ISL97682 Datasheet, PDF (9/17 Pages) Intersil Corporation – Compact 2-3-4-Ch LED Drivers with Phase Shift Control

ISL97682, ISL97683, ISL97684
Typical Performance Curves (Continued)
V_O (1V/DIV)
ILED (20mA/DIV)
V_OVUouTt((₅5₀0_mm_VV_/D/D_ivI₎V)
LX^Lx=⁼2²0⁰V^V/^/D^diI^vV)
FIGURE 15. LOAD REGULATION WITH ILED CHANGE FDROM 100%
TO 0% PWM DIMMING, V_IN = 12V AT 20mA/CH
FIGURE 16. V_OUT RIPPLE VOLTAGE, V_IN = 12V, 4P10S AT 20mA/CH
V^V_O^o_U^ut_T
I_INIin(₍₀0_..₅5_AA_/d/_ivD₎ IV)
E_EN_N
ILED^ILE(^D2⁽0²m^0mA^A/^/D^divIV⁾ )
V_OV_Uou_Tt
I_II_Nin(0.5A/dDivIV) )
IL_IE_LD_ED(2₍₂0₀m_mA_A/_/D_diI_vV₎)
E_EN_N
FIGURE 17. IN-RUSH AND LED CURRENT AT V_IN = 5V FOR 4P10S
AT 20mA/CH
FIGURE 18. IN-RUSH AND LED CURRENT AT V_IN = 12V FOR 4P10S
AT 20mA/CH
9
FN7689.0
March 11, 2011