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參數資料
| 型號： | SP4438UEB |
| 英文描述： | RECTIFIER BRIDGE 25A 100V 300A-ifsm 1.1V-vf 5uA-ir GBPCW 100/TRAY |
| 中文描述： | 超靜音電致發(fā)光燈為蜂窩電話應用程序 |
| 文件頁數： | 3/19頁 |
| 文件大小： | 223K |
| 代理商： | SP4438UEB |
3
Rev.11/13/00
SP4438 Ultra-Quiet Electroluminescent Lamp Driver Copyright 2000 Sipex Corporation
PIN ASSIGNMENTS
Pin 1 — V
— Positive Battery Power Supply.
Connect such that +2.7V < V
DD
< +3.3V.
Pin 2 — ELEN — Electroluminescent Lamp
Enable. When driven HIGH, this input pin
enables the EL driver outputs for EL1 and
EL2. This pin has an internal pulldown
resistor.
Pin 3 — R
— Oscillator Resistor. Connect-
ing a resistor to this input pin sets the fre-
quency of the internal clock.
Pin 4 — V
— Power Supply Common. Con-
nect to the lowest circuit potential, typically
ground.
Pin 5 — COIL — The inductor for the EL lamp
is connected from V
DD
to this input pin.
Pin 6 — C
— Integrating Capacitor. An
integrating capacitor (47nF typical) con-
nected from this pin to ground filters out any
coil switching spikes or ripple present in the
output waveform to the EL lamp. Connect-
ing a fast recovery diode from COIL to C
INT
increases the light output of the EL lamp.
Pin 7 — EL2 — Electroluminescent Lamp Out-
put 2. This is a high voltage lamp driver
output pin to connect to the EL lamp.
Pin 8 — EL1 — Electroluminescent Lamp Out-
put 1. This is a high voltage lamp driver
output pin to connect to the EL lamp.
V
DD
C
INT
EL1
ELEN
R
OSC
V
SS
COIL
EL2
SP4438
8
7
4
3
2
1
5
6
PINOUT
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相關代理商/技術參數 |
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| SP4446EK/TR | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High Output Voltage Boost Regulator LCD Bias Regulator |
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