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XC9213 Datasheet(PDF) 4 Page - Torex Semiconductor |
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XC9213 Datasheet(HTML) 4 Page - Torex Semiconductor |
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4 / 34 page  4/34 XC9213 Series PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNITS CIRCUIT Input Voltage (*2) VIN 4.0 - 25.0 V - Output Voltage Setting Range VOUTSET 1.5 - 15.0 V - FB Control Voltage VFB 0.980 1.000 1.020 V 1 U.V.L.O. Voltage UVLO Voltage which EXT1 pin starts oscillation 1.0 1.5 2.0 V 2 Supply Current 1 IDD1 CE=VIN, FB=0.9V - 550 800 μA 3 Supply Current 2 IDD2 CE=VIN, FB=1.1V - 450 600 μA 3 Stand-by Current ISTB CE=FB=0V - - 4.0 μA 4 Oscillation Frequency FOSC CE=VIN, FB=0.9V 255 300 345 kHz 5 Maximum Duty Ratio 1 MAXDTY1 CE=VIN, FB=0.9V 91 95 - % 5 Maximum Duty Ratio 2 MAXDTY2 CE=VIN, FB=1.1V - 98 - % 5 PFM Duty Ratio PFMDTY With external components, VOUT=3V, MODE=0V, IOUT=1mA, No RSENSE 2.5 3.0 3.9 μs 6 Sense Voltage VSENSE Voltage which EXT1 pin stops oscillation 145 170 200 mV 7 CPRO time TPRO CPRO=4700pF, VSENSE=0V 0.5V, Time until VDOUT inverts H to L 2.3 4.7 9.4 ms 8 Soft-Start Time TSS With external components, CSS=4700pF, CE=0V 3V, Time until voltage becomes VOUT x 0.95 4 8 21 ms 9 Short Protection Circuit Operating Voltage VSHORT VIN-VSENSE: 0.3V fixed, FB: SWEEP. Voltage which VDOUT inverts H to L 0.15 0.40 0.72 V 25 Efficiency EFFI With external components, IOUT=1A, VOUT=3.0V - 93 - % 10 CE "H" Voltage VCEH Voltage which EXT1 pin starts oscillation 1.4 - - V 11 CE "L" Voltage VCEL Voltage which EXT1 pin voltage holding "L" level - - 0.4 V 11 MODE "H" Voltage VMODEH Voltage which EXT2 pin starts oscillation 1.4 - - V 12 MODE "L" Voltage VMODEL Voltage which EXT2 pin voltage holding "L" level - - 0.4 V 12 EXT1 "H" ON Resistance REXT1H FB=0.9V, EXT1=3.6V - 18 23 Ω 13 EXT1 "L" ON Resistance REXT1L FB=1.1V, EXT1=0.4V - 11 18 Ω 14 EXT2 "H" ON Resistance REXT2H FB=1.1V, EXT1=3.6V - 18 23 Ω 15 EXT2 "L" ON Resistance REXT2L FB=0.9V, EXT2=0.4V - 4 8 Ω 16 Dead Time 1 TDT1 With external components, EXT1: H L, EXT2: L H - 100 - ns 10 Dead Time 2 TDT2 With external components, EXT2: H L, EXT1: L H - 60 - ns 10 CE "H" Current ICEH CE=5.0V - - 0.1 μA 17 CE "L" Current ICEL CE=0V -0.1 - - μA 17 MODE "H" Current IMODEH MODE=5.0V - - 0.1 μA 18 MODE "L" Current IMODEL MODE=0V -0.1 - - μA 18 CSS Current ICSS CSS=0V -4.0 -2.0 - μA 19 FB "H" Current IFBH FB=5.0V - - 0.1 μA 20 FB "L" Current IFBL FB=0V -0.1 - - μA 20 ■ELECTRICAL CHARACTERISTICS XC9213B103 (FOSC = 300kHz) Ta=25OC |
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