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MIC2179 Datasheet(PDF) 6 Page - Micrel Semiconductor |
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MIC2179 Datasheet(HTML) 6 Page - Micrel Semiconductor |
6 / 13 page Micrel, Inc. MIC2179 June 2009 6 M9999-063009 Block Diagram SW PGND ISENSE Amp. PWM/ Skip-Mode Select VREF1.245V 110mΩ N-channel 110mΩ P-channel COMP VIN Skip-Mode Comp. ILIMIT Comp. Output Control Logic Power Good Comp. 1.13V R S Q 200kHz Oscillator PWM Comp. 3.3V Regulator UVLO, Thermal Shutdown VOUT L FB SGND CC PWRGD 0.01µF EN BIAS VIN 4.5V to 16.5V 100µF SYNC COUT MIC2179 [Adjustable] internal supply Voltage Enable Shutdown Stop 15 14 13 6 8 17 16 3 D 1 2 19 20 R1 R2 7 9 10 11 12 Bold lines indicate high current traces ILIMIT Thresh. Voltage PWM Skip Mode PWM Mode 5 VIN Output Good 20k * * Connect SGNDto PGND RC Reset Pulse Corrective Ramp VOUT 1.245 R1 R2 1 R3 4.02k VOUT = 1.245 ( + 1) R1 R2 |
Similar Part No. - MIC2179_09 |
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Similar Description - MIC2179_09 |
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