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ISL97678IRZ View Datasheet(PDF) - Intersil
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Description
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ISL97678IRZ
8-Channel 45V 50mA LED Driver
Intersil
ISL97678IRZ Datasheet PDF : 18 Pages
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ISL97678
Typical Application Circuit
VIN* = 4.75V~26V
Ci
10uF
1uF
8x12 = 96 LEDs
L1
D1
Output 45V*, 50mA per string max
10uH/3A
Co
ISL97678
LX1
20
16
VIN
LX2
21
18
VDC
1uF
10
VLOGIC
OVP
23
3x4.7uF
100pF
3.3nF
806k
Ω
22k
Ω
3.3nF
15k
Ω
4
PWM
17
EN
14
COMP
14.2k
Ω
13
RSET
50k
Ω
11
FSW
12
FPWM
333k
Ω
2
AGND
3
AGND
6
AGND
7
AGND
8
AGND
9
AGND
5
AGND
15
AGND
CH1
25
CH2
26
CH3
27
CH4
28
CH5
29
CH6
30
CH7
31
CH8
32
PGND
1
PGND
19
PGND
22
* Vin > = 12V for 45V/50mA
Applications
FIGURE 1. ISL97678 TYPICAL APPLICATION DIAGRAM
2
FN6998.1
November 5, 2009
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