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UC1544L Datasheet(Fiches technique) 2 Page - Texas Instruments

Numéro de pièce UC1544L
Description  Power Supply Supervisory Circuit
Télécharger  19 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

UC1544L Datasheet(HTML) 2 Page - Texas Instruments

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Connection Diagrams
PACKAGE PIN FUNCTION
PACKAGE PIN FUNCTION
FUNCTION
FUNCTION
PIN
PIN
N/C
N/C
SCR Trigger
SCR Trigger
Remote Activate
Remote Activate
Reset
Reset
O.V. Indicate
O.V. Indicate
N/C
N/C
O.V. Delay
O.V. Delay
O.V. Input
N/C
N/C
U.V. Input
U.V. Delay
U.V. Delay
U.V. Indicate
U.V. Indicate
C.L. INV. Input
C.L. INV. Input
C.L. N.I. Input
C.L. N.I. Input
Offset/Comp
Offset/Comp
C.L. Output
C.L. Output
Ground
Ground
VREF
VREF
19
19
VIN
VIN
20
20
O.V. N.I. Input
O.V. INV. Input
U.V. N.I. Input
U.V. INV. Input
DIL-18, SOIC-18(TOP VIEW)
J or N, DW Package
DIL-16, SOIC-16(TOP VIEW)
J or N, DW Package
(AlsoWPackagefortheUC1543Only)
UC1544
UC2544
UC3544
UC1543
UC2543
UC3543
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
VIN
VREF
Ground
C.L.Output
Offset/Comp
C.L.N.I.Input
C.L.INV.Input
U.V.Indicate
U.V.Delay
SCR Trigger
Remote Activate
Reset
O.V.Indicate
O.V.Delay
O.V.N.I.Input
O.V.Inv.Input
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
VIN
VREF
Ground
C.L.Output
Offset/Comp
C.L.N.I.Input
C.L.INV.Input
U.V.Indicate
SCR Trigger
Remote Activate
Reset
O.V.Indicate
O.V.Delay
O.V.Input
U.V.Input
U.V.Delay
U.V.N.I.Input
U.V.Inv.Input
12
12
11
11
10
10
13
13
14
14
15
15
16
16
17
17
18
18
8
8
9
9
7
7
5
5
4
4
3
3
2
2
6
6
1
1
19
19
20
20
PLCC-20, LCC-20
(TOP VIEW)
Qor L Package
PLCC-20, LCC-20
(TOP VIEW)
Qor L Package
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
ABSOLUTE MAXIMUM RATINGS
(1)
UC1543
,, UC1544
UC2543, UC2544
UC3543, UC3544
SLUS188A – APRIL 1997 – REVISED FEBRUARY 2007
over operating free-air temperature range (unless otherwise noted)
VALUE
UNIT
VIN
Input supply voltage
40
V
Sense inputs, voltage range
0 to VIN
SCR trigger current (2)
-600
mA
Indicator output voltage
40
V
Indicator output sink current
50
mA
Power dissipation (package limitation)
1000
mW
UC1543, UC1544
-55 to 125
TJ
Operating temperature range
UC2543, UC2544
-25 to 85
°C
UC3543, UC3544
0 to 70
Tstg
Storage temperature range
-65 to 150
(1)
Currents are positive-into, negative-out of the specified terminal.
(2)
At higher input voltages, a dissipation limiting resistor, RG, is required.
2
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