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MIC2182 Datasheet(PDF) 9 Page - Micrel Semiconductor |
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MIC2182 Datasheet(HTML) 9 Page - Micrel Semiconductor |
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9 / 28 page  June 2000 9 MIC2182 MIC2182 Micrel Low Comp Current Limit Skip-Mode Current Limit Hysteresis Comp 0.07V –2%VBG Error Amp Control Logic VIN VDD PWM CORRECTIVE RAMP RESET Reference Oscillator 0.024V EN/UVLO 6 11 14 10 16 15 13 12 8 9 4 7 1 2 5 3 SS PWM SYNC COMP VREF 100k Gm = 0.2×10 -3 MIC2182-x.x SGND R2 50k R1* VOUT CSH VDD VBST CIN VIN HSD Q2 Q1 D1 D2 CBST RCS COUT VIN VOUT L1 VSW LSD PGND CCOMP RCOMP 4.7 µF * 82.5k for 3.3V Output 150k for 5V Output AV = 2 Current Sense Amp PWM Mode to Skip Mode Figure 2b. Fixed Output Voltage Versions |
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