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XCM517AC07DR Datasheet(PDF) 9 Page - Torex Semiconductor |
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XCM517AC07DR Datasheet(HTML) 9 Page - Torex Semiconductor |
9 / 28 page 9/28 XCM517 Series ■ELECTRICAL CHARACTERISTICS (Continued) ●PFM Switching Current (IPFM) by Oscillation Frequency and Setting Voltage (mA) 1.2MHz 3.0MHz SETTING VOLTAGE MIN. TYP. MAX. MIN. TYP. MAX. VOUT(E) ≦1.2V 140 180 240 190 260 350 1.2V<VOUT(E) ≦1.75V 130 170 220 180 240 300 1.8V≦VOUT(E) 120 160 200 170 220 270 ●Input Voltage (VIN) for Measuring Maximum PFM Switching Current (MAXIPFM) Limit fOSC 1.2MHz 3.0MHz (C-1) V OUT(E)+0.5V V OUT(E)+1.0V Minimum operating voltage is 2.7V. ex.) Although when V OUT(E) = 1.2V, fOSC = 1.2MHz, (C-1) = 1.7V, the (C-1) becomes 2.7V because of the minimum operating voltage 2.7V. ●Soft-start time by each setting voltage(XCM517Bx series only) PRODUCT SERIES fOSC SETTING VOLTAGE MIN. TYP. MAX. 1200kHz 0.8≦V OUT(E)<1.5 - 250 400μs 1200kHz 1.5≦V OUT(E)<1.8 - 320 500μs 1200kHz 1.8≦V OUT(E)<2.5 - 250 400μs XC517BA 1200kHz 2.5≦V OUT(E)≦4.0 - 320 500μs 1200kHz 0.8≦V OUT(E)<2.5 - 250 400μs XC517BC 1200kHz 2.5≦V OUT(E)≦4.0 - 320 500μs 3000kHz 0.8≦V OUT(E)<1.8 - 250 400μs XC517BB XC517BD 3000kHz 1.8≦V OUT(E) ≦4.0 - 320 500μs |
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