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SP4425CU データシートの表示(PDF) - Signal Processing Technologies
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コンポーネント説明
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SP4425CU
Electroluminescent Lamp Driver Low Voltage Applications
Signal Processing Technologies
SP4425CU Datasheet PDF : 14 Pages
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Pager Application
HON=V
DD
=ON
HON=0V=OFF
V
IN
=1.5V
+
–
C
OSC
=180pF
IN4148
NOTE:
Keep coil as close to
SP4425 as possible
C
INT
=1800pF
C
OSC
V
SS
Coil
HON
V
DD
EL1
D1
EL2
SP4425
Typical SP4425 Application Circuit
0.1
µ
F Low ESR
Decoupling
Capacitor
EL Lamp 5Ftl
1.5 sq.in.
4nF
NOTE:
Keep high voltage traces
short and away from V
DD
and clock lines
HON=V
DD
=ON
HON=0V=OFF
V
IN
=+1.5V
C
OSC
=180pF
IN4148
NOTE:
Keep coil as close to
SP4425 as possible
C
INT
=1800pF
C
OSC
V
SS
Coil
HON
V
DD
EL1
D1
EL2
SP4425
SP4425 1.5V Test Circuit
0.1
µ
F Low ESR
Decoupling
Capacitor
100
Ω
5Ftl
8.2nF
NOTE:
Keep high voltage traces
short and away from V
DD
and clock lines
HON=V
DD
=ON
HON=0V=OFF
V
IN
=3V
C
OSC
=180pF
+
–
IN4148
NOTE:
Keep coil as close to
SP4425 as possible
C
int
= 470pF
C
OSC
V
SS
Coil
HON
V
DD
EL1
D1
EL2
SP4425
0.1
µ
F Low ESR
Decoupling
Capacitor
100
Ω
5Ftl
4nF
NOTE:
Keep high voltage traces
short and away from V
DD
and clock lines
SP4425 3V Test Circuit
SP4425DS/20
SP4425 Electroluminescent Lamp Driver
7
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