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L6738A Datasheet(PDF) 11 Page - STMicroelectronics |
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L6738A Datasheet(HTML) 11 Page - STMicroelectronics |
11 / 32 page L6738A Electrical specifications Doc ID 18134 Rev 2 11/32 3 Electrical specifications 3.1 Absolute maximum ratings 3.2 Electrical characteristics (VCC = 5 V to 12 V; Tj = 0 ° to 70 ° C unless otherwise specified). Table 4. Absolute maximum ratings Symbol Parameter Value Unit VCC,VCCDR to GND -0.3 to 15 V VBOOT, VUGATE to GND to PHASE to GND, VCCDR = 12 V, t < 200 nsec. -0.3 to 41 15 45 V VPHASE to GND to GND, VCCDR = 12 V, t < 200 nsec. -5 to 26 -8 to 30 V VLGATE to GND -0.3 to VCCDR + 0.3 V EN to GND, VCC < 7 V to GND, VCC > 7 V -0.3 to VCC + 0.3 -0.3 to 7 V CSP, CSN to GND(1) 1. Current sense network needs to be properly bias and loop closed. -0.3 to VCC - 1.5 V All other pins to GND -0.3 to 3.6 V Table 5. Electrical characteristics Symbol Parameter Test conditions Min. Typ. Max. Unit Supply current and power-on ICC VCC supply current EN = HIGH 9 mA EN = GND 8 mA ICCDR VCCDR supply current UGATE and LGATE = Open 2.6 mA EN = GND UGATE and LGATE = Open 0.3 mA UVLOVCC, UVLOVCCDR Turn-ON threshold VCC, VCCDR rising 4.1 V Hysteresis 0.2 V Oscillator enable and soft-start FSW Main oscillator accuracy OSC = open 180 200 220 kHz kOSC Oscillator gain Current sink/source from OSC 10 kHz/ µA Tss Soft-start time OSC = open 4.5 5.12 5.7 msec Tssdelay SS delay OSC = open, before SS 4.5 5.12 5.7 msec |
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