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XC9505B092A Datasheet(PDF) 6 Page - Torex Semiconductor |
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XC9505B092A Datasheet(HTML) 6 Page - Torex Semiconductor |
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6 / 47 page  Electrical Characteristics XC9505B095A Common Characteristics VDD ≥ 2.0V, IOUT1, 2=1mA Unless otherwise stated, VDD=3.0V, PWM1, 2=3.0V, EN1, 2 = 3.0V Output 1 Characteristics Step-Down Controller Unless otherwise stated, VDD=EN1=PWM1=3.0V, EN2=PWM2=GND, EXT2=OPEN, FB2=OPEN, VIN=1.8V Output 2 Characteristics Inverting DC/DC Controller IOUT2=1.0mA, RFB11=200k Ω, RFB12=75kΩ RFB21=17.5k Ω, RFB22=10kΩ, EN1=PWM1=3.0V Unless otherwise stated, VDD=EN2=PWM2=3.0V, PWM1=EN1=GND, EXT1=OPEN, FB1=OPEN, VIN=3.0V 3) 4) 6 Efficiency2 (Note 2) EFFI2 IOUT2= -150mA, Pch MOSFET: XP162A12A6P - 2 PFM Duty Ratio2 PFMDTY2 No Load, VPWM2=0V 22 30 38 % 6 - - 2.0 V Ta=25 OC Operation Start-up Voltage2 VST1-2 - - 2.0 V 1 2 3 Minimum Duty Ratio1 MAXDTY2 Same as IDD2 --- % µA Ta=25 OC PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNITS TEST CIRCUIT 2 130 250 - 140 230 µA Supply Current 1-1 IDD1-1 EN1=3.0V, EN2=0, FB1=0V µA Output Voltage Range (note 1) VOUTSET Supply Current 1 IDD1 FB=0V, FB2=1.2V µA 2 EFFI1, 2={ [ (Output voltage) x (Output current) ] / [ (Input voltage) x (Input Current) ] } x 100 Please be careful not to exceed the breakdown voltage level of the peripheral parts. - 0.20 V 6 PWM2 "Low" Voltage VPWML2 No Load - -- V 6 PWM2 "High" Voltage VPWMH2 No Load 0.65 5 EXT2 "Low" ON Resistance REXTBL2 FB2=3.0V, EXT2=0.4V - 22 30 Ω 5 EXT2 "High" ON Resistance REXTBH2 EN2=FB2= 0V, EXT2=VDD-0.4V -28 47 Ω -0 % 71 - % 2 Minimum Duty Ratio2 MINDTY3 Same as IDD2 - Maximum Duty Ratio2 MAXDTY2 Same as IDD1 75 80 87 % 2 Oscillation Start-up Voltage2 0.900 0.918 V FB2 Voltage VFB2 VDD=3.0V 0.882 VST2-2 FB2=1.2V TYP. MAX. UNITS TEST CIRCUIT PARAMETER SYMBOL CONDITIONS MIN. - 0.20 V 4 PWM1 "Low" Voltage VPWML1 No Load - -- V 4 PWM1 "High" Voltage VPWMH1 No Load 0.65 22 30 Ω 5 EXT1 "Low" ON Resistance REXTBL1 EN1=FB1=1.2V, EXT1=0.4V - 4 EXT1 "High" ON Resistance REXTBH1 FB1=0V, EXT1=VDD -0.4V -28 47 Ω 5 -% 4 Soft-Start Time1 TSS1 VOUT1 × 0.95V, EN1=0V→0.65V 5.0 10.0 20.0 msec 2 22 30 38 % 4 IOUT1= 250mA, Pch MOSFET: XP162A12A6P -91 PFM Duty Ratio1 PFMDTY1 Efficiency1 (note 2) No Load, VPWM1=0V EFFI1 - 100 % 2 Maximum Duty Ratio1 MINDTY1 Same as IDD1 Minimum Operating Voltage VINmin1 - - 2.0 V 1 FB1 Voltage - -0.50 µA VFB1 VDD=3.0V, VIN=1.5V, IOUT1=10mA 0.882 0.900 0.918 V 2 FB1, 2 "Low" Current VFBL FB1=1.0V, FB2=0V - - 0.50 µA 2 FB1, 2 "High" Current IFBH FB1=3.0V, FB2=0.8V - - -0.50 µA 2 PWM1, 2 "Low" Current IPWML FB1=3.0V, FB2=0V, PWM1, 2=0V - - 0.50 µA 2 PWM1, 2 "High" Current IPWMH FB1=3.0V, FB2=0V, PWM1, 2=3.0V - - -0.50 µA 2 EN1, 2 "Low" Current IENL EN1, 2=0V, FB1=3.0V, FB2=0V - - 0.50 µA 2 EN1, 2 "High" Current IENH FB1=3.0V, FB2=0V - - 0.20 V 2 EN1, 2 "Low" Voltage VENL FB1=0V, FB2=3.0V - -- V 2 EN1, 2 "High" Voltage VENH FB1=0V, FB2=3.0V 0.65 500 575 kHz 2 Oscillation Frequency FOSC Same as IDD1 425 Supply Current 2 IDD2 - Stand-by Current ISTB Same as IDD1, EN1=EN2=0V - µA 2 2 FB1=1.2V, FB2=0V 100 190 µA 2 1.0 3.0 2 FB1=0V, FB2=0V Supply Current 1-3 IDD1-3 - Supply Current 1-4 IDD1-4 FB1=1.2V, FB2=1.2V 100 170 110 220 µA 2 Supply Current 1-2 IDD1-2 EN2=3.0V, EN1=0, FB2=1.2V - 80 150 -- V 1 - 0.0 VOUT1 0.9 VOUT2 - - - TEST CIRCUIT Supply Voltage VDD 2.0 - 10.0 V XC9505 Series 2ch. Step-Down / Inverting DC/DC Controller ICs Ta=25 OC PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNITS 6 |
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