page 4.
Vin
+
-
1
2
3
Vin
+
-
1
2
3
Vin
+
-
1
2
3
3 Dimming Options
(valid when the "C" jumper is removed)
+Vin
0% - 100%
+Vin
approx. 1.5 ms*
* should be selected to be
compatible with LCD and
display driver
* value should be low
enough to maintain
minimum tube current
at minimum brightness
Vmin* to +Vin
* Vmin should be high
enough to maintain
minimum tube current
100 Kohms*
(1)
(1)
(1)
Note 1 Input by-pass capacitor (25 uf - 100uf) may be required to
reduce reflected ripple.
Voltage Controlled
Pulse-Width
Modulated Controlled
Resistive Controlled
8M122248
Endicott Research Group, Inc.
2601 Wayne St., Endicott NY 13760
607-754-9187
8m Class
DC to AC Inverter
Preliminary
8M122248
Specifications and
Applications Information
8m Package
The ERG 8M122248 (8m Class) low profile dc to ac
inverter is specifically designed to power the Hitachi
SX25S001 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
11/11/99
Package Configuration
c
3.58 [90,9]
2.35 [59,7]
.55 [14,0]
.55 [14,0] .12 [3,0]
.79 [20,1]
.116 [2,95]
DIA.(2X)
1 2 3 4
Endicott Research Group, Inc.
2601 Wayne St., Endicott NY 13760
607-754-9187 Fax 607-754-9255
http://www.ergpower.com
4 1
Con1-1 Vin(+)
Con1-2 GND
Con1-3 Control *
Con1-4 NC
Pin Descriptions
Con2-1 ACout
Con2-2 NC
Con2-3 NC
Con2-4 ACout
Output
Input
Output Connector
Mitsumi M60-04-30-134P
Input Connector
4 pins are 0.315" [8,00] Long,
0.025" [0,63] Square and are
on 0.100" [2,54] Centers.
* Valid when the "C" Jumper
is removed
8M122248 8M122248
page 2. page 3.
Typical Performance Curves
Made in USA
Endicott Research Group, Inc. Endicott Research Group, Inc.
sgnitaRmumixaMetulosbA
gnitaRlobmySeulaVstinU
egnaRegatloVtupnIV
ni
2.31+ot3.0-cdV
erutarepmeTgnitarepOT
o
07+ot0
o
C
erutarepmeTegarotST
gts
58+ot04-
o
C
snoitidnoCgnitarepOdednemmoceR
gnitaRlobmySeulaVstinU
egatloVtupnIV
ni
2.31ot6+cdV
scitsiretcarahClacirtcelE
52=aTdnacdstloV00.21=niVdetonesiwrehtosselnU
o
C
citsiretcarahClobmySniMpyTxaMstinU
tnerruCtupnII
ni
-21.41.cdA
ycneuqerFgnitarepOF
o
620343zHK
egatloVtuptuOmuminiMV
tuo
)nim(0041--V
smr
ycneiciffE η-07-%
tnerruCtuptuOI
tuo
-1.2- smram
egatloVtuptuO
)wolebeeS( V
tuo
-084-V
smr
Specifications obtained using a 227 KS resistor. Specifications subject to change without notice.
This load is approximately equivalent to the referred display.
-10%
-5%
0%
5%
10%
Relative Frequency
6.00 8.00 10.00 12.00 14.00 16.00
Input Volta
g
e
(
Vdc
)
Relative Frequenc
y
vs.Input Volta
g
e
40%
60%
80%
100%
120%
140%
Relative Brightness
6.00 8.00 10.00 12.00 14.00 16.00
Input Voltage (Vdc)
Relative Brightness vs.Input Voltage
0.0
0.5
1.0
1.5
2.0
2.5
Input Power (Watts)
6.00 8.00 10.00 12.00 14.00 16.00
Input Volta
g
e
(
Vdc
)
Input Power vs.Input Volta
g
e
0.04
0.06
0.08
0.10
0.12
0.14
0.16
Input Current (Adc)
6.00 8.00 10.00 12.00 14.00 16.00
Input Volta
g
e
(
Vdc
)
Input Current vs.Input Volta
g
e
