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SP4416EU Datasheet

  • SP4416EU

  • Electroluminescent Lamp Driver with 4-Level Light Intensity ...

  • 13頁

  • SIPEX

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SP4416
Electroluminescent Lamp Driver with
4-Level Light Intensity Selection Feature
s
4-Level, Software Selectable Light
Intensity Function
s
75%-80%-85%-100% Intensity
Level Options
s
Extends Standby Time & Battery Life
when used in Conjunction with Power
Management Devices
s
Requires only 2 External Components:
Oscillator Setting Capacitor and Inductor
s
Low Power +3.3V Operation
s
100nA Standby Current
s
Space-Saving 10-pin
碌SOIC
Package
APPLICATIONS
s
Cellular Phones
s
LCD Displays & Keypads
s
PDAs
s
Handheld Portable Electronic Devices
DESCRIPTION
The
SP4416
is a high voltage output DC-AC converter that operates from a 3.3V battery and
generates up to 220V
PP
AC output. As with
Sipex's
other electroluminescent driver products,
the AC output is used to generate light in an electroluminescent lamp. The
SP4416
incorporates
an intensity select feature within the enable circuit so that the user can program the desired
light intensity. The
SP4416
uses only two external components to generate light; the oscillator
capacitor and inductor. The ENLI pin is used for either an enable function or a step-up intensity
function. Four light intensities can be set by strobing the ENLI pin in a defined time period.
The
SP4416
with the intensity function can be used in cellular phone applications, PDA's, and
other hand-held CPU controlled equipment.
C
OSC2
C
OSC1
V
SS
EL1
C
S
1
2
3
4
5
SP4416EU
10
9
8
7
6
ENLI
V
DD
V
EE
EL2
COIL
SP4416DS/06
SP4416 Electroluminescent Lamp Driver with 4-Level Light Intensity Selection Feature
漏 Copyright 1999 Sipex Corporation
1

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