IP3543 Seme LAB, IP3543 Datasheet - Page 5

• Manufacturer Part Number: IP3543
• Description: POWER SUPPLY SUPERVISORY CIRCUIT
• Manufacturer: Seme LAB

LAB
Semelab plc.
SEME
CONTROL LOOP
POWER SUPPLY
TO VOLTAGE
13
R
1
12
REF.
2.5V
C
C.L.
S
16
14
15
Telephone [phone]. Telex: 341927. Fax [phone].
10
11
MAIN POSITIVE
BIAS SUPPLY
ADDITIONAL
R
R
NEGATIVE
2
3
VOLTAGE
POSITIVE
R
GROUND
SUPPLY
SUPPLY
SUPPLY
SC
R
R
R
7
6
4
5
6
R
R
R
C
1
2
3
D1
7
6
O.V.
R
R
APPLICATIONS INFORMATION
4
6
U.V.
5
Sensing Multiple Supply Voltages
R
U.V.
O.V.
5
8
C
D2
REF.
2.5V
16
14
R
Typical Application
7
9
15
4
339 QUAD COMP.
OUT OF TOLERANCE
TO 339 COMPARATORS
LATCH
INDICATORS
TRIGGER
2
SCR
IP1543
TO SYSTEM
CONTROL
3
RESET
“CROWBAR”
1
SCR
R
G
4
9
TRIGGER
SCR
2
3
MASTER POWER SUPPLY
CONDITION INDICATOR
Current Limit V
C
Peak Current to load I
Low Output Voltage Limit V
High Output Voltage Limit V
Voltage Sensing Delay T
SCR trigger power limiting resistor R
S
is determined by the current loop dynamics.
1
TO SHUTDOWN
CIRCUIT
IP1543 SERIES
TH
1000
R
1
P
D
V
R
= 10000 C
TH
SC
O(low)
O(high)
+
=
R
V
=
SC
O
2.5 (R
2.5 (R
G
D
R
>
2
R
Prelim. 1/96
R
4
+ R
5
4
V
2
+ R
+ R
0.2
+ R
R
IN
3
6
-5
5
6
+ R
5
+ R
6
)
6
)