Driver IC. D356A Datasheet

D356A IC. Datasheet pdf. Equivalent

Part D356A
Description Electroluminescent Lamp Driver IC
Feature General Description: The DurelÒ D356A is part of a family of highly integrated EL drivers based on D.
Manufacture Durel
Datasheet
Download D356A Datasheet




D356A
General Description:
The DurelÒ D356A 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 high efficiency device is well
suited for backlighting most timepieces and liquid crystal displays
for portable electronic applications.
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Data Sheet
D356A
Electroluminescent
Lamp Driver IC
D356A
MSOP-8
Features
• High Efficiency
• Low Voltage Operation
• Small System Footprint
• Capacitor or External Clock LF Control
Applications
• Watches
• Data Organizers/PDAs
• Pagers
• LCD and Keypad Backlighting
Lamp Driver Specifications:
(Using Standard Test Circuit at Ta=25 °C unless otherwise specified.)
Parameter
Symbol Minimum Typical Maximum
Standby Current
10
Supply Current
I
23
Enable Current
50
Output Voltage
Vout
110
135
Lamp Frequency
LF
230 310
Inductor Frequency HF
23
100
30
75
220
390
Unit
nA
mA
uA
Vpp
Hz
kHz
Conditions
E = GND
E = 3.0V
E = 3.0V
CLF=5.0 nF
Standard Test Circuit
1.8mH
(3 Ohms)
1 GND
2 L-
3 VOUT
E8
CLF2 7
CLF1 6
3.0V
GND ON
OFF
5.0nF
4 L+
D356A
V+ 5
0.1µF
Load B
3.0 Vdc
1



D356A
Load B*
47 nF
10kW
100W 22 nF
Typical Output Waveform
* Load B approximates a 5in2 EL lamp.
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Absolute Maximum Ratings:
Parameter
Supply voltage
Operating Range
Withstand Range
Enable Voltage
Output Voltage
CLF Voltage
Operating Temperature
Storage Temperature
Symbol
V+
E
VOUT
VCLF
Ta
Ts
Minimum Maximum
1.0 7.0
-0.5 10.0
-0.5 (V+) +0.5
220
0 (V+) +0.3
-40 85
-65 150
Unit
V
V
Vpp
V
°C
°C
Comments
E = V+
E = GND
Peak-to-peak voltage
External clock input
Note: The above are stress ratings only. Functional operation of the device at these ratings or any other above
those indicated in the specifications is not implied. Exposure to absolute maximum rating conditions for extended
periods of time may affect reliability.
Physical Data:
18
27
36
45
PIN # NAME
FUNCTION
1 GND System ground connection
2 L- Negative input to inductor
3 VOUT High voltage AC output to lamp
4 L+ Positive input to inductor
5 V+ DC power supply input
6 CLF1 Lamp frequency capacitor/clock input
7 CLF2 Lamp frequency capacitor/clock input
8 E System enable
Note: Please consult factory for bare die dimensions and bond
pad locations.
2







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