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3 of 4<br />
PWR REG,<br />
CONN<br />
5<br />
5<br />
4<br />
4<br />
3<br />
D D<br />
B B<br />
TAB:<br />
"IN"<br />
2991<br />
-- 5 OUT<br />
-- 4 GND<br />
-- 3 IN<br />
-- 2 ON/OFF<br />
-- 1 ADJ<br />
RAW_VDC_IN-<br />
-15V<br />
A A<br />
10K RES "TIES" TWO GNDS TOGETHER,<br />
GROUND TYPES:<br />
GND_PWR = CHASSIS-ESD OUTSIDE<br />
GND_SIG = SYSTEM-INSIDE<br />
GND_CHAS<br />
C20<br />
10uF 25V tant<br />
Ref=1.21V<br />
Iadj=60nA<br />
R28<br />
0<br />
0805<br />
VOUT = V-REF( 1 + R-I/R-F) {+ I-ADJ*R-I}<br />
1<br />
+<br />
R1= [Vref * R2]/[Vout - Vref - (Iadj * R2)]<br />
GND_SIGNAL<br />
ADJ<br />
1<br />
R26<br />
1.62K, 1%<br />
C18<br />
.1uF 50v<br />
1<br />
-VCC<br />
-5.5V<br />
3<br />
TP3-4<br />
TP3-5<br />
TP3-6<br />
TP3-7<br />
-VCC s2<br />
2<br />
2<br />
DRN<br />
CHK<br />
DSN<br />
ENGR<br />
MFG<br />
1ST USE<br />
BY<br />
J. GABEL<br />
J. GABEL<br />
LTQ Endeavor<br />
DATE<br />
355 River Oaks Pkwy<br />
03/26/03<br />
San Jose, CA 95134-1991<br />
PCB Title:<br />
SCHEMATIC, I-O BOARD<br />
03/26/03<br />
Software version used = OrCAD rev. 9.2<br />
CODE IDENT DWG NO<br />
B<br />
<strong>Thermo</strong><br />
.<br />
Size<br />
PLOTTED:<br />
Wednesday, November 12, 2003<br />
1<br />
THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OF<br />
THERMO FINNIGAN CORP. AND IS TENDERED SUBJECT TO THE<br />
CONDITIONS THAT THE INFORMATION (A) BE RETAINED IN<br />
CONFIDENCE, (B) NOT BE REPRODUCED OR COPIED IN WHOLE<br />
OR IN PART AND (C) NOT BE USED OR INCORPORATED IN ANY<br />
PRODUCT, EXCEPT UNDER AN EXPRESS WRITTEN AGREEMENT<br />
WITH THERMO FINNIGAN CORPORATION.<br />
U6<br />
+VCC<br />
LM1084IS-ADJ<br />
TP3-1<br />
To Elcon<br />
RAW_VDC_IN+<br />
3<br />
VIN VOUT<br />
2<br />
+VCC s1,2<br />
Adaptor PCB<br />
C +15V<br />
C19 +<br />
10uF 25V tant<br />
R20<br />
196 1%<br />
C14<br />
.1uF 50v<br />
+ C15<br />
10uF 25V tant<br />
s1START_DIG_IN_01<br />
-----><br />
J4<br />
1<br />
C<br />
TAB:<br />
"OUT" 1084<br />
-- 3 IN<br />
.<br />
-- 2 OUT<br />
.<br />
-- 1 ADJ<br />
V-REF = 1.250V<br />
I-ADJ = 60 uA<br />
R21<br />
221 1%<br />
R22<br />
221 1% +5.5V<br />
TP3-2<br />
s2<br />
s2<br />
AAN1+<br />
AAN2+<br />
/SYS_RESET_PB<br />
s1<br />
s2AAN1s2AAN2- s1 STARTOUT<br />
RAW_VDC_IN+<br />
s1 READYOUT<br />
2<br />
3<br />
4<br />
5<br />
6<br />
7<br />
8<br />
9<br />
10<br />
11<br />
12<br />
13<br />
14<br />
15<br />
R23<br />
221 1%<br />
TP3-3<br />
RAW_VDC_IN-<br />
16<br />
17<br />
18<br />
19<br />
20<br />
1<br />
R24<br />
3<br />
10K<br />
VIN<br />
EN<br />
2<br />
U7<br />
LM2991S<br />
GND<br />
4<br />
OUT<br />
5<br />
ADJ<br />
1<br />
162, 1%<br />
R27<br />
R25<br />
511 1%<br />
1<br />
+<br />
C17<br />
10uF 25V tant<br />
Finnigan<br />
97055-91070<br />
Sheet 3 of 4<br />
1<br />
CON20<br />
CN20ULE<br />
Rev.<br />
C
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