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參數(shù)資料
| 型號(hào)： | SP4405NEB |
| 英文描述： | Low Voltage Electroluminescent Lamp Driver with Regulated Output Voltage |
| 中文描述： | 低電壓電致發(fā)光燈驅(qū)動(dòng)器，輸出電壓 |
| 文件頁數(shù)： | 3/20頁 |
| 文件大?。?/td> | 158K |
| 代理商： | SP4405NEB |
SP4405DS/18
SP4405 Low Voltage Electroluminescent Lamp Driver
3
Copyright 2000 Sipex Corporation
PINOUT
ELEN
V
DD
EL2
R
OSC
V
SS
COIL
EL1
C
INT
SP4405
8
7
4
3
2
1
5
6
PIN ASSIGNMENTS
Pin 1 — ELEN — Eluminescent Lamp Enable.
When driven HIGH, this input pin enables
the EL driver output EL1 and EL2 (pins 4 and
5, respectively) to the EL lamp.
Pin 2 — V
— Power Supply Common.
Connect to the lowest circuit potential,
typically ground.
Pin 3 — COIL — Coil. The inductor for the
EL lamp is connected from V
BATTERY
to this
input pin.
Pin 4 — EL1 — Eluminescent Lamp. This is
a lamp driver output pin to connect to the
EL lamp.
Pin 5 — EL2 — Eluminescent Lamp. This is
a lamp driver output pin to connect to the
EL lamp.
Pin 6 — V
— Positive Battery Power Supply.
Connect such that +2.2V < V
DD
< +4.5V.
Pin 7 — C
— Integrating Capacitor.
Connecting a fast recovery diode from
COIL (pin 3) to this input pin increases
the light output of the EL lamp. An
integrating capacitor (0.1
μ
F) connected
from this pin to ground filters out any coil
switching spikes or ripple present in the
output waveform to the EL lamp.
Pin 8 — R
OSC
— Oscillator Resistor. Connecting
a 450k
resistor to this input pin sets the
frequency of the internal clock.
TEST CIRCUIT
R
OSC
V
SS
COIL
C
INT
SP4405
V
BATTERY
C1
0.1
μ
F
OSC
R
L1
470
μ
H
3
6
8
1
7
2
ELEN
1D1
C
INT
0.1
μ
F
V
DD
EL2
EL1
EL Lamp
5
4
C2
1nF
6.8nF
50
50
1M
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| SP4412 | Electroluminescent Lamp Driver |
| SP4412A | Electroluminescent Lamp Driver |
| SP4412ACN | Electroluminescent Lamp Driver |
| SP4412ACU | Electroluminescent Lamp Driver |
| SP4412ACX | Electroluminescent Lamp Driver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP4405UEB | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Low Voltage Electroluminescent Lamp Driver with Regulated Output Voltage |
| SP4412 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Electroluminescent Lamp Driver |
| SP4412A | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Electroluminescent Lamp Driver |
| SP4412ACN | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Electroluminescent Lamp Driver |
| SP4412ACU | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Electroluminescent Lamp Driver |
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