zsp4423 ywyn Corporation, zsp4423 Datasheet - Page 3

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

Block Diagram
Pin Description
Zywyn Corporation
Pin Number
Zywyn
1
2
3
4
5
6
7
8
C
OSC
= 150pF
7
8
0.1µF
Pin Name
CAP1
CAP2
COIL
HON
Cap1
Cap2
EL2
EL1
V
FF1
V
OSC
SS
DD
V
V
DD
DD
6
2
V
FF2
SS
Figure 1. Block Diagram
Pin Function
Enable for driver operation: high = active; low = inactive.
Power supply common: connect to ground.
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 to C
Q
Q
1
HON
3
f
f
COIL
LAMP
f
LAMP
Coil
V
BATTERY
3
EL Lamp
20mH/70Ω
HV
1
DD
OSC
OSC
to this pin.
.
.
EL2
4
DD
5
EL1
.
HV
2
January 2005
ZSP4423
rev. 02