ISL976787IBZ-T 查看數據表（PDF） - Renesas Electronics

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ISL976787IBZ-T

4-Channel LED Driver with Phase Shift Control and 10-Bit Dimming Resolution

Renesas Electronics 

ISL97687

Typical Performance Curves (Continued)

I_INDUCTOR

I_CH

V_OUT

V_CH

FIGURE 10. START-UP (DIRECT PWM DIMMING, VIN: 19V,

ICH: 120mA, LEDs: 4P18S, fDIM: 200Hz)

V_PWMI

V_LX

V_CH1

I_CH2

FIGURE 11. DIRECT PWM DIMMING (VIN: 19V, LEDs: 4P18S,

fDIM: 200Hz)

I_INDUCTOR

V_OUT

I_CH1

V_CH2

FIGURE 12. START-UP WITHOUT PHASE SHIFT (VIN : 19V,

ICH: 120mA, LEDs: 4P18S, fDIM: 200Hz)

V_CH1

I_INDUCTOR

I_INDUCTOR

V_OUT

I_CH1

V_CH2

FIGURE 13. START-UP WITH PHASE SHIFT (VIN : 19V, ICH: 120mA,

LEDs: 4P18S, fDIM: 200Hz)

V_CH1

I_INDUCTOR

I_CH2

I_CH2

FIGURE 14. PWM DIMMING WITHOUT PHASE SHIFT (VIN: 19V,

ICH: 120mA, LEDs: 4P18S, fDIM: 200Hz)

FN7714 Rev.3.00

Sep 13, 2017

FIGURE 15. PWM DIMMING WITH PHASE SHIFT (VIN: 19V,

ICH: 120mA, LEDs: 4P18S, fDIM: 200Hz)

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