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L6208Q Datasheet(PDF) 9 Page - STMicroelectronics |
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L6208Q Datasheet(HTML) 9 Page - STMicroelectronics |
9 / 34 page DocID018710 Rev 3 9/34 L6208Q Electrical characteristics 34 tCLK(min)L Minimum clock time(4) 1µs tCLK(min) H Minimum clock time(4) 1µs fCLK Clock frequency 100 kHz tS(MIN) Minimum setup time(5) 1µs tH(MIN) Minimum hold time(5) 1µs tR(MIN) Minimum reset time(5) 1µs tRCLK(MIN ) Minimum reset to clock delay time(5) 1µs tDT Deadtime protection 0.5 1 µs fCP Charge pump frequency Tj = -25 °C to 125 °C(7) 0.6 1 MHz tDT Deadtime protection 0.5 1 µs fCP Charge pump frequency -25 °C < Tj < 125 °C 0.6 1 MHz PWM comparator and monostable IRCA, IRCB Source current at pins RCA and RCB VRCA = VRCB = 2.5 V 3.5 5.5 mA Voffset Offset voltage on sense comparator VREFA, VREFB = 0.5 V ±5 mV tPROP Turn OFF propagation delay(6) 500 ns tBLANK Internal blanking time on SENSE pins 1µs tON(MIN) Minimum ON time 1.5 2 µs tOFF PWM recirculation time ROFF = 20 k; COFF = 1 nF 13 µs ROFF = 100 k; COFF = 1 nF 61 µs IBIAS Input bias current at pins VREFA and VREFB 10 µA Overcurrent detection Isover Input supply overcurrent detection threshold -25 °C < Tj < 125 °C 4 5.6 7.1 A ROPDR Open drain ON resistance I = 4 mA 40 60 tOCD(ON) OCD turn-on delay time (7) I = 4 mA; CEN < 100 pF 200 ns tOCD(OFF) OCD turn-off delay time (7) I = 4 mA; CEN < 100 pF 100 ns 1. Tested at 25 °C in a restricted range and guaranteed by characterization. 2. See Figure 3. 3. See Figure 4. 4. See Figure 5. 5. See Figure 6. 6. Measured applying a voltage of 1 V to pin SENSE and a voltage drop from 2 V to 0 V to pin VREF. 7. See Figure 7. Table 4. Electrical characteristics (continued) Symbol Parameter Test condition Min. Typ. Max. Unit |
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