ISL97672 Intersil, ISL97672 Datasheet - Page 2

• Manufacturer Part Number: ISL97672
• Description: 6-Channel LED Driver
• Manufacturer: Intersil

Block Diagram
VDC
/FLAG
EN
PWM
VIN = 4.5V~26V
RSET
GND
COMP
REG
REG
OSC &
RAMP
Comp
VIN
Fault
Flag
GENERATOR
2
PWM
+
REF_OVP
-
Bias
fsw
REF
GEN
AMP
GM
REF_VSC
FAULT
ISL97672
FIGURE 2. ISL97672 BLOCK DIAGRAM
(Optional Q1)
VSET
Σ
=0
Imax
ILIMIT
ISL97672
Fault
Flag
10uH/3A
String Detect
Highest VF
Logic
Fault/Status Control
PWM0
+
-
O/P Short
PWM1
Driver
FET
Boost SW
+
-
PWM5
Open Ckt, Short Ckt
+
-
0
LX
Detects
OVP
p e
Sensor
1
Temp
Fault
Flag
4.7uF/50V
5
CH0
CH1
CH5
OVP
PGND
45V*, 25mA per string
78 (6x13) LEDs
V
* Vin > 6V
40mA
IN
www.DataSheet4U.com
> 12V
June 24, 2010
FN7632.0