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L6271 Datasheet(PDF) 4 Page - STMicroelectronics |
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L6271 Datasheet(HTML) 4 Page - STMicroelectronics |
4 / 10 page ELECTRICAL CHARACTERISTICS (All the following parameters are specified @ 27 °C and V512 = 12V, unless otherwise specified.) Symbol Parameter Test Condition Min. Typ. Max. Unit V512 Main power supply 4.5 13.2 V HVP (1) Output positive Voltage Double Supply Voltage 25 40 V Single Supply Voltage V512 ≥ 8 Single Supply Voltage V512 ≤ 8 30 25 80 40 V V HVM Output negative voltage -40 -25 V HVripple HVP, HVM ripple External filter cap. 100nF Bang-Bang Mode Linear Mode 2.5 0.8 V V DC-DC gain Ratio of HVP and DC-DC ref. voltage PIN15 19 20 21 I, hvp Output current (see figure 1a) I, hvm Top Time to operating condition 5 ms Fswitch (2) Switching Frequency 80 550 kHz Rds, on Boost transistor ON resistance 4 Ω Iboost Boost transistor current limiting 700 mA CP-slope Charge Pump Slope 150 V/ µs Isleep Total current in sleep mode 1 mA Vref Reference voltage at PIN13 2.4 2.5 2.6 V Ivref Reference voltage output current -1 1 mA Vref, cap Filter capacitor at PIN13 10 100 nF Iref, res Resistor at PIN14 for precise internal current (100 µA) 25 k Ω Vsup Minimum OpAmp supply Voltage (HVP if externally given) Double Supply V512 +4 V Single Supply V512 +4 V DC gain OpAmp DC gain 130 dB GBW OpAmp Gain Bandwidth product Cload 0.4nF to 24nF Double Supply Voltage 500 KHz DCinp OpAmp Input dynamic voltage Double supply -5 5 V Single supply 1.2 10 V DC-DC OFF DC-DC Converter switched-off when DC 2REF voltage lower than 0.6 V ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit V512 Supply voltage pin 20 referred to Ground 14 V HVP Positive high voltage referred to HVM 84 V HVM Negative high voltage referred to Ground -42 V IN A&B Amplifier input voltage common mode ±6V Vin o to 5 Level shifts input voltage -0.5 to +5.5 V Tamb Operative Ambient Temperature -20 to +80 °C Tstg Storage Temperature -40 to +125 °C All the voltage value are referred to ground. L6270 - L6271 4/10 |
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