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L6712QTR 数据表(PDF) 3 Page - STMicroelectronics |
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L6712QTR 数据表(HTML) 3 Page - STMicroelectronics |
3 / 27 page 3/27 L6712A L6712 ELECTRICAL CHARACTERISTCS (VCC = 12V±10%, TJ = 0°C to 70°C unless otherwise specified) Symbol Parameter Test Condition Min. Typ. Max. Unit Vcc SUPPLY CURRENT ICC VCC supply current HGATEx and LGATEx open VCCDR=BOOTx=12V 7.5 10 12.5 mA ICCDR VCCDR supply current LGATEx open; VCCDR=12V 1.5 3 4 mA IBOOTx Boot supply current HGATEx open; PHASEx to PGND; VCC=BOOTx=12V 0.511.5 mA POWER-ON Turn-On VCC threshold VCC Rising; VCCDR=5V 8.2 9.2 10.2 V Turn-Off VCC threshold VCC Falling; VCCDR=5V 6.5 7.5 8.5 V Turn-On VCCDR Threshold VCCDR Rising VCC=12V 4.2 4.4 4.6 V Turn-Off VCCDR Threshold VCCDR Falling VCC=12V 4.0 4.2 4.4 V OSCILLATOR AND INHIBIT fOSC Initial Accuracy OSC = OPEN OSC = OPEN; Tj=0 °C to 125°C 135 127 150 165 178 kHz kHz INH Inhibit threshold ISINK=5mA 0.5 V dMAX Maximum duty cycle L6712, OSC = OPEN: IDROOP=0 OSC = OPEN; IDROOP=70 µA 72 30 80 40 - - % % L6712A, OSC = OPEN 85 90 % ∆Vosc Ramp Amplitude 3 V FAULT Voltage at pin OSC OVP Active 4.75 5.0 5.25 V REFERENCE AND DAC VOUT (1) Output Voltage Accuracy VIDx See Table 1, VID ≠ “11x“ -0.9 - 0.9 % VID = “110“ -1.0 - 1.0 % REF_IN/OUT Reference Accuracy VIDx See Table 1, VID ≠ “111” VOUT -5 VOUT VOUT+5 mV Current Capability 3 mA Load Regulation IREF = from 0 to 3mA 5.0 mV VPROG / REF_IN/ OUT Accuracy with external reference VID=“111”; REF_IN/OUT = 0.8V to 3.3V -2.0 2.0 % REF_IN/OUT Input impedance 400 k Ω IVID VID pull-up Current VIDx =SGND 5 µA VVID VID pull-up Voltage VIDx = OPEN 3 V VIDIL VID Input Levels Input Low 0.4 V VIDIH Input High 1.0 V ERROR AMPLIFIER VOS_EA Offset FB = COMP -5 5 mV DC Gain 80 dB SR Slew-Rate COMP=10pF 15 V/ µs IFB_START Start-up Current FB=SGND; During Soft Start… 65 µA DIFFERENTIAL AMPLIFIER (REMOTE BUFFER) VOS_RA Offset VSEN = FBG -8 8 mV |
类似零件编号 - L6712QTR |
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类似说明 - L6712QTR |
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