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XC9223D02AL Datasheet(PDF) 6 Page - Torex Semiconductor |
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XC9223D02AL Datasheet(HTML) 6 Page - Torex Semiconductor |
6 / 25 page 6/25 XC9223/XC9224 Series PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNIT CIRCUIT Input Voltage VIN 2.5 - 6.0 V - FB Voltage VFB 0.784 0.800 0.816 V ① Output Voltage Setting Range VOUTSET 0.9 - VIN V ③ Maximum Output Current 1 (*1) IOUTMAX1 0.4 - - A ③ Maximum Output Current 2 (*1) IOUTMAX2 1.0 - - A ③ U.V.L.O. Voltage VUVLO FB=VFB x 0.9, VIN Voltage which Lx pin voltage holding ‘L’ level (*8) 1.55 1.80 2.00 V ① Supply Current 1 IDD1 FB=VFB x 0.9, MODE/SYNC=0V D1-1 (*2) μA ② Supply Current 2 IDD2 FB=VFB x 1.1 (Oscillation stops), MODE/SYNC=0V D1-2 (*2) μA ② Stand-by Current ISTB CE=0V D1-6 (*2) μA ② Oscillation Frequency FOSC Connected to external components, IOUT=10mA D1-3 (*2) MHz ③ External Clock Signal Synchronized Frequency SYNCOSC Connected to external components, IOUT=10mA, apply an external clock signal to the MODE/SYNC D1-4 (*2) MHz ④ External Clock Signal Cycle SYNCDTY 25 - 75 % ④ Maximum Duty Cycle MAXDTY FB=VFB x 0.9 100 - - % ① Minimum Duty Cycle MINDTY FB=VFB x 1.1 - - 0 % ① PFM Switch Current IPFM Connected to external components, MODE/SYNC=0V, IOUT=10mA - 200 250 mA ③ Efficiency (*3) EFFI Connected to external components, VIN=5.0V, VOUT=3.3V, IOUT=200mA - 95 - % ③ Lx SW ‘H’ On Resistance (*4) RLxH FB=VFB x 0.9, ILx=VIN-0.05V - 0.21 0.3 (*7) Ω ① Lx SW ‘L’ On Resistance RLxL - 0.23 0.3 (*7) Ω - Current Limit 1 ILIM1 LIM=0V 0.6 - 0.9 A ① Current Limit 2 ILIM2 LIM=VIN 1.2 - 2.0 A ① Integral Latch Time (*5) TLAT FB=VFB x 0.9, Short Lx by 1 Ω resistance D1-5 (*2) ms ① Short Detect Voltage VSHORT FB Voltage which Lx becomes ‘L’ (*8) 0.3 0.4 0.5 V ① Soft-Start Time TSS CE=0V →VIN, IOUT=1mA 0.5 1.0 2.0 ms ① Thermal Shutdown Temperature TTSD - 150 - OC - Hysteresis Width THYS - 20 - OC - CE ‘H’ Voltage VCEH FB=VFB x 0.9, Voltage which Lx becomes ‘H’ after CE voltage changed from 0.4V to 1.2V (*8) 1.2 - - V ① CE ‘L’ Voltage VCEL FB=VFB x 0.9, Voltage which Lx becomes ‘L’ after CE voltage changed from 1.2V to 0.4V (*8) - - 0.4 V ① MODE/SYNC ‘H’ Voltage VMODE/SYNCH 1.2 - - V ③ MODE/SYNC ‘L’ Voltage VMODE/SYNCL - - 0.4 V ③ LIM ‘H’ Voltage VLIMH 1.2 - - V ① LIM ‘L’ Voltage VLIML IOUT=ILIM1 x 1.1, Check LIM voltage which Lx oscillated after CE voltage changed from 1.2V to 0.4V - - 0.4 V ① CE ‘H’ Current ICEH VIN=CE=6.0V - - 0.1 A ⑤ CE ‘L’ Current ICEL VIN=6.0V, CE=0V - 0.1 - - μA ⑤ MODE/SYNC ‘H’ Current IMODE/SYNCH VIN=6.0V - - 0.1 μA ⑤ MODE/SYNC ‘L’ Current IMODE/SYNCL VIN=6.0V, MODE/SYNC=0V - 0.1 - - μA ⑤ LIM ‘H’ Current ILIMH VIN=LIM=6.0V - - 0.1 μA ⑤ LIM ‘L’ Current ILIML VIN=6.0V, LIM=0V - 0.1 - - μA ⑤ FB ‘H’ Current IFBH VIN=FB=6.0V - - 0.1 μA ⑤ FB ‘L’ Current IFBL VIN=6.0V, FB=0V - 0.1 - - μA ⑤ Lx SW ‘H’ Leak Current ILeakH VIN=Lx=6.0V, CE=0V - - 1.0 μA ⑥ Lx SW ‘L’ Leak Current (*6) ILeakL VIN=6.0V, Lx=CE=0V - 3.0 - - μA ⑥ XC9223/XC9224 Series Topr=25 ℃ ■ELECTRICAL CHARACTERISTICS |
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