zsp4425 ywyn Corporation, zsp4425 Datasheet - Page 3

• Manufacturer Part Number: zsp4425
• Description: Electroluminescent Lamp Driver For 1.5v Or 2.2v To 4.5v Applications
• Manufacturer: ywyn Corporation

Electrical Characteristics
T
noted.
Bonding Diagram
Die Photo
Zywyn Corporation
A
Symbol
V
I
V
V
I
I
INDUCTOR DRIVE
f
I
EL LAMP OUTPUT
f
V
COIL
HON
SD
COIL
PK-COIL
LAMP
= +25°C, V
DD
COIL
HON
PP
= I
+ I
= f
Zywyn
COIL
DD
LAMP
+ I
DD
X 64
DD
= +3.0V, C
C
OSC
Parameter
Supply Voltage
Supply Current
Coil Voltage
HON Input Voltage
LOW: EL off
HIGH: EL on
HON Current
Shutdown Current
Coil Frequency
Coil Duty Cycle
Peak Coil Current
EL Lamp Frequency
Peak-to-Peak Output Voltage
LAMP
HON
76 x 46
MS133
= 4nF with 100Ω series resistance, Coil = 2mH at 44Ω, C
V
SS
V
DD
EL1
Condition
V
Internal pull-down,
V
V
Guaranteed by design
T
T
T
EL2
D1
Coil
A
A
A
HON
HON
HON
= +25°C, V
= +25°C, V
= +25°C, V
= V
= V
= 0V
DD
3
DD
= +3.0V
= +3.0V; See Figure 4
Notes:
1. Mask number is MS133.
2. Die size is 76 x 46 mils.
3. Die thickness is 11 mils +/- 1.
4. Bonding pads are 125 x 125 microns.
5. Die substrate down-bonds to Vss (GND).
DD
DD
DD
= +3.0V
= +2.2V
= +3.0V
INT
= 470pF, C
V
DD
– 0.25
Min
V
300
120
170
2.2
– 0.25
DD
OSC
= 180pF, unless otherwise
28.8
Typ
V
450
150
190
3.0
28
90
0
DD
5
1
V
DD
Max
0.25
600
4.5
4.5
35
20
90
+ 0.25
8
October 2005
ZSP4425
Units
kHz
rev. 04
mA
mA
μA
μA
Hz
%
V
V
V
V
V