ISL97678IRZ 데이터 시트보기 (PDF) - Intersil
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ISL97678IRZ Datasheet PDF : 18 Pages
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ISL97678
Typical Performance Curves (Continued)
VIN (10V/DIV)
IIN (500mA/DIV)
VIN (10V/DIV)
IIN (500mA/DIV)
ILED (50mA/DIV)
FIGURE 17. LINE REGULATION WITH VIN CHANGES
FROM 12V TO 26V DISABLE PROFILE
ILED (50mA/DIV)
FIGURE 18. LINE REGULATION WITH VIN CHANGES
FROM 26V TO 12V
VO (1V/DIV)
VO (1V/DIV)
ILED (20mA/DIV)
FIGURE 19. LOAD REGULATION WITH ILED CHANGES
FROM 0.4% TO 100% PWM DIMMING
ILED (20mA/DIV)
FIGURE 20. 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 21. LOAD REGULATION WITH ILED CHANGES
FROM 0% TO 100% PWM DIMMING
FIGURE 22. LOAD REGULATION WITH ILED CHANGES
FROM 100% to 0% PWM DIMMING
10
FN6998.1
November 5, 2009
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