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MIC3231 数据表(PDF) 2 Page - Micrel Semiconductor |
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MIC3231 数据表(HTML) 2 Page - Micrel Semiconductor |
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2 / 19 page  Micrel, Inc. MIC3230/1/2 November 2009 2 M9999-113009-B Typical Application L 47µH D1 R8 100k R9 4.33k COUT 4.7µF 100V R2 100k RADJ 1/4W RFS 16.5k CCOMP 10nF CIN 4.7µF/50v RSLC 51 VFB = 0.25V RCS 1/2W Analog ground Power ground VOUT VIN PWMD ENABLE Synch to other MIC3230 ILED Return LED 1 LED X Q1 COMP PWMD VDD AGND PGND EPAD IS OVP DRV VIN EN IADJ MIC3230/31 SYNC FS C3 10µF 10V Figure 1. Typical Application of the MIC3230 LED Driver Product Option Matrix MIC3230 MIC3231 MIC3232 Input Voltage 6V to 45V 6V to 45V 6V to 45V Synchronization Yes No No Dither No Yes No Frequency Range Adj from 100kHz to 1MHz Adj from 100kHz to 1MHz Fixed Freq. = 400kHz Package 16-pin EPAD TSSOP 12-pin 3mm × 3mm MLF ® 16-pin EPAD TSSOP 12-pin 3mm × 3mm MLF ® 10-pin MSOP Ordering Information Part Number Temperature Range Package Lead Finish MIC3230YTSE –40° to +125°C 16-pin EPAD TSSOP Pb-Free MIC3230YML –40° to +125°C 12-pin 3mm x 3mm MLF ® Pb-Free MIC3231YTSE –40° to +125°C 16-pin EPAD TSSOP Pb-Free MIC3231YML –40° to +125°C 12-pin 3mm x 3mm MLF ® Pb-Free MIC3232YMM –40° to +125°C 10-pin MSOP Pb-Free |
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