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L6743B 数据表(PDF) 6 Page - STMicroelectronics |
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L6743B 数据表(HTML) 6 Page - STMicroelectronics |
6 / 16 page Electrical specifications L6743B 6/16 4 Electrical specifications 4.1 Electrical characteristics Table 4. Electrical characteristics (VCC = 12 V±15 %, TJ = 0 °C to 70 °C unless otherwise specified) Symbol Parameter Test conditions Min. Typ. Max. Unit Supply current and power-on ICC VCC supply current UGATE and LGATE = OPEN BOOT = 12 V 5mA IBOOT BOOT supply current UGATE = OPEN; PHASE to GND; BOOT = 12 V 2mA UVLOVCC VCC turn-ON VCC rising 4.1 V VCC turn-OFF VCC falling 3.5 V PWM and EN input PWM Input high - VPWM_IH PWM rising 2 V Input low - VPWM_IL PWM falling 0.8 V Input leakage PWM = 3.3 V 270 µA PWM = 0 V -360 µA tHiZ HiZ hold-off time See Figure 4 150 ns tprop_L Propagation delays See Figure 4 50 75 ns tprop_H 30 45 ns EN Input high - VEN_IH EN rising 2 V Input low - VEN_IH EN falling 0.8 V Input resistance to GND 15 k Ω Input leakage EN = 3.3 V 220 µA Gate drivers RHIHS HS source resistance BOOT - PHASE = 12 V; 100 mA 2.3 2.8 Ω IUGATE HS source current (1) 1. Parameter(s) guaranteed by designed, not fully tested in production BOOT - PHASE = 12 V; CUGATE to PHASE = 3.3 nF 2A RLOHS HS sink resistance BOOT - PHASE = 12 V; 100 mA 2 2.5 Ω RHILS LS source resistance 100 mA 1.3 1.8 Ω ILGATE LS source current (1) CLGATE to GND = 5.6 nF 3 A RLOLS LS sink resistance 100 mA 1 1.5 Ω Protections VPRE_OV Pre-OV threshold PHASE rising 1.8 V |
类似零件编号 - L6743B |
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类似说明 - L6743B |
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