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XC9111B171MR Datasheet(PDF) 6 Page - Torex Semiconductor |
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XC9111B171MR Datasheet(HTML) 6 Page - Torex Semiconductor |
6 / 35 page 6/35 XC9110/XC9111 Series PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNIT CIRCUIT Output Voltage VOUT Connected to external components × 0.975 VOUT ×1.025 V ① Output Voltage Temperature Characteristics △ VOUT △ VOUT・△topr Connected to external components - 40℃≦Topr≦85℃ - ± 100 - ppm/ ℃ ① Maximum Input Voltage VIN 10 - - V ① Operating Start Voltage VST1 IOUT=1mA, Connected to external components - 0.8 0.9 V ① Oscillation Start Voltage VST2 Applied 0.8V to VOUT, Vpull=1.0V - - 0.8 V ② Operating Hold Voltage VHLD IOUT=1mA, Connected to external components 0.7 - - V ① Input Current at No Load IIN IOUT=0mA (*1) - E1-1(*) E1-2(*) μ A ① Supply Current 1 (*2) IDD1 Applied (output voltage×0.95) to VOUT - E2-1(*) E2-2(*) μ A ② Supply Current 2 IDD2 Applied (output voltage+0.5) to VOUT - E3-1(*) E3-2(*) μ A ② Lx Switch ON Resistance RSWON Same as IDD1, VLx=0.4V (*3) - E4-1(*) E4-2(*) Ω ② Lx Leak Current ILxL Same as IDD2, VLx=7V - - 1 μ A ③ Duty Ratio DTY Same as IDD1, measure Lx waveform E7-1(*) E7-2(*) E7-3(*) % ② Duty Ratio 2 DTY2 IOUT=1mA, measure Lx ON time. Connect to external components 48 56 64 % ① Maximum Oscillation Frequency MAXFOSC Same as IDD1 85 100 115 kHz ② Maximum Oscillation Frequency 2 MAXFOSC2 Same as IDD1 153 180 207 kHz ② Lx Limit Voltage (*4) VLxLMT Same as IDD1, VLx when max. oscillation frequency is more than double 0.7 - 1.1 V ② Efficiency (*5) EFFI Connect to external components - E8(*) - % ① ■ ELECTRICAL CHARACTERISTICS XC9111Axx1MR Test condition : Unless otherwise specified, VIN=VOUT×0.6, IOUT=<C1(*)>, Vpull=5.0V NOTE: *1: TOREX SBD, XB01SB04A2BR is used, reverse current IR < 1μA (when reverse voltage VR = 10V is applied), in case of using selected parts. *2: Supply Current 1 is the value when the IC is constantly switching. In actual operation, the oscillator periodically switches, resulting in lower power consumption. Please refer to Input Current (IIN) under no load condition for the actual current, which is supplied from the input power supply (VIN). *3: Lx switch ON resistance can be calculated by (VLx x Rp) / (Vpull - VLx). * Change Vpull so that VLx will become 0.4V. *4: The Lx limit voltage function becomes stable when VOUT is over 2.0V. *5: EFFI={[output voltage]×(output current)} / [(input voltage)×(input current)]×100 *6: Please be aware of the absolute maximum ratings of the external components. (*): Please refer to the charts. Ta = 25℃ |
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