ISL97635AIRZ-TK Intersil, ISL97635AIRZ-TK Datasheet - Page 3
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ISL97635AIRZ-TK
Manufacturer Part Number
ISL97635AIRZ-TK
Description
IC LED DRVR WHT/RGB BCKLGT 24QFN
Manufacturer
Intersil
Type
Backlight, White LED, RGBr
Datasheet
1.ISL97635AIRZ-TK.pdf
(28 pages)
Specifications of ISL97635AIRZ-TK
Topology
PWM, Step-Up (Boost)
Number Of Outputs
6
Internal Driver
Yes
Type - Primary
Automotive, Backlight
Type - Secondary
RGB, White LED
Frequency
600kHz, 1.2MHz
Voltage - Supply
6 V ~ 24 V
Voltage - Output
34.5V
Mounting Type
Surface Mount
Package / Case
24-VQFN
Operating Temperature
-40°C ~ 85°C
Current - Output / Channel
35mA
Internal Switch(s)
Yes
Efficiency
91%
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ISL97635AIRZ-TK
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ISL97635AIRZ-TK
Manufacturer:
INTERSIL
Quantity:
1 240
Block Diagram
SMBCLK
SMBDAT
PWMO
PWMI
VBL+ = 6V TO 24V
COMP
RSET
f
GND
VDC
PWM
CONTROL
LED PWM
OSC AND
REG
RAMP
COMP
VIN
VIN
INTERFACE
INTERFACE
SMBUS
3
+
+
-
-
AMP
GM
PWM BRIGHTNESS CONTROL
DC BRIGHTNESS CONTROL
REFERENCE
GENERATOR
Σ
IMAX
DEVICE CONTROL
FAULT
CONFIGURATION
FAULT/STATUS
IDENTIFICATION
= 0
FAULT/STATUS
REGISTERS
REGISTER
FIGURE 1. ISL97635A BLOCK DIAGRAM
ILIMIT
HIGHEST VF
LOGIC
DETECT
STRING
ISL97635A
PWM/OC/SC
AM
+
+
-
-
ISL97635A
DRIVER
FET
+
+
-
-
FAULT/STATUS
DETECT
OC, SC
REGISTER
DETECT
OC, SC
LX
LX
OVP
IIN0
IIN5
FAULT/STATUS
SENSOR
REGISTER
TEMP
(6 x 9 = 54 WHITE LEDS)
34.5V, 30mA PER STRING
PGND
December 22, 2008
FN6564.2