K2391 Data Sheet
K2391 Data Sheet
K2391 Data Sheet
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>K2391</strong><br />
Endicott Research Group, Inc.<br />
2601 Wayne St., Endicott NY 13760<br />
607-754-9187 Fax 607-754-9255<br />
http://www.ergpower.com<br />
<strong>K2391</strong><br />
Dimming Option<br />
(Valid with the "C" jumper removed)<br />
Specifications and<br />
Applications Information<br />
8m Class<br />
2 Tube DC to AC Inverter<br />
08/21/00<br />
Preliminary<br />
+Vin<br />
0<br />
approx. 5.5 ms*<br />
* should be selected to be<br />
compatible with LCD and<br />
display driver<br />
CCFT Lamp<br />
5% - 100%<br />
-<br />
Vin<br />
+<br />
(1)<br />
1 2 3<br />
Pulse-Width Modulation Controlled<br />
CCFT Lamp<br />
The ERG <strong>K2391</strong> (8m Class) low profile dc to ac<br />
inverter is specifically designed to power the Bi-Search<br />
BLP064V1-T LCD display module to a moderate<br />
brightness level from a +5 volt dc source.<br />
This low profile inverter features:<br />
ü<br />
ü<br />
ü<br />
ü<br />
ü<br />
ü<br />
ü<br />
ü<br />
ü<br />
Less Than 8 mm in Height<br />
LCD Module Specific<br />
Display Compatible Output Connector<br />
Firm Specifications<br />
Application Information<br />
Designed, Manufactured and Supported in the<br />
USA<br />
Custom Input and Output Voltages<br />
Flexible System Interface<br />
Notebook Display Head Compatible<br />
Input Connector<br />
Pin Descriptions<br />
Output Connectors<br />
Output<br />
(2X)<br />
Input<br />
"K Series" Package<br />
Package Configuration<br />
.79[20,1]<br />
1<br />
3.300<br />
[83,82]<br />
4.20<br />
[106,7]<br />
* Note 1 - Input by-pass capasitor (25uf - 100uf) may be required to reduce reflected ripple.<br />
4 pins are 0.315" [8,00] Long,<br />
0.025" [0,63] Square and are<br />
on 0.100" [2,54] Centers.<br />
JST<br />
SM02(8.0)B-BHS-1-TB<br />
4<br />
1<br />
Endicott Research Group, Inc.<br />
2601 Wayne St., Endicott NY 13760<br />
607-754-9187<br />
J1-1 Vin(+)<br />
J1-2 GND<br />
J1-3 Control<br />
J1-4 NC<br />
J2-1 ACout J3-1 ACout<br />
J2-2 NC J3-2 NC<br />
J2-3 NC J3-3 NC<br />
J2-4 ACout J3-4 ACout<br />
.120[3,05]<br />
Dia. (2x)<br />
1<br />
.47[11,9]<br />
.450[11,43] .12[3,0]<br />
page 4.
<strong>K2391</strong><br />
Absolute Maximum Ratings<br />
Input<br />
Voltage<br />
Operating<br />
Storage<br />
Rating<br />
Range<br />
Temperature<br />
Temperature<br />
Symbol<br />
Recommended Operating Conditions<br />
Input<br />
Voltage<br />
Rating<br />
Electrical Characteristics<br />
After tube has been allowed to warm-up for 5 minutes.<br />
External Disable Circuit shown on page 3.<br />
Value<br />
Units<br />
Vin<br />
-0.3<br />
to +5. 5<br />
Vdc<br />
To<br />
-0<br />
to +70<br />
o<br />
C<br />
Tst<br />
g<br />
-40<br />
to +85<br />
o<br />
C<br />
Symbol<br />
Unless<br />
otherwise noted Vin = 5.00 Volts dc and Ta = 25 o<br />
C<br />
Input<br />
Current<br />
Operating<br />
Characteristic<br />
Frequency<br />
Value<br />
Units<br />
Vin<br />
+ 2.5 to 5. 5<br />
Vdc<br />
Symbol<br />
Min<br />
Typ<br />
Max<br />
Units<br />
Iin<br />
- . 97<br />
1.<br />
1 Adc<br />
Fo<br />
40<br />
45<br />
50<br />
KHz<br />
M inimum Output Voltage Vout<br />
(min)<br />
1200<br />
- - Vrms<br />
Efficiency<br />
η - 76<br />
- %<br />
Output<br />
Current (per tube)<br />
Output Voltage (per tube)<br />
(When powering a load<br />
simulating the referenced<br />
display.)<br />
Iout<br />
- 5.<br />
2 - marms<br />
Vout<br />
- 355<br />
- Vrms<br />
Pin3<br />
Input Current Requirement - - 11<br />
- madc<br />
Specifications subject to change without notice.<br />
Relative Frequency<br />
Input Power (Watts)<br />
25%<br />
20%<br />
15%<br />
10%<br />
5%<br />
0%<br />
Relative Frequency vs.Input Voltage<br />
-5%<br />
2.00 3.00 4.00 5.00 6.00<br />
Input Voltage (Vdc)<br />
7.0<br />
6.0<br />
5.0<br />
4.0<br />
3.0<br />
2.0<br />
1.0<br />
Input Power vs.Input Voltage<br />
0.0<br />
2.00 3.00 4.00 5.00 6.00<br />
Input Voltage (Vdc)<br />
Disable Circuit<br />
Typical Performance Curves<br />
Control<br />
1 K<br />
3.3 K<br />
Relative Brightness<br />
Input Current (Adc)<br />
1.5 K<br />
2N3904<br />
140%<br />
120%<br />
100%<br />
80%<br />
60%<br />
40%<br />
20%<br />
+Vin 5V<br />
2N3906<br />
1N4148<br />
Relative Brightness vs.Input Voltage<br />
Control (pin 3)<br />
<strong>K2391</strong><br />
0%<br />
2.00 3.00 4.00 5.00 6.00<br />
Input Voltage (Vdc)<br />
1.20<br />
1.00<br />
0.80<br />
0.60<br />
0.40<br />
0.20<br />
Input Current vs.Input Voltage<br />
0.00<br />
2.00 3.00 4.00 5.00 6.00<br />
Input Voltage (Vdc)<br />
Endicott Research Group, Inc.<br />
Made in USA<br />
page 2.<br />
Endicott Research Group, Inc.<br />
Valid with the "C" jumper removed<br />
page 3.
Change language