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L99DZ80EP データシート(PDF) 21 Page - STMicroelectronics |
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L99DZ80EP データシート(HTML) 21 Page - STMicroelectronics |
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21 / 68 page ![]() DocID18260 Rev 6 21/68 L99DZ80EP Electrical specifications 67 2.7 H-bridge driver |IOLDECV| Undercurrent threshold to GND VS =13.5V; VCC =5 V; sink 10 20 30 mA tFOL Filter time of open-load signal Duration of open- load condition to set the status bit 0.5 2.0 3.0 ms Table 14. Current monitoring (continued) Symbol Parameter Test condition Min. Typ. Max. Unit Table 15. Gate drivers for the external Power-MOS (H-bridge) Symbol Parameter Test condition Min. Typ. Max. Unit Drivers for external high-side Power-MOS IGHx(Ch) Average charge current (charge stage) Tj =25°C 0.3 A RGHx On-resistance (discharge- stage) VSHx =0V; IGHx =50mA; Tj =25°C 46 8 VSHx =0V; IGHx =50mA; Tj =125 °C 810 VGHxH Gate-on voltage Outputs floating VSHx + 8 VSHx + 10 VSHx + 11.5 V RGSHx Passive gate-clamp resistance VGHx =0.5 V 15 k Drivers for external low-side Power-MOS IGLx(Ch) Average charge-current (charge stage) Tj =25°C 0.3 A RGLx On-resistance (discharge- stage) VSLx =0V; IGHx =50mA; Tj =25°C 46 8 VSLx =0V; IGHx =50mA; Tj =125 °C 810 VGHLx Gate-on voltage Outputs floating VSLx + 8 VSLx + 10 VSLx + 11.5 V RGSLx Passive gate-clamp resistance 15 k Table 16. Gate drivers for the external Power-MOS switching times Symbol Parameter Test condition Min. Typ. Max. Unit TG(HL)xHL Propagation delay time high to low (switch mode)(1) VS = 13.5 V; VSHx =0; RG =0 ; CG =2.7 nF 1.5 µs TG(HL)xLH Propagation delay time low to high (switch mode)(1) VS = 13.5 V; VSLx =0; RG =0 ; CG =2.7 nF 1.5 µs |
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