ISL97671AIRZ-EVALZ View Datasheet(PDF) - Renesas Electronics

Part Name

Description

MFG CO.

ISL97671AIRZ-EVALZ

6-Channel SMBus/I2C or PWM Dimming LED Driver with Phase Shift Control

Renesas Electronics 

ISL97671A

Typical Performance Curves (Continued)

6P12S, 20mA/CH

VO = 1V/DIV

10.0ms/DIV

ILED = 20mA/DIV

6P12S, 20mA/CH

VO = 1V/DIV

10.0ms/DIV

ILED = 20mA/DIV

FIGURE 15. BOOST OUTPUT VOLTAGE WITH BRIGHTNESS CHANGE

FROM 0% TO 100%, VIN = 12V, 6P12S AT

20mA/CHANNEL

FIGURE 16. BOOST OUTPUT VOLTAGE WITH BRIGHTNESS CHANGE

FROM 100% TO 0%, VIN = 12V, 6P12S AT

20mA/CHANNEL

6P12S, 20mA/CH

VO = 10V/DIV

20.0ms/DIV

ILED = 20mA/DIV

EN

I_VIN = 1A/DIV

FIGURE 17. ISL97671A SHUTS DOWN AND STOPS SWITCHING

~30ms AFTER EN GOES LOW

0.0030

0.0025

0.0020

0.0015

0.0010

0.006 0.007

0.008

FPWM = 200Hz

NO CH CAPS

ILED = 20mA @ 100% DUTY CYCLE

0.009 0.010 0.011 0.012 0.013 0.014

PWM DIMMING DUTY CYCLE (%)

FIGURE 18. DIRECT PWM DIMMING LINEARITY AT VERY LOW DUTY

CYCLE

FN7709 Rev.4.00

Sep 14, 2017

Page 10 of 28

Share Link: