ISL97672A
ISL97672A is 6-Channel LED Driver manufactured by Renesas.
Features
- 6 x 50m A Channels
- 4.5V to 26.5V Input
- 45V Output Max
- Adaptive Boost Switching Architecture
- Direct PWM Dimming with Dimming Linearity of
0.007%~100% at 200Hz or 0.8%~100% <20k Hz
- Adjustable 200k Hz to 1.4MHz Switching Frequency
- Dynamic Headroom Control
- Fault Protections with Latched Flag Indication
- String Open/Short Circuit
- OVP
- OTP
- Optional Output Short-Circuit Fault Protection Switch
- Current Matching ±0.7%
- 20 Ld 3x4 QFN Package
Applications
- Notebook Displays LED Backlighting
- LCD Monitor LED Backlighting
- Multi-Function Printer Scanning Light Source
Typical Application Circuit
VIN = 4.5~26.5V
Q1(OPTIONAL)
VOUT = 45V- , 6 x 50m A
1 FAULT
2 VIN 4 VDC
LX 20 OVP 16
6 FLAG 18 P
3 EN 5 PWM 17 RSET 8 FSW 9 AGND
PGND 19
CH0 10 CH1 11 CH2 12 CH3 13 CH4 14 CH5 15
- VIN > 12V
FIGURE 1. ISL97672A TYPICAL APPLICATION DIAGRAM
FN7710 Rev.4.00 Sep 14, 2017
Page 1 of 17
Block Diagram
VIN = 4.5V~26.5V
EN VDC
FLAG
(OPTIONAL Q1)...
