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部品番号
コンポーネント説明
A8504 データシートの表示(PDF) - Allegro MicroSystems
部品番号
コンポーネント説明
メーカー
A8504
WLED/RGB Backlight Driver for Medium Size LCDs
Allegro MicroSystems
A8504 Datasheet PDF : 18 Pages
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A8504
WLED/RGB Backlight Driver for Medium Size LCDs
Functional Block Diagram
V
IN
5 V ±10%
C
IN
COMP
C
C
VIN
Reference
and
+
Soft Start
–
V
BAT
5 to 25 V
C
BAT
L1
D1
V
OUT
SW SW
COUT
+
–
RQ
S
∑
ROVP
SKIP
FSET
R
FSET
AGND
GND
SEL1
SEL2
SEL3
PWM
100 k
Ω
OSC
Feedback
Loop
On/Off
PWM Generator
I
OUT_SET
R
ISET
ISET
100 k
Ω
PGND LGND
PGND
Current Sinks
OVP
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
Allegro MicroSystems, Inc.
3
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1
.
508.853.5000; www.allegromicro.com
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