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參數(shù)資料
| 型號： | SP4491 |
| 英文描述： | Two Panel Electroluminscent Lamp Driver |
| 中文描述： | 兩個小組Electroluminscent燈驅動器 |
| 文件頁數(shù)： | 3/13頁 |
| 文件大?。?/td> | 155K |
| 代理商： | SP4491 |
Rev. 12/19/00
SP4491 Two Panel Electroluminescent Lamp Driver
3
Copyright 2000 Sipex Corporation
PIN ASSIGNMENTS
Pin 1 — ELEN1 — Electroluminescent Lamp
Enable Control Line 1. This is a control line
to enable a single or dual EL lamp output.
Refer to Table 1 for the control logic.
Pin 2 — V
— Positive Battery Power Supply.
Connect such that +2.636V < V
DD
< +3.15V.
Pin 3 — R
— Oscillator Resistor. Connecting
a resistor between this input pin andV
DD
sets
the frequency of the internal clock.
Pin 4 — ELEN2 — Electroluminescent Lamp
Enable Control Line 2. This a control line to
enable a single or dual EL lamp output. Refer
to Table 1 for the control logic.
Pin 5 — V
— Power Supply Common. Con-
nect to the lowest circuit potential, typically
ground.
Pin 6 — COIL — Coil. The inductor for the
boost converter is connected from V
BATT
to
this input pin.
Pin 7 — CAP — Integrator Capacitor. An
integrating capacitor (1800pF typically)
connected from this pin to ground filters out
any coil switching spikes or ripple present in
the output waveform to the EL lamps. Con-
necting a fast recovery diode from COIL to
CAP increases the light output of the EL
lamp.
Pin 8 — EL COMMON — Electroluminescent
Common. This is a high voltage lamp driver
output pin common to both EL lamps.
Pin 9 — EL2 — Electroluminescent Lamp Out-
put 2. This is a high voltage lamp driver
output pin connect to the second EL lamp.
Pin 10 — EL1 — Electroluminescent Lamp
Output 1. This is a high voltage lamp driver
output pin to connect to the first EL lamp.
PINOUT
R
OSC
V
DD
ELcommon
EL1
1
2
3
4
7
8
9
10
V
SS
5
EL2
COIL
6
CAP
SP4491
ELEN1
ELEN2
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SP4491EU | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Two Panel Electroluminscent Lamp Driver |
| SP4491UEB | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Two Panel Electroluminscent Lamp Driver |
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