Displays
Electrical Characteristics
Item
Full Bright Lamp Current
Output Current Lamp to Lamp Deviation
Min. Average Lamp Current (each output)
Lamp Start Voltage
Operating Frequency
Burst Frequency
Efficiency
Symbol
IMAX
–
IMIN
–
–
–
–
Test Conditions
VDimCtrl = 5V
–
VDimCtrl - 0.05V
Vin > 11.5V
VDimCtrl = 5V
–
–
Min.
5.5
–
–
460
53.5
67
86%
Typ.
7.0
3%
0.07
535
52
70
90%
Max.
8.5
10%
–
–
49
72
93%
Units
mArms
–
mArms
Vrms
KHz
Hz
–
Functional Pin Description - CN1 Landwin2003P07SOT
Item
CN1-3
CN1-2
CN1-1
CN1-4, 5
CN1-6, 7
Symbol
+ 5V Output
Enable
Dim Control
GND
Vin
Remarks
Supply +5V power for external Potentiometer
On/Off Control
Brightness Control %VDC gives maximum lamp current
Power Supply Return
Main Input Power Supply (11.4V < Vin < 12.6V)
Functional Pin Description - CN2, 3 Landwin3502P0210T SMT
Item
CN2-1, 2
CN3-1
Symbol
VHI
VHI
Remarks
High voltage connection to high side of lamp 1, lamp 2
High voltage connection to high side of lamp 3
Functional Pin Description - CN4, CN5 Landwin3502P0210T SMT
Item
CN4-1, 2
Test Circuit
Symbol
VOL
Remarks
Connection to low side of lamp 1, 2, 3
11/8/06
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408.523.8200 • Fax: 408.733.1287 • sales@purdyelectronics.com
9
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PURDY [ PURDY ELECTRONICS CORPORATION ]
