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L6270 Datasheet(PDF) 3 Page - STMicroelectronics |
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L6270 Datasheet(HTML) 3 Page - STMicroelectronics |
3 / 10 page H-BRIDGE GND-P COIL N.C. OUT1-A SLEEP OUTK-A INA(inv) INA(not inv) INB(not inv) INB(inv) OUTK-B V512-AP OUT1-B LIN/BANG RC comp HVM HVP 1 3 2 4 5 6 7 8 9 22 21 20 19 18 16 17 15 23 10 24 V-SHIFTED DC2ref D98IN969 Vin 0-5 Iref 11 14 13 12 GND-A Vref PIN CONNECTION (SO24) PIN FUNCTIONS (SO24) N. Name Description 1 H-BRIDGE 40V Half Bridge output for negative charge pump. 2 GND-P Power ground. 3 COIL Coil for positive step up. 4 N.C. 5 OUT1-A Output ampl.A. 6 OUTK-A Hi current output ampl.A. 7 SLEEP Sleep mode for stand-by condition (1=SLEEP 0=operative). 8 INA (inv) Inverting input of A-amplifier. 9 INA (not inv) Non Inverting input of A-amplifier. 10 V-SHIFTED Analog level shifter output Vin-Vref (-2.5 to +2.5 dynamic range) 11 Vin 0-5 Input positive voltage 12 GND-A Analog ground. 13 Vref Precise 2.5V reference voltage. 14 Iref External resistor for precise internal current reference. 15 DC2ref Reference voltage for DC-DC converter X20. 16 INB (not inv) Non Inverting input of B-amplifier. 17 INB (inv) Inverting input of B-amplifier. 18 OUTK-B Hi current output ampl.B. 19 OUT1-B Output ampl.B. 20 V512-AP Analog&Power voltage supply 5 to 12V. 21 LIN/BANG Linear or Bang-bang select pin (V512 = BANG 0 = Linear) 22 RC comp DC-DC converter compensation network. 23 HVM Negative High voltage generated op amp supplier. 24 HVP Positive High voltage generated op amp supplier. L6270 - L6271 3/10 |
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