SP4403EU Sipex Corporation, SP4403EU Datasheet
SP4403EU
Manufacturer Part Number
SP4403EU
Description
Manufacturer
Sipex Corporation
Specifications of SP4403EU
Date_code
03
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SP4403EU
Manufacturer:
SIPEX
Quantity:
20 000
APPLICATIONS
DESCRIPTION
The SP4403 is a high voltage output DC-AC inverter specifically designed to drive
electroluminescent lamps to backlight liquid crystal displays, keypads, and backlit readouts
used in battery operated portable equipment. The SP4403 will operate from a +2.2V to +4.5V
battery source. The device features a low power shutdown mode which draws less than
100nA (typical), ideal for low power portable products. One external inductor is required to
generate the high voltage AC output. One external resistor is used to select the internal
oscillator frequency. The SP4403 is ideal for portable applications such as cellular phones,
PDAs, and other portable applications using LCDs in dim or low light environments. The
SP4403 is offered in 8 pin SOIC packages.
SP4403DS/05
ELEN
COIL
+2.2V to +4.5V Battery Operation
DC-to-AC Converter Produces Up To
Single Resistor Controlled Internal Oscillator
Low Current Standby Mode
Features
Pagers
Cellular Phones
PDAs
220V
• High Efficiency Super Driver Architecture
• Uses Small 470 H Coil
Low Voltage Electroluminescent Lamp Driver
EL1
V
SS
PP
for EL Display Panels
1
2
3
4
SP4403
®
8
7
6
5
SP4403 Electroluminescent Lamp Driver
R
C
V
EL2
OSC
INT
DD
1
0.1 F
C1
V
BATT
450k
ELEN
R
OSC
10nF
C2
R
V
OSC
DD
EL Lamp
1
6
8
2
V
SS
SP4403
© Copyright 2000 Sipex Corporation
EL1
4
5
EL2
SP4403
7
3
COIL
C
INT
*
optional device
1800pF
1N4148
470 H
C
L1
D1
INT
*
*
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