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XC9129 Datasheet(PDF) 5 Page - Torex Semiconductor |
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XC9129 Datasheet(HTML) 5 Page - Torex Semiconductor |
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5 / 13 page  5/13 XC9128/XC9129 Series XC9128/XC9129 Series Topr=25 oC PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNITS CIRCUIT Input Voltage VIN - - - 6.0 V - FB Voltage VFB VOUT=VIN=3.3V, VFO=0V (*8) Voltage to start oscillation during VFB= 0.46V → 0.44V 0.44 0.45 0.46 V ④ Output Voltage Setting Range VOUTSET - 1.8 - 5.3 V ① Connect to external components, RL=1kΩ - - 0.8 V ① Operation Start Voltage VST1 Connect to external components, RL=33Ω - - 0.9 (*1) V ① Oscillation Start Voltage VST2 Voltage to start oscillation during VIN=0V → 1V, RL=1kΩ - 0.8 - V ① Operation Hold Voltage VHLD Connect to external components, RL=1kΩ - 0.7 - V ① Supply Current 1 IDD1 VIN = VOUT =3.3V, VFB=0.45×0.9 - 3 6 mA ② Supply Current 2 (XC9128) - 30 80 Supply Current 2 (XC9129) IDD2 VIN = VOUT =3.3V VFB=0.45×1.1 (Oscillation stop), VMODE=0V - 28 78 μ A ② Input Pin Current IBAT VIN =3.3V, VOUT =1.8V, VEN=0V - 2 10 μ A ③ Stand-by Current ISTB VIN = VOUT =3.3V, VEN=0V - 2 10 μ A ② Oscillation Frequency fOSC VIN = VOUT =3.3V, VFO=0V (*8), VFB=0.45×0.9 1.02 1.20 1.38 MHz ④ Maximum Duty Cycle DMAX VIN = VOUT =3.3V, VFO=0V (*8), VFB=0.45×0.9 85 92 96 % ④ Minimum Duty Cycle DMIN VIN = VOUT =3.3V, VFO=0V (*8), VFB=0.45×1.1 - - 0 % ④ PFM Switching Current IPFM Connect to external components, VMODE=0V, RL=330Ω - 250 400 mA ① Efficiency (*2) EFFI Connect to external components, RL=33Ω - 93 - % ① LX SW "Pch" ON Resistance RLxP VIN=VLx=VOUT+50mV, VFB=0.45×1.1 (*3) - 0.20 0.35 (*1) Ω ⑤ LX SW "Nch" ON Resistance RLxN VIN=VOUT=3.3V, Lx =50mV (*4) - 0.20 (*1) 0.35 (*1) Ω ⑦ LX Leak Current ILXL VIN=VOUT= VLX, VFB=0V - 1 - μ A ⑤ Current Limit (*5) ILIM VOUT>2.5V 1.2 1.5 2.0 A ① Integral Latch Time (XC9128) (*6) Time to stop oscillation during RL=33Ω → 3.3Ω, VFO=L → H Integral Latch Time (XC9129) (*6) tLAT Time to stop oscillation during RL=33Ω → 3.3Ω - 3.5 - ms ① Soft-Start Time 1 tSS1 Time to start oscillation during VEN=0V → VIN at VIN = VOUT =3.3V, VFO=0V, VFB=0.45×0.95 1.7 5.3 10.5 ms ④ Soft-Start Time 2 (*7) tSS2 VIN = VOUT =3.3V, VFO=0V, VFB=0.45×0.95 Time to start oscillation during VAEN/=VIN→0V. - 0.02 0.04 ms ④ Soft-Start Time 3 (*7) tSS3 VIN = VOUT =3.3V, VFO=0V, VFB=0.45×0.8 Time to start oscillation during VAEN/=VIN→0V 1.7 5.3 10.5 ms ④ Thermal Shutdown Temperature TTSD - - 150 - oC - Hysteresis Width THYS - - 20 - oC - Output Voltage Drop Protection (*6) VLVP VIN =3.3V Voltage to stop oscillation during VOUT=1.56V→1.3V 1.3 1.48 1.56 V ⑥ FO Output Current (*7) IFO_OUT VIN =VOUT=3.3V, VFO=0.25V 1.3 1.7 2.2 mA ④ FO Leakage Current (*7) IFO_Leak VIN = VOUT =3.3V, VEN=0V ,VFO=1V - 0 1 μ A ④ ■ ELECTRICAL CHARACTERISTICS |
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