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General Description:
The DurelD340B is part of a family of highly integrated EL
drivers based on Durel’s patented three-port (3P) topology, which
offers built-in EMI shielding. This low-cost, regulated device is
well suited for backlighting timepieces and small liquid crystal
displays for portable electronic applications.
• SmallSystemFootprint
• Timepieces
• Regulated AC output voltage
• Pagers
• Low Standby Current
• Calculators
• HighEfficiency
• Handsets
Features
Applications
Standard Test Circuit
nA
E’ = V+
mA
E’ = GND
Vpp
E’ = GND
Hz
E’ = GND
Parameter
Symbol
Minimum
Typical
Maximum
Unit
Conditions
(Using Standard Test Circuit at Ta=25 °C unless otherwise specified.)
Lamp Driver Specifications:
Standby Current
5
1000
Supply Current
I
12
20
Output Voltage
Vout
110
144
160
Lamp Frequency
LF
100
140
200
Data Sheet
D340B
Electroluminescent
Lamp Driver IC
MSOP-8
OFF
LOAD B
V+
E’
GND
N/C
L+
VOUT
L-
N/C
1
2
45
6
7
8
3
3.3 V
4.7 uF
4.7 mH
(59 Ohm DCR)
(3.0 V)
ON
D340B
D341B
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