SP4424 Datasheet, PDF (2/12 Pages) Sipex Corporation – Electroluminescent Lamp Driver Dual Oscillators

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.....................................................................................................7.0
V Input Voltages/Currents
HON (pin1)...............................................................-0.5V to (V_DD+0.5V)
COIL (pin3)....................................................................................60mA
Lamp Outputs............................................................................230V
PP
Storage Temperature...................................................-65˚C to +150˚C
SPECIFICATIONS
Power Dissipation Per Package
8-pin NSOIC (derate 6.14mW^oC above +70^oC)..................500mW
8-pin µSOIC (derate 4.85mW^oC above +70^oC)...................390mW
The information furnished herein by Sipex has been carefully reviewed
for accuracy and reliability. Its application or use, however, is solely the
responsibility of the user. No responsibility for the use of this information
is assumed by Sipex, and this information shall not explicitly or implicitly
become part of the terms and conditions of any subsequent sales
agreement with Sipex. Specifications are subject to change without
prior notice. By the sale or transfer of this information, Sipex assumes
no responsibility for any infringement of patents or other rights of third
parties which may result from its use. No license or other proprietary
rights are granted by implication or otherwise under any patent or
patent rights of Sipex Corporation.
(T= 25°C; V_{DD =3.0V; Lamp Load = 55nF; Coil = 5mH at 18 Ohms; Coil OSC = 220pF, Lamp OSC = 1500pF unless otherwise noted)}
PARAMETER
MIN.
TYP.
MAX. UNITS
CONDITIONS
Supply Voltage, V
DD
Supply Current, I_COIL+I_DD
Coil Voltage, V_COIL
HON Input Voltage, V_HON
LOW: EL off
HIGH: EL on
HON Current, EL on
Shutdown Current, I_SD=I_COIL+I_DD
INDUCTOR DRIVE
2.2
3.0
5.0
V
35
50
mA
V_HON=3V
V_DD
.
5.0.
V
-0.25
0
0.25V
V
V_DD-0.25
V_DD
V_DD+0.25
10
µA
internal pulldown, V_HON=V_DD=3V
1
5
µA
V_HON=0V
Coil Frequency, f_COIL
Coil Duty Cycle
3
4
6
kHz
75
%
Peak Coil Current, I_PK-COIL
EL LAMP OUTPUT
60
mA Guaranteed by design.
EL Lamp Frequency, f_LAMP
Peak to Peak Output Voltage
150
200
100
250
400
Hz
T_AMB=+25^OC
T_AMB=-40^OC to +85^OC
60
90
100
130
60
120
160
T_AMB=+25^OC, V_DD=2.2V
V_PP
T_AMB=+25^OC, V_DD=3.0V
T_AMB=-40^OC to +85^OC, V_DD=3.0V
T =+25^OC, V =5.0V
AMB
DD
This data sheet specifies environmental parameters, final test conditions and limits as well suggested operating conditions.
For applications which require performance beyond the specified conditions and or limits please consult the factory.
Bonding Diagram:
HON
C_LAMP
SP4424
V_DD
EL 2
PAD
EL1
EL2
COIL
V_SS
HON
CAP2
CAP1
V_DD
X
586.0
586.0
586.0
-80.0
-562.5
-565.0
-562.5
588.0
Y
187.0
-143.0
-376.0
-417.0
397.0
-118.0
114.5
417.0
C_COIL
663A
SP4424DS/16
V_SS
EL1
Coil
NOTES:
1. Dimensions are in Microns unless otherwise noted.
2. Bonding pads are 125x125 typical.
3. Outside dimensions are maximum, including scribe area.
4. Die thickness is 10 mils +/- 1.
5. Pad center coordinates are relative to die center.
6. Die size 1498 x 1168 ( 59 x 46 mils).
SP4424 Electroluminescent Lamp Driver
© Copyright 2000 Sipex Corporation
2