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XC9260A34DER-G Datasheet(PDF) 6 Page - Torex Semiconductor |
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XC9260A34DER-G Datasheet(HTML) 6 Page - Torex Semiconductor |
6 / 28 page 6/28 XC9260/XC9261Series ■ ELECTRICAL CHARACTERISTICS XC9260/XC9261 Series Ta=25℃ PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNITS CIRCUIT Output Voltage VOUT When connected to external components, IOUT=30mA <E-1> <E-2> <E-3> V ① Operating Voltage Range VIN - 2.7 - 5.5 V ① Maximum Output Current IOUTMAX When connected to external components (*1), VIN =<C -1> 1500 - - mA ① UVLO Voltage (*2) VUVLO VOUT=0.6V,Voltage which Lx pin holding “L” level (*6) 1.35 2.0 2.68 V ③ fOSC=1.2MHz - 15.0 25.0 Quiescent Current (XC9261) Iq VOUT =VOUT(T) × 1.1V fOSC=3.0MHz - 25.0 40.0 μ A ② fOSC=1.2MHz - 250 450 Quiescent Current (XC9260) Iq VOUT =VOUT(T) × 1.1V fOSC=3.0MHz - 400 825 μ A ② Stand-by Current ISTB VCE=0.0V - 0.0 1.0 μ A ② Minimum ON time tONmin When connected to external components, VIN = <C-1>, IOUT = 1mA <E-5> <E-6> <E-7> ns ① Thermal shutdown TTSD - - 150 - ℃ ① Thermal shutdown hysteresis THYS - - 30 - ℃ ① Lx SW ”H” ON Resistance RLXH VOUT=0.6V, ILX=100mA (*3) - 0.14 0.28 Ω ④ Lx SW ”L” ON Resistance (*4) RLXL VOUT=VOUT(T) V × 1.1, ILX=100mA (*3) - 0.10 0.20 Ω ④ Lx SW ”H” Leakage Current ILeakH VIN=5.5V, VCE=0V, VOUT=0V, VLX=0.0V - 0.0 1.0 μ A ⑤ Lx SW ”L” Leakage Current IleakL VIN=5.5V, VCE=0V, VOUT=0V, VLX=5.5V - 0.0 30.0 μ A ⑤ Current Limit (*5) ILIMH VOUT=0.6V, ILx until Lx pin oscillates 2.5 3.0 4.5 A ⑥ Output Voltage Temperature Characteristics ∆VOUT/ (VOUT・∆Topr) IOUT=30mA, -40℃≦Topr≦105℃ - ±100 - ppm/℃ ① CE ”H” Voltage VCEH VOUT=0.6V, Applied voltage to VCE, Voltage changes Lx to “H” level (*6) 1.40 - VIN V ③ CE ”L” Voltage VCEL VOUT=0.6V, Applied voltage to VCE, Voltage changes Lx to “L” level (*6) VSS (*7) - 0.30 V ③ CE ”H” Current ICEH VIN=5.5V, VCE=5.5V, VOUT=0.0V -0.1 - 0.1 μ A ⑤ CE ”L” Current ICEL VIN=5.5V, VCE=0.0V, VOUT=0.0V -0.1 - 0.1 μ A ⑤ Soft-start Time tSS VCE=0.0V → 5.0V VOUT=VOUT(T)V × 0.9 After "H" is fed to CE, the time by when clocks are generated at Lx pin. 0.10 0.30 0.50 ms ③ Short Protection Threshold Voltage (Type B) VSHORT Sweeping VOUT, VOUT voltage which Lx becomes “L” level (*6) 0.17 0.27 0.37 V ③ CL Discharge (Type B) RDCHG VCE=0V, VOUT=4.0V 50 210 300 Ω ⑦ Unless otherwise stated, VIN=5V, VCE=5V, VOUT(T)=Nominal Value, NOTE: (*1) When the difference between the input and the output is small, 100% duty might come up and internal control circuits keep P-ch driver turning on even though the output current is not so large. If current is further pulled from this state, output voltage will decrease because of P-ch driver ON resistance. (*2) Including UVLO detect voltage, hysteresis operating voltage range for UVLO release voltage. (*3) RLXH= (VIN - Lx pin measurement voltage) / 100mA, RLXL= Lx pin measurement voltage / 100mA (*4) Design value for the XC9261 series. (*5) Current limit denotes the level of detection at peak of coil current. (*6) "H"=VIN ~ VIN - 1.2V, "L"=- 0.1V ~ + 0.1V (*7) AGND in the case of USP-6C. |
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