ISL97672IRZ Intersil, ISL97672IRZ Datasheet - Page 2

• Manufacturer Part Number: ISL97672IRZ
• Description: IC LED DVR PWM CTRL 6CH 20QFN
• Manufacturer: Intersil

Specifications of ISL97672IRZ

• Constant Current: *
• Constant Voltage: *
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 6
• Internal Driver: Yes
• Type - Primary: Automotive, Backlight
• Frequency: 200kHz ~ 1.5MHz
• Voltage - Supply: 4.5 V ~ 26.5 V
• Voltage - Output: *
• Mounting Type: Surface Mount
• Package / Case: 20-VFQFN Exposed Pad
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 40mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
> 12V
November 1, 2010
FN7632.1