IP1543J データシートの表示（PDF） - Semelab - > TT Electronics plc
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IP1543J Datasheet PDF : 7 Pages
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SEME
LAB
IP1543 SERIES
POWER SUPPLY
RSC
16
TO VOLTAGE
2.5V 15
REF.
CONTROL LOOP
14
R2
13
10
C.L. 11
12
R3
R1
CS
APPLICATIONS INFORMATION
Typical Application
OUT OF TOLERANCE
INDICATORS
R4
7
U.V.
R5
6
O.V.
5
R6
CD1
8
CD2
9
4
TO SYSTEM
CONTROL
SCR
TRIGGER
SCR
“CROWBAR”
1 RG
2
3
LATCH
RESET
Current
Limit
VTH
≈
1000
R1
CS is determined by the current loop dynamics.
Peak
Current
to
load
IP
≅
VTH
RSC
+
VO
RSC
R2
R2 + R3
Low
Output
Voltage
Limit
VO(low)
=
2.5
(R4 + R5 +
R5 + R6
R6)
High
Output
Voltage
Limit
VO(high)
=
2.5
(R4
+ R5
R6
+
R6)
Voltage Sensing Delay TD = 10000 CD
SCR
trigger
power
limiting
resistor
RG
>
VIN -5
0.2
BIAS SUPPLY
MAIN POSITIVE
SUPPLY
Sensing Multiple Supply Voltages
TO 339 COMPARATORS
R1
7
16
U.V.
IP1543
GROUND
ADDITIONAL
POSITIVE
SUPPLY
NEGATIVE
SUPPLY
VOLTAGE
R2
2.5V
REF.
6 O.V.
SCR
TRIGGER
1 TO SHUTDOWN
CIRCUIT
R3
R4
14
15
4
9
2
3
339 QUAD COMP.
MASTER POWER SUPPLY
CONDITION INDICATOR
R5
R6
R7
Semelab plc. Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
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