전자부품 데이터시트 검색엔진 |
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L6917B 데이터시트(PDF) 3 Page - STMicroelectronics |
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L6917B 데이터시트(HTML) 3 Page - STMicroelectronics |
3 / 33 page 3/33 L6917B ELECTRICAL CHARACTERISTICS VCC = 12V ±10%, TJ = 0 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=VBOOT=12V 7.5 10 12.5 mA ICCDR VCCDR supply current LGATEx open; VCCDR=12V 2 3 4 mA IBOOTx Boot supply current HGATEx open; PHASEx to PGND VCC=VBOOT=12V 0.5 1 1.5 mA POWER-ON Turn-On VCC threshold VCC Rising; VCCDR=5V 7.8 9 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/INHIBIT/FAULT fOSC Initial Accuracy OSC = OPEN OSC = OPEN; Tj=0 °C to 125°C 278 270 300 322 330 kHz kHz fOSC,Rosc Total Accuracy RT to GND=74kΩ 450 500 550 kHz INH Inhibit threshold ISINK=5mA 0.8 0.85 0.9 V dMAX Maximum duty cycle OSC = OPEN 70 75 % ∆Vosc Ramp Amplitude 1.8 2 2.2 V FAULT Voltage at pin OSC OVP or UVP Active 4.75 5.0 5.25 V REFERENCE AND DAC Output Voltage Accuracy VID0, VID1, VID2, VID3, VID4 see Table1; FBR = VOUT; FBG = GND -0.8 - 0.8 % IDAC VID pull-up Current VIDx = GND 4 5 6 µA VID pull-up Voltage VIDx = OPEN 3.1 - 3.4 V ERROR AMPLIFIER DC Gain 80 dB SR Slew-Rate COMP=10pF 15 V/ µs DIFFERENTIAL AMPLIFIER (REMOTE BUFFER) DC Gain 1 V/V CMRR Common Mode Rejection Ratio 40 dB |
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