
Rev. 05 Mar 99
AMPSS Reference Manual
Specifications
9
Pin Connections - AM80A-048L-050P25D033P30
IN PU T PI N S
Pi n No
Pi n Name
T yp e
Descri p ti o n
Reco m m en d ed Co n n ecti o n s
31
+INPUT
I nput
Power in pu t - posit ive
A 22 0 F e lect ro lyt ic cap acit o r
co nn ect ed be t w ee n t he +I N PU T an d -
IN PU T p in s is recom men de d
32
-I NPUT
I nput
Power in pu t - negative (ret u rn ) See + I N PU T f o r re co mme nd at ions
O U T P UT P I NS
P i n N o
P i n N a m e
Ty pe
D e s c r i p t i o n
R e c o m m e nd e d C o n n e c t i o n s
21 - 2 2
+ V 1 O U T P U T
O u t p ut
P o w e r out p u t V 1
E n s u r e g o o d el ec t r i c a l c onn ec t i on a n d
s u f f i c i e nt c o p per on P C B l a y o ut s
24 - 2 6
0
O u t p ut
P o w e r out p u t 0
28 - 2 9
+ V 2 O U T P U T
O u t p ut
P o w e r out p u t V 2
E n s u r e g o o d el ec t r i c a l c onn ec t i on a n d
s u f f ic ie n t c o pp er on P C B l a y ou t s
CO N TRO L PINS
Pi n N o
Pi n N am e
Typ e
Descri ptio n
Recom m en ded Co nnectio ns
1
V1 SEN SE
Input
Use d fo r re mo te sen se fu nction t o
co mpensate fo r lo ad bus
re sista n ce
If re mot e se n sin g is n ot re qu ired co nn e ct
to V1+O UT PUT pins 28-29 of the mo du le
2
V2 SEN SE
Input
Use d fo r re mo te sen se fu nction t o
co mpensate fo r lo ad bus
re sista n ce
If re mot e se n sin g is n ot re qu ired co nn e ct
to V2+O UT PUT pins 21-22 of the mo du le
3
TEMP MO N
O utput
Provides a voltage signal
proportional t o the int ernal
abso lu te te mp erature of t he
mo du le
Analog signal ou tput. Leave unco nnected
if not used
4
V1 C MO N
O utput
Provides a current signal
proportional to th e cu rrent being
su pp lied b y V1
Analog signal ou tput. Leave unco nnected
if not used
5
V2 C MO N
O utput
Provides a current signal
proportional to th e cu rrent being
su pp lied by the V2
Analog signal ou tput. Leave unco nnected
if not used
6
V1 C SH ARE Input/ O ut put
Allo ws V1 connected in parallel t o
a ccu ra te ly sh are cu rren t
Connect to C SH ARE pins of other
mo du le s. Leave unconnecte d if not used
7
V2 C SH ARE Input/ O ut put
Allo ws V2 connected in parallel t o
a ccu ra te ly sh are cu rren t
Connect to C SH ARE pins of other
mo du le s. Leave unconnecte d if not used
8
CLK O UT
O utput
Provides a 1MHz clock output fo r
synch ro nizat io n with o th e r
mo du le s
Capacitor coupled ou tput. Leave
unco nnecte d if not used
9
CLK IN
Input
Acce pt s a 1MH z clo ck in pu t for
synch ro nizat io n with o th e r
mo du le s
Capacitor coupled in pu t. Leave
unco nnecte d if not used
10
V2 C .L ADJ
Input
Used to ad just the cu rrent limit set
point (o f V2)
In te rn al 1mA cu rrent so urce . Leave
unco nnecte d if not used
11
V1 C .L ADJ
Input
Used to ad just the cu rrent limit set
point (o f V1)
In te rn al 1mA cu rrent so urce . Leave
unco nnecte d if not used
1 2
V2 O VP ADJ
In p ut
Used to ad just overvoltage
p ro tect io n o f V2
In te rn al 1mA cu rrent so urce . Leave
unco nnecte d if not used
1 3
V1 O VP ADJ
In p ut
Used to ad just overvoltage
p ro tect io n o f V1
In te rn al 1mA cu rrent so urce . Leave
unco nnecte d if not used
14
V2 V ADJ
Input
Used to ad just module output
vo lta ge of V2
In te rn al 1mA cu rrent so urce . Leave
unco nnecte d if not used
15
V1 V ADJ
Input
Used to ad just module output
vo lta ge of V1
In te rn al 1mA cu rrent so urce . Leave
unco nnecte d if not used
16
V2 ENABLE
Input
Enable s or disables the output of
V2
Mu st be connecte d to -SENSE pin or
d rive n to <0 .7 V to e na ble th e ou tp ut o f
the mo du le
17
V1 ENABLE
Input
Enable s or disables the output of
V1
Mu st be connecte d to -SENSE pin or
d rive n to <0 .7 V to e na ble th e ou tp ut o f
the mo du le
18
0SENSE
Input
Use d fo r re mo te sen se fu nction t o
co mpensate fo r lo ad bus
re sista n ce
If re mot e se n sin g is n ot re qu ired co nn e ct
to -O U TPUT pins 2 4 -2 6 of th e m od ule
AMPSS POWER MODULE
V1 C SHARE 6
V2 C MON 5
V1 C MON 4
TEMP MON 3
V2 SENSE 2
V1 SENSE 1
+
INPUT
-
31
32
21 22
28 29
V2 C SHARE 7
CLK OUT 8
10 V2 C.L.ADJ
CLK IN 9
11 V1 C.L.ADJ
12 V2 OVP ADJ
13 V1 OVP ADJ
14 V2 V ADJ
15 V1 V ADJ
16 V2 ENABLE
17 V1ENABLE
18 0 SENSE
24 25 26
OUTPUT