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XCM524BC05DR-G Datasheet(PDF) 11 Page - Torex Semiconductor |
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XCM524BC05DR-G Datasheet(HTML) 11 Page - Torex Semiconductor |
11 / 52 page 11/52 XCM524 Series ■ELECTRICAL CHARACTERISTICS (Continued) ●PFM Switching Current (IPFM) by Oscillation Frequency and Output Voltage 1.2MHz (mA) SETTING VOLTAGE MIN. TYP. MAX. VDCOUT(T)≦1.2V 140 180 240 1.2V<VDCOUT(T)≦1.75V 130 170 220 1.8V≦VDCOUT(T) 120 160 200 3.0MHz (mA) SETTING VOLTAGE MIN. TYP. MAX. VDCOUT(T)≦1.2V 190 260 350 1.2V<VDCOUT(T)≦1.75V 180 240 300 1.8V≦VDCOUT(T) 170 220 270 ●Measuring Maximum IPFM Limit, VIN2 Voltage fOSC 1.2MHz 3.0MHz (C-1) VDCOUT(T)+0.5V VDCOUT(T)+1.0V Minimum operating voltage is 2.7V Although when VDCOUT(T)=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 Chart (XCM524xC/ XCM524xD Series Only) PRODUCT SERIES fOSC OUTPUT VOLTAGE MIN. TYP. MAX. 1.2MHz 0.8V≦VDCOUT(T)<1.5V - 250μs 400μs 1.2MHz 1.5V≦VDCOUT(T)<1.8V - 320μs 500μs 1.2MHz 1.8V≦VDCOUT(T)<2.5V - 250μs 400μs XCM524AC 1.2MHz 2.5V≦VDCOUT(T)≦4.0V - 320μs 500μs 1.2MHz 0.8V≦VDCOUT(T)<2.5V - 250μs 400μs XCM524BC 1.2MHz 2.5V≦VDCOUT(T)≦4.0V - 320μs 500μs 3.0MHz 0.8V≦VDCOUT(T)<1.8V - 250μs 400μs XCM524xD 3.0MHz 1.8V≦VDCOUT(T)≦4.0V - 320μs 500μs ■TYPICAL APPLICATION CIRCUIT ● DC/DC BLOCK fOSC=3.0MHz CIN1 : 1μF (Ceramic) CL1 : 1μF (Ceramic) L : 1.5μH (NR3015 TAIIYO YUDEN) CIN2 : 4.7μF (Ceramic) CL2 : 10μF (Ceramic) ● DC/DC BLOCK fOSC =1.2MHz CIN1 : 1μF (Ceramic) CL1 : 1μF (Ceramic) L : 4.7μH (NR4018 TAIIYO YUDEN) CIN2 : 4.7μF (Ceramic) CL2 : 10μF (Ceramic) L VIN CIN2 7 8 9 10 3 4 5 6 NC Lx VIN1 EN2 AGND DCOUT 11 12 2 1 VSS Cd PGND VIN2 CIN1 CL2 CL1 VDCOUT EN2 VDOUT VROUT Rpull-up Cd VROUT VDOUT |
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Similar Description - XCM524BC05DR-G |
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