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RT8271 Datasheet(PDF) 2 Page - Richtek Technology Corporation |
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RT8271 Datasheet(HTML) 2 Page - Richtek Technology Corporation |
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2 / 15 page  RT8271 2 DS8271-02 March 2011 www.richtek.com VOUT (V) R1 (k Ω) R2 (k Ω) RC (kΩ) CC (nF) L ( μH) COUT (μF) 15 154 10 68 0.56 22 22 10 100 10 49.9 0.82 15 22 8 76.8 10 49.9 1 10 22 5 44.2 10 33 1.2 6.8 22 3.3 25.5 10 22 1.5 4.7 22 2.5 16.9 10 15 1.5 4.7 22 1.8 9.53 10 12 1.5 2.2 22 1.2 3 10 12 1.5 2.2 22 Table 1. Recommended Component Selection Function Block Diagram Typical Application Circuit VIN EN GND BOOT FB SW L1 4.7µH CBOOT 10nF COUT 22µF/6.3V R1 16.9k R2 10k VOUT 2.5V CIN 10µF/25V Chip Enable VIN 4.75V to 24V RT8271 D1 B230A SS CSS 10nF COMP CC 1.5nF RC 15k CP NC VA + - + - + - UV Comparator Oscillator 1.2MHz/440kHz Foldback Control 0.5V Internal Regulator + - 1V 1µA Shutdown Comparator Current Sense Amplifier BOOT VIN GND SW FB EN COMP 3V 10k VA VCC VCC Slope Comp Current Comparator SS 10µA VCC + - EA 0.92V Gm = 920µA/V + Logic |
Similar Part No. - RT8271 |
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Similar Description - RT8271 |
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