 12 3, 8 5 7 1 14 9 10 Figure 7: V IN = 12V, VOUT = 5V MP2269 VIN EN VIN FREQ FB BST VOUT SW NC VCC BIAS PG SS 12V MODE C1C 0.1μF R5 100kΩ C1A 10μF R6 NS R3 165kΩ C5 1μF C3 12nF C7 NS C4 1μF R4 0Ω L1 6.5μH C2A 22μF C2B 22μF C2C 0.1μF R7 10Ω R1 1MΩ R2 324kΩ C6 5.6pF R8 0Ω EN PG 3.3V/1A MODE BIAS R9 100kΩ 2 4 6 11 15 13 12 3, 8 5 7 1 14 9 10 Figure 8: V IN = 12V, VOUT = 3.3V MP2269 VIN EN VIN FREQ FB BST VOUT SW NC VCC BIAS PG SS 12V MODE C1C 0.1μF R5 100kΩ C1A 10μF R6 NS R3 165kΩ C5 1μF C3 12nF C7 NS C4 1μF R4 0Ω L1 6.5μH C2A 22μF C2B 22μF C2C 0.1μF R7 10Ω R1 1MΩ R2 470kΩ C6 5.6pF R8 0Ω EN PG 2.5V/1A MODE BIAS R9 100kΩ 2 4 6 11 15 13 12 3, 8 5 7 1 14 9 10 Figure 9: V IN = 12V, VOUT = 2.5V |
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