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XC9104B091DL Datasheet(PDF) 4 Page - Torex Semiconductor |
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XC9104B091DL Datasheet(HTML) 4 Page - Torex Semiconductor |
4 / 23 page 4/23 XC9103/XC9104/XC9105 Series PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNITS CIRCUIT Output Voltage VOUT 3.234 3.300 3.366 V ① Output Voltage Range VOUTSET VIN=VOUTSETx0.6, VDD=3.3V IOUT=10mA, Using 2SD1628 1.5 - 30.0 V ② FB Control Voltage VFB 0.882 0.900 0.918 V ④ Supply Voltage Range (*1) VDD 1.8 - 10.0 V Operation Start Voltage VST1 Recommended circuit using 2SD1628, IOUT=1.0mA - - 0.9 V ③ Oscillation Start Voltage (*1) VST2 No external components, CE connected to VDD, Voltage applied, FB=0V - - 0.8 V ④ Operation Hold Voltage VHLD Recommended circuit using 2SD1628, IOUT=1.0mA - - 0.7 V ③ Supply Current 1 IDD1 Same as VST2, VDD=3.3V - 45 64 μA ④ Supply Current 2 IDD2 Same as IDD1, FB=1.2V - 17 24 μA ④ Stand-by Current ISTB Same as IDD1, CE=0V - - 1.0 μA ⑤ Oscillation Frequency FOSC Same as IDD1 153 180 207 kHz ④ Maximum Duty Cycle MAXDTY Same as IDD1 75 81 87 % ④ PFM Duty Rate PFMDTY No load (XC9104B/D, 9105B/D) 20 28 36 % ① Overcurrent Sense Voltage (*3) VLMT Step input to FB (Pulse width: 2.0μS or more), EXT=Low level voltage (XC9103B, 9104B, 9105B) 170 250 330 mV ⑥ Efficiency EFFI Recommended circuit using XP161A1355 - 85 - % ① Soft-Start Time TSS 5.0 10.0 20.0 ms ① CE “High” Voltage (*2) VCEH Same as IDD1 0.65 - - V ⑤ CE “Low” Voltage (*2) VCEL Same as IDD1 - - 0.20 V ⑤ PWM “High” Voltage (*2) VPWMH IOUT=1.0mA (XC9105B/D) VDD-0.2 - V ① PWM “Low” Voltage (*2) VPWML IOUT=1.0mA (XC9105B/D) - - VDD-1.0 V ① EXT “High” On Resistance REXTH Same as IDD1, VEXT=VOUT-0.4V - 24 36 Ω ④ EXT “Low” On Resistance REXTL Same as IDD1, VEXT=0.4V - 16 24 Ω ④ CE “High Current ICEH Same as IDD2, CE=VDD - - 0.1 μA ⑤ CE “Low” Current ICEL Same as IDD2, CE=0V - - - 0.1 μA ⑤ FB “High” Current IFBH Same as IDD2, CE=VDD - - 0.1 μA ⑤ FB “Low” Current IFBL Same as IDD2, CE=0V - - - 0.1 μA ⑤ ■ELECTRICAL CHARACTERISTICS (FOSC=180kHz) Ta=25℃ XC9103B092MR, XC9104B092MR, XC9105B092MR XC9103D092MR, XC9104D092MR, XC9105D092MR Test Conditions: Unless otherwise stated, CL: ceramic, recommended MOSFET should be connected. VOUT=3.3V, VIN=2.0V, IOUT=170mA NOTE: *1 Although the IC starts step-up operations from a VDD of 0.8V, the output voltage and oscillation frequency are stabilized at VDD>1.8V. Therefore, a VDD of more than 1.8V is recommended when VDD is supplied from VIN or other power sources. *2 With the XC9105 series, the CE pin also serves as a PWM/PFM switching pin. In operation, PWM control is selected when the voltage at the CE pin is more than VDD -0.2V. On the other hand, PWM/PFM automatic switching control at a duty = 25% is selected when the voltage at the CE pin is less than VDD -1.0V and more than VCEH. *3 The overcurrent limit circuit of this IC is designed to monitor the ripple voltage so please select your external components carefully to prevent VLMT being reached under low temperature conditions as well as normal operating conditions. Following current limiter circuit operations, which in turn causes the IC's operations to stop, the operations of the IC can be returned to normal with a toggle of the CE pin or by turning the power supply back on. |
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