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XCM519 Datasheet(PDF) 4 Page - Torex Semiconductor |
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XCM519 Datasheet(HTML) 4 Page - Torex Semiconductor |
4 / 49 page 4/49 XCM519 Series Ta=25℃ (*1) IVROUT=Less than Pd / (VIN2-VROUT) PARAMETER SYMBOL RATINGS UNITS VIN1Voltage VIN1 - 0.3 ∼ 6.5 V Lx Voltage VLx - 0.3 ∼ VIN1 + 0.3 or 6.5 V DCOUT Voltage VDCOUT - 0.3 ∼ 6.5 V EN1 Voltage VEN1 - 0.3 ∼ 6.5 V Lx Current ILx ±1500 mA VBIAS Voltage VBIAS VSS - 0.3 ∼ 7.0 V VIN2 Voltage VIN2 VSS - 0.3 ∼ 7.0 V VROUT Current IVROUT 700 (*1) mA VSS - 0.3∼VBIAS + 0.3 VROUT Voltage VROUT VSS - 0.3∼VIN2 + 0.3 V EN2 Voltage VEN2 VSS - 0.3 ∼ 6.5 V Power Dissipation (Ta=25℃) USP-12B01 Pd 150 mW Junction Temperature Tj 125 ℃ Operating Temperature Range Topr -40∼+85 ℃ Storage Temperature Range Tstg -55∼+125 ℃ R2 R1 Error Amp. Vref with Soft Start, CE Phase Compensation PWM/PFM Selector Current Feedback Current Limit PWM Comparator Logic Synch Buffer Drive R3 R4 UVLO UVLO Cmp Ramp Wave Generator OSC Lx CE/MODE Control Logic CE/ VSHORT CE R2 R1 Error Amp. Vref with Soft Start, CE Phase Compensation PWM/PFM Selector Current Feedback Current Limit PWM Comparator Logic Synch Buffer Drive R3 R4 UVLO UVLO Cmp Ramp Wave Generator OSC Lx V SS V IN V OUT CE/MODE Control Logic VSHORT XC9235A/XC9236A XC9235B/XC9236B 、) (CL放電機能有 高速ソフトスタート V SS V IN V OUT ■BLOCK DIAGRAMS ■MAXIMUM ABSOLUTE RATINGS Available with CL Discharge, High Speed Soft-Start * XC9235 control scheme is a fixed PWM because that the “CE/MODE Control Logic” outputs a low level signal to the “PWM/PFM Selector”. * XC9236 control scheme is an auto PWM/PFM switching because the “CE/MODE Control Logic” outputs a high level signal to the “PWM/PFM Selector”. *Diodes inside the circuit are an ESD protection diode and a parasitic diode. XC6601B (Without Pull-down) |
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