ISL97675 Intersil Corporation, ISL97675 Datasheet - Page 2
ISL97675
Manufacturer Part Number
ISL97675
Description
4-Channel LED Driver
Manufacturer
Intersil Corporation
Datasheet
1.ISL97675.pdf
(20 pages)
- Current page: 2 of 20
- Download datasheet (582Kb)
Block Diagram
FPWM/DirectPWM
FSW/
PHASESHIFT
PWM
VIN* = 4.5V~26V
EN
COMP
VDDIO
ISET
GND
VIN
DETECT
FSW
OSC &
COMP
RAMP
REG
DIRECTPWM
DIGITIZER
DETECT
PHASE
SELECT
8-BIT
+
-
SELECT
PHASE
REF VSC
REF OVP
4.75V BIAS
AMP
GM
CONTROLLER
REF
GEN
SHIFT &
PHASE
PWM
Σ = 0
8-BIT
DAC
VSET
IMAX
FAULT
DRV
FET
FAULT
HEADROOM
ILIMIT
CONTROL
DYNAMIC
OPTIONAL PFET
ISL97675
LOGIC
HIGHEST VF
+
-
10µH/3A
DETECT
STRING
O/P SHORT
DRIVER
FET
FPO
+
-
OPEN CKT, SHORT CKT
1
+
-
SW
DETECTS
OVP
SHUTDOWN
SENSOR
2
TEMP
4.7µF/50V
4
FB2
FB1
FB4
OVP
PGND
45V*/30mA PER STRING
* V
IN
48 (4x12) LEDS
≥ 6V
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