IP1543 SERIES
SEME
LAB
TOP VIEW
1
16
15
14
13
12
11
10
9
SCR TRIGGER
VIN
POWER SUPPLY
SUPERVISORY CIRCUIT
REMOTE
ACTIVATE
2
VREF
3
RESET
GND
4
O.V. INDICATE
C.L. OUTPUT
OFFSET/COMP
C.L. NON–INV. INPUT
C.L. INV. INPUT
U.V. INDICATE
5
O.V. DELAY
FEATURES
• 4.5 to 40V operation over full temperature
range
6
O.V. INPUT
7
U.V. INPUT
8
• Reference voltage trimmed to 1% accuracy
U.V. DELAY
• Includes over–voltage, under–voltage and
current sensing
J Package – 16 Pin Ceramic DIP
N Package – 16 Pin Plastic DIP
D Package – 16 Pin Plastic (300) SOIC
• Programmable time delays
• SCR “Crowbar” drive of 300mA
• Remote activation capability
• Optional over–voltage latch capability
Order Information
Part
Number
J–Pack
16 Pin
N–Pack
16 Pin
D–16
16 Pin
Temp.
Range
IP1543
IP3543
Note:
✔
✔
-55 to +125°C
0 to +70°C
✔
✔
To order, add the package identifier to the part number.
eg.
IP1543J
IP3543D–16
ABSOLUTE MAXIMUM RATINGS (T
= 25°C unless otherwise stated)
case
+V
Input Supply Voltage
40V
IN
Sense Inputs
V
IN
SCR Trigger Current
Indicator Output Voltage
Indicator Output Sink Current
Power Dissipation
Internally Limited
+40V
50mA
P
P
T = 25°C
1W
D
D
J
A
Derate @ T > 50°C
10mW/°C
A
Power Dissipation
T = 25°C
2W
C
Derate @ T > 25°C
16mW/°C
C
T
T
T
Operating Junction Temperature
Storage Temperature Range
Lead Temperature
See Ordering Information
–65 to +150°C
+300°C
STG
L
(soldering, 10 seconds)
Prelim. 1/96
Semelab plc. Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.