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SP4426 Datasheet(PDF) 2 Page - Sipex Corporation

Part No. SP4426
Description  Electroluminescent Lamp Driver with High Output Drivers
Download  11 Pages
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Maker  SIPEX [Sipex Corporation]
Homepage  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP4426 Datasheet(HTML) 2 Page - Sipex Corporation

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SP4426DS/01
SP4426 Electroluminescent Lamp Driver
© Copyright 1997 Sipex Corporation
2
SPECIFICATIONS
(T= 25
°C; V
dd = 3.0V; Lamp Capacitance = 6000pF; Coil = 9 mH (RS = 30Ω); Cosc = 150pF unless otherwise noted)
PARAMETER
MIN.
TYP.
MAX.
UNIT
CONDITIONS
INPUT CHARACTERISTICS
Supply Voltage
2.2
3.0
6.0
Volts
Total Supply Current
8
15
mA
Vdd= 3.0V
±5%; Hon= 3.0V
15
50
mA
Vdd= 6.0V
±5%; Hon= 6.0V
150
Ω in series with coil
Quiescent Supply Current
10
200
nA
Vdd= 3.0V
±5%; Hon= 0V
0.3
1
µA
Vdd= 6.0V
±5%; Hon= 0V
150
Ω in series with coil
Clock Frequency
76.8
kHz
Cosc=150pF; Vdd = 3.0V, (f
L x 256)
Hon Voltage On
Vdd-.5
Vdd
Volts
Hon Current On
25
60
µA
Vdd = 3.0V
50
120
µA
Vdd = 6.0V
Hon Voltage Off
Vdd-2
Volts
Vdd = 3.0V
Vdd-3
Volts
Vdd = 6.0V
INDUCTOR DRIVE
Peak Current
60
mA
Pulse Rate
9.6
kHz
(f
L x 32)
Duty Cycle
94
%
LAMP OUTPUT
Differential Voltage
120
160
Vpp
Frequency
200
300
400
Hz
Vdd = 3.0V
225
300
450
Hz
Vdd = 6.0V
Lamp Capacitance
6000
pF
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the device at
these ratings or any other above those indicated in the operation sections
of the specifications below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may affect reliability.
V
dd............................................................................................................7.0V
Input Voltages/Currents
HON (pin1)..........................................-0.5V to (V
dd+0.5V)
COIL (pin3)..............................................................60mA
Lamp Outputs.............................................................................250Vpp
Storage Temperature....................................................-65˚C to +150˚C
Power Dissipation.......................................................................200mW


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