ISL73847SEHDEMO2Z datasheet(17/40 Pages) RENESAS

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R34DS0017EU0104 Rev.1.04

Page 17

Jan 31, 2025

ISL73041SEH Datasheet

Typical Performance Curves

Figure 10. EN Propagation Delay

Figure 11. FTLb Propagation Delay (External Driven)

Unless otherwise specified, typical performance curves are at VDD=12V, PHS=0V; PVCC=4.5V and TA = +25°C.

Figure 12. Prop Delay & Dead Time Delay with

RDU = RDL = GND or 1.3kΩ

Figure 13. Prop Delay & Dead Time Delay with

RDU = RDL = 10kΩ

Figure 14. Programmable Dead Time Range 1.3kΩ to

10kΩ

Figure 15. Programmable Dead Time Range 10kΩ to

100kΩ

EN VIL

EN VIH

For PWM = 0V, LG goes high

For PWM = 5V, UG goes high

tENH

tENL

For PWM = 0V,

LG ignores PWM and goes low

For PWM = 5V,

UG ignores PWM and goes low

PVCC = FB = 4.5V

PWM = 0V for LG

PWM = 5V for UG

FLT VIL

FLT VIH

For PWM = 0V, LG goes high

For PWM = 5V, UG goes high

t_FLTbR

t_FLTbF

FLT

UG and LG

For PWM = 0V,

LG ignores PWM and goes low

For PWM = 5V,

UG ignores PWM and goes low

PWM to UG Propagation Delay: 28.4ns

PWM to LG Propagation Delay: 28.6ns

UG to LG Dead Time: 5.8ns

LG to UG Dead Time: 6.1ns

PWM to UG Propagation Delay: 28.4ns

PWM to LG Propagation Delay: 29.4ns

UG to LG Dead Time: 48.6ns

LG to UG Dead Time: 49.5ns

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RDU = RDL Resistance (kΩ)

LG to UG Dead Time (ns)

UG to LG Dead Time (ns)

100

150

200

250

300

350

400

450

500

550

600

100

RDU = RDL Resistance (kΩ)

LG to UG Dead Time (ns)

UG to LG Dead Time (ns)

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