ISL97678IRZ 查看數據表（PDF） - Renesas Electronics

零件编号

产品描述 (功能)

比赛名单

ISL97678IRZ

8-Channel 45V, 50mA LED Driver

Renesas Electronics 

ISL97678

Typical Performance Curves (Continued)

VO (1V/DIV)

VO (1V/DIV)

ILED (20mA/DIV)

FIGURE 20. LOAD REGULATION WITH ILED CHANGES FROM 0.4% TO

100% PWM DIMMING

ILED (20mA/DIV)

FIGURE 21. LOAD REGULATION WITH ILED CHANGES FROM 100% TO

0.4% PWM DIMMING

VO (1V/DIV)

VO (500mV/DIV)

ILED (20mA/DIV)

ILED (20mA/DIV)

FIGURE 22. LOAD REGULATION WITH ILED CHANGES FROM 0% TO

100% PWM DIMMING

VO (20V/DIV)

EN (5V/DIV)

IIN (1A/DIV)

ILED (50mA/DIV)

FIGURE 23. LOAD REGULATION WITH ILED CHANGES FROM 100% to

0% PWM DIMMING

FPWM = 30KHz

100nSec/DIV

PWM Input (1V/DIV)

ILED (20mA/DIV)

FIGURE 24. DISABLE PROFILE

FN6998 Rev.3.00

Sep 8, 2017

FIGURE 25. MINIMUM 0.4% PWM DIMMING DUTY CYCLE

Page 10 of 17

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