zsp4423 ywyn Corporation, zsp4423 Datasheet

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zsp4423

Manufacturer Part Number
zsp4423
Description
Electroluminescent Lamp Driver Low Power Applications
Manufacturer
ywyn Corporation
Datasheet

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Zywyn Corporation • Tel (408) 733-3225 • Fax (408) 733-3206 • Email sales@zywyn.com • www.zywyn.com
specifications subject to change without notice
Features
• +2.2V to +5.0V battery operation
• 10nA typical standby current
• High voltage output typical 160V
• Internal oscillator
Applications
• PDAs
• MP3 players
• Cellular phones
• Remote controls
• Handheld computers
Pin Configuration
HON
COIL
V
EL2
SS
Zywyn
1
4
2
3
8-Pin nSOIC/MSOP
Zywyn
ZSP4423
8
7
6
5
PP
CAP2
CAP1
V
EL1
DD
General Description
The ZSP4423 is a high voltage output DC-AC converter
that can operate from a +2.2V to +5.0V power supply. The
ZSP4423 is designed with our proprietary high voltage
BiCMOS technology and is capable of supplying up to
200V
minescent lamps. The device features 10nA (typical)
standby current, for use in low power portable products.
An inductor is used to generate the high voltage, and an
external capacitor is used to select the oscillator fre-
quency. The ZSP4423 is offered in an 8-pin narrow SOIC
package or an 8-pin MSOP package. For delivery in die
form, please consult the factory.
Ordering Information
Please contact the factory for pricing and availabiliy on a Tape-on-Reel
and Green Package
Please contact the factory for EL driver design support and availability
of custom-made evaluation demo boards.
See our web site for Application Note
for custom-made evaluation demo boards.
Part Number
ZSP4423CN
ZSP4423LCN
ZSP4423CU
ZSP4423LCU
ZSP4423CX
ZSP4423NEB
ZSP4423UEB
PP
signals, making it ideal for driving small electrolu-
Electroluminescent Lamp Driver
Temperature Range
option.
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C 8-Pin MSOP Green
-40°C to +85°C
0°C to +70°C
Low Power Applications
n/a
n/a
AN007
8-Pin nSOIC Green
regarding requirements
nSOIC Eval. Board
MSOP Eval. Board
Die in Wafflepack
Package Type
8-Pin nSOIC
ZSP4423
8-Pin MSOP
January 2005
rev. 02

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zsp4423 Summary of contents

Page 1

... An inductor is used to generate the high voltage, and an external capacitor is used to select the oscillator fre- quency. The ZSP4423 is offered in an 8-pin narrow SOIC package or an 8-pin MSOP package. For delivery in die form, please consult the factory. ...

Page 2

... S OSC Condition V = +3.0V +3.0V DD HON V = +5.0V +5.0V DD HON +3.0V HON +5.0V HON +3.0V HON V = +5.0V HON Guaranteed by design V = +3. +3. ZSP4423 Min Typ Max Units 2.2 3 –0. – µA 50 120 10 200 nA 0.3 1 µA 9.6 ...

Page 3

... Coil input: connect coil from V Lamp driver output 2: connect to EL lamp. Lamp driver output 1: connect to EL lamp. Power supply for driver: connect to system V Capacitor Input 1: connect to C Capacitor Input 2: connect EL1 EL2 this pin OSC . OSC ZSP4423 January 2005 rev. 02 ...

Page 4

... The maximum external clock frequen- cies that can be supplied is 400kHz. The coil is an external component connected from V to pin 3 of the ZSP4423. Energy is stored in the BATTERY coil according to the equation E =1/2LI L peak current flowing in the inductor. The current in the inductor is time dependent and is set by the “ ...

Page 5

... Zywyn Corporation Typical Application Contact the factory for any technical or application support. Test Circuit HON=V HON=0V=OFF V = NOTE: Keep coil as close to the ZSP4423 as possible Zywyn Figure 2. Typical Application Circuit =ON DD HON Cap2 V Cap1 SS Coil V DD EL2 EL1 ZSP4423 Figure 3. Test Circuit ...

Page 6

... Figure 6. EL Voltage Waveforms from the EL1 and EL2 Outputs Figure 7. EL Differential Output Waveform of the EL1 and EL2 Outputs Zywyn V =80V (typical) PEAK EL1 Output -EL2 Output Differential Representation ZSP4423 EL1 Output -EL2 Output V =160V PP (typical) January 2005 rev. 02 ...

Page 7

... Zywyn Corporation Typical Performance Characteristics ZSP4423 Total Supply Current vs. Temperature V =3.0V; Coil=20mH/70Ω; C =150pF; Load=6nF DD OSC -40 - Temperature ( C) ZSP4423 Light Output vs. Temperature V =3.0V; Coil=20mH/70Ω; C =150pF; Lamp=3in DD OSC -40 - Temperature ( C) Zywyn ZSP4423 Peak-to-Peak Voltage vs. Temperature ...

Page 8

... Bayside Business Park 48500 Fremont, CA. 94538 Phone: 510 445 5400 Fax: 510 445-5480 Top Polarizer- NPF F1205DU Bottom - NPF F4225 or (F4205) P3 w/transflector 8 ZSP4423 Transflector Material Astra Products Mark Bogin P.O. Box 479 Baldwin, NJ 11510 Phone (516)-223-7500 Fax (516)-868-2371 EL Lamp Manufacturers Leading Edge Ind ...

Page 9

... BSC 0.116 ±0.004 0.013 ±0.005 0.118 ±0.002 50 ZSP4423CU per tube nSOIC-8 13" reels: P=8mm, W=12mm MSOP-8 13" reels: P=8mm, W=12mm Standard qty per reel 500 2500 9 ZSP4423 8-pin MSOP 12.0û ±4û 0.012 0.008 ± ...

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