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L6391 Datasheet(PDF) 8 Page - STMicroelectronics |
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L6391 Datasheet(HTML) 8 Page - STMicroelectronics |
8 / 21 page Electrical characteristics L6391 8/21 Doc ID 17892 Rev 1 5 Electrical characteristics 5.1 AC operation Table 7. AC operation electrical characteristics (VCC = 15 V; TJ = +25 °C) Symbol Pin Parameter Test condition Min Typ Max Unit ton 1 vs 10 3 vs 13 High/low side driver turn-on propagation delay Vout = 0 V Vboot = Vcc CL = 1 nF Vi = 0 to 3.3 V See Figure 3. 50 125 200 ns toff High/low side driver turn-off propagation delay 50 125 200 ns tsd 2 vs 10, 13 Shutdown to high/low side driver propagation delay 50 125 200 ns tisd Comparator triggering to high/low side driver turn-off propagation delay Measured applying a voltage step from 0 V to 3.3 V to pin CP+; CP-=0.5 V 200 250 ns MT Delay matching, HS and LS turn-on/off 30 ns DT 5 Dead time setting range (1) RDT = 0Ω, CL = 1 nF 0.1 0.18 0.25 µs RDT = 37kΩ, CL = 1 nF, CDT = 100 nF 0.48 0.6 0.72 µs RDT = 136kΩ, CL = 1 nF, CDT = 100 nF 1.35 1.6 1.85 µs RDT = 260kΩ, CL = 1 nF, CDT = 100 nF 2.6 3.0 3.4 µs MDT Matching dead time (2) RDT = 0Ω, CL = 1 nF 80 ns RDT = 37kΩ, CL = 1 nF, CDT = 100 nF 120 ns RDT = 136kΩ, CL = 1 nF, CDT = 100 nF 250 ns RDT = 260kΩ, CL = 1 nF, CDT = 100 nF 400 ns tr 10,13 Rise time CL = 1 nF 75 120 ns tf Fall time CL = 1 nF 35 70 ns 1. See Figure 4 on page 9 2. MDT = | DTLH - DTHL | see Figure 5 on page 12 |
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