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XC9503 Datasheet(PDF) 4 Page - Torex Semiconductor |
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XC9503 Datasheet(HTML) 4 Page - Torex Semiconductor |
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4 / 32 page  4/32 XC9503 Series PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNITS CIRCUIT Supply Voltage VDD 2.0 - 10.0 V ① Maximum Input Voltage VIN 10.0 - - V ① VOUT1 0.9 - 10.0 V Output Voltage Range (* 1) VOUTSET VIN≧2.0V, IOUT1, 2=1mA VOUT2 0.9 - 10.0 V ① Supply Current 1 IDD1 FB1, 2=0V - 60 120 μ A ② EN1=3.0V, EN2=0V, FB1=0V Supply Current 1-1 IDD1-1 EN2=3.0V, EN1=0V, FB2=0V - 50 110 μ A ② FB1=0V, FB2=1.0V Supply Current 1-2 IDD1-2 FB1=1.0V, FB2=0V - 60 130 μ A ② Supply Current 2 IDD2 FB1, 2=1.0V - 60 140 μ A ② Stand-by Current ISTB Same as IDD1, EN1=EN2=0V - 1.0 3.0 μ A ② Switching Frequency FOSC Same as IDD1 153 180 207 kHz ② EN1, 2 "High" Voltage VENH FB1, 2=0V 0.65 - - V ② EN1, 2 "Low" Voltage VENL FB1, 2=0V - - 0.20 V ② EN1, 2 "High" Current IENH EN1, 2=3.0V - - 0.50 μ A ② EN1, 2 "Low" Current IENL EN1, 2=0V, FB1, 2=3.0V - - -0.50 μ A ② PWM1, 2 "High" Current IPWMH FB1, 2=3.0V, PWM=3.0V - - 0.50 μ A ② PWM1, 2 "Low" Current IPWML FB1, 2=3.0V, PWM=0V - - -0.50 μ A ② FB1, 2 "High" Current IFBH FB1, 2=3.0V - - 0.50 μ A ② FB1, 2 "Low" Current VFBL FB1, 2=1.0V - - -0.50 μ A ② PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNITS CIRCUIT FB1 Voltage VFB1 VIN=3.0V, IOUT1=10mA 0.882 0.900 0.918 V ③ Minimum Operation Voltage VINmin1 - - 2.0 V ① Maximum Duty Ratio 1 MAXDTY1 Same as IDD1 100 - - % ② Minimum Duty Ratio1 MINDTY1 Same as IDD2 - - 0 % ② PFM Duty Ratio 1 PFMDTY1 No Load, VPWM1=0V 22 30 38 % ④ Efficiency1 (* 4) EFFI1 IOUT1=250mA P-ch MOSFET: XP162A12A6P - 92 - % ④ Soft-Start Time1 TSS1 VOUT1×0.95V, EN1=0V→0.65V 5.0 10.0 20.0 ms ④ EXT1 "High" ON Resistance REXTBH1 EN1=0, EXT1=VDD-0.4V - 28 47 Ω ⑤ EXT1 "Low" ON Resistance REXTBL1 FB2=0V, EXT1=0.4V - 22 30 Ω ⑤ PWM1 "High" Voltage VPWMH1 No Load 0.65 - - V ④ PWM1 "Low" Voltage VPWML1 No Load - - 0.20 V ④ PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNITS CIRCUIT FB2 Voltage VFB2 VIN=3.0V, IOUT2=10mA 0.882 0.900 0.918 V ⑥ Minimum Operating Voltage VINmin2 - - 2.0 V ① Maximum Duty Ratio 2 MAXDTY2 Same as IDD1 100 - - % ② Minimum Duty Ratio 2 MINDTY2 Same as IDD2 - - 0 % ② PFM Duty Ratio 2 PFMDTY2 No Load, VPWM2=0V 22 30 38 % ⑦ Efficiency 1 (* 2) EFFI2 IOUT2=250mA P-ch MOSFET: XP162A12A6P - 92 - % ⑦ Soft-Start Time 1 TSS2 VOUT2×0.95V, EN2=0V→0.65V 5.0 10.0 20.0 ms ⑦ EXT1 "High" ON Resistance REXTBH2 EN2=0, EXT2=VDD-0.4V - 28 47 Ω ⑤ EXT1 "Low" ON Resistance REXTBL2 FB2=0V, EXT2=0.4V - 22 30 Ω ⑤ PWM 2 "High" Voltage VPWMH2 No Load 0.65 - - V ⑦ PWM 2 "Low" Voltage VPWML2 No Load - - 0.20 V ⑦ ■ ELECTRICAL CHARACTERISTICS Common Characteristics Output 1 Characteristics Unless otherwise stated, VDD=3.0V, PWM1, 2=3.0V, EN1, 2 =3.0V Output 2 Characteristics Unless otherwise stated, VDD=EN2=PWM2=3.0V, PWM1=EN1=GND, EXT1=OPEN, FB1=OPEN, VIN=5.0V NOTE: Step-Down Controller XC9503B092A Unless otherwise stated, VDD=EN1=PWM1=3.0V, PWM2=EN2=GND, EXT2=OPEN, FB2=OPEN, VIN=5.0V Ta=25℃ Step-Down Controller *1: Please be careful not to exceed the breakdown voltage level of the peripheral parts. *2: EFFI={ [ (output voltage) × (output current) ] / [ (input voltage) × (input current) ] } × 100 |
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