8m Class
DC to AC Inverter
page 4.
Preliminary
8mA22004
Specifications and
Applications Information
The ERG 8mA22004 (8m Class) low profile dc to ac
inverter is specifically designed to power the NEC
NL6448AC33-18 LCD display module to a moderate
brightness level from a +12 volt dc source.
This low profile inverter features:
üLess Than 8 mm in Height
üLCD Module Specific
üDisplay Compatible Output Connector
üFirm Specifications
üApplication Information
üDesigned, Manufactured and Supported in the
USA
üCustom Input and Output Voltages
üFlexible System Interface
üNotebook Display Head Compatible
Vin
+
-
1,2
3,4,8
5
Dimming Option
5% - 100%
+Vin
approx. 1.5 ms*
* should be selected to be
compatible with LCD and
display driver (1)
Note 1 Input by-pass capacitor (25 uf - 100uf) may be required to
reduce reflected ripple.
Pulse-Width
Modulated Controlled
8mA22004
4/27/00
Endicott Research Group, Inc.
2601 Wayne St., Endicott NY 13760
607-754-9187 Fax 607-754-9255
http://www.ergpower.com
Endicott Research Group, Inc.
2601 Wayne St., Endicott NY 13760
607-754-9187
Con1-1 Vin(+)
Con1-2 Vin(+)
Con1-3 GND
Con1-4 GND
Con1-5 Control
Con1-6 NC
Con1-7 NC
Con1-8 GND
Pin Descriptions
Con2-1 Common
Con2-2 ACout
Con2-3 ACout
Input Connector
Molex
532-61-0890
Output Connector
JST
SM03(4.0)B-BHS-1-TB
0
8mA Package
Package Configuration
.26[6,6]
3.230
[82,04]
3.93
[99,8]
.79[20,1]
.10[2,5].600[15,24]
.100[2,54]
Dia.(2x)
8
1
Output
1.76
[44,7]
Input
1
8mA22004 8mA22004
page 2. page 3.
Typical Performance Curves
Made in USA
Endicott Research Group, Inc. Endicott Research Group, Inc.
After tube has been allowed to warm-up for 5 minutes Specifications subject to change without notice.
External Disable Circuit shown on page 3.
Disable Circuit 3.3 K
2.2 K
2N3906
2N3904
1 K
+Vin 12V
Control (pin 5)
Control
1N4148
sgnitaRmumixaMetulosbA
gnitaRlobmySeulaVstinU
egnaRegatloVtupnIniV0.41+ot3.0-cdV
erutarepmeTgnitarepOoT07+ot0-
o
C
erutarepmeTegarotSgtsT58+ot04-
o
C
snoitidnoCgnitarepOdednemmoceR
gnitaRlobmySeulaVstinU
egatloVtupnIniV2.31ot6+cdV
scitsiretcarahClacirtcelE
52=aTdnacdstloV00.21=niVdetonesiwrehtosselnU
o
C
citsiretcarahClobmySniMpyTxaMstinU
tnerruCtupnIniI-74.025.0cdA
ycneuqerFgnitarepOoF146415zHK
egatloVtuptuOmuminiM)nim(tuoV0521--smrV
ycneiciffE η-09-%
ebutreptnerruCtuptuOtuoI-0.5- smram
egatloVtuptuO
CENehtgnirewopnehW(
).yalpsid81-33CA8446LN
tuoV-015- smrV
tnemeriuqeRtnerruCtupnI5niP--4-cdam
Input Current vs. Input Voltage
Input Voltage (Vdc)
Input Current (Adc)
0.32
0.34
0.36
0.38
0.40
0.42
0.44
0.46
0.48
0.50
8 101214
Input Power vs. Input Voltage
Input Voltage (Vdc)
Input Power (Watts)
2.50
3.25
4.00
4.75
5.50
6.25
7.00
8 101214
Relative Brightness vs. Input Power
Input Power (Watts)
Relative Brightness
40%
55%
70%
85%
100%
115%
130%
2.50 3.25 4.00 4.75 5.50 6.25 7.00
Relative Frequency vs. Input Voltage
Input Voltage (Vdc)
Relative Frequency
-5.0%
0.0%
5.0%
10.0%
15.0%
8 9 10 11 12 13 14
