IMP525
Enable/Disable Operation
Figure 2
shows how the IMP525 can be enabled via a logic gate that
connects R
SW
to V
DD
, and disabled by connecting it to ground.
The IMP525 can also be disabled using a pad on the die. The
Disable function pin is not available in packaged parts.
Enable/Disable Table
R
SW
Connection
V
DD
Ground
ON = V
DD
OFF = 0V
IMP525 State
Enabled
Disabled
CMOS
Gate
Disable PAD Connection
(Available only with dice)
HIGH (V
DD
)
LOW (Ground)
IMP525 State
Disabled
Enabled
R
EL
1
V
DD
L
1
D
R
SW
R
EL-OSC
V
A
V
B
GND
8
7
EL lamp
2
R
SW-OSC
3
C
S
6
5
+
V
DD
1N4148
4
L
X
0.1µF
2
15V
0.1µF
100V
–
C
S
0.1nF
3
IMP525
Note:
1. Murata part # LQH4N561K04 (DC resistance <14.5
Ω
)
2. Larger values may be required depending upon supply impedance.
3. Optional noise-suppression capacitor.
525_04.eps
Figure 2. Enable/Disable Operation
High Voltages Present
The IMP525 generates high voltages and caution should
be exercised.
Inductor Manufacturers
Manufacturer
Toko
Coilcraft
River Electronics
Series
USA Phone Number
D52FU
(847) 297-0070
DS1608, DO1608, DT1608
(847) 639-6400
FLC32
(310) 320-7488
6
IMP [ IMP, INC ]
