IP3543 Seme LAB, IP3543 Datasheet - Page 5
IP3543
Manufacturer Part Number
IP3543
Description
POWER SUPPLY SUPERVISORY CIRCUIT
Manufacturer
Seme LAB
Datasheet
1.IP3543.pdf
(7 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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 (01455) 556565. Telex: 341927. Fax (01455) 552612.
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
)