參數(shù)資料
型號： SG3548
廠商： Microsemi Corporation
英文描述： QUAD POWER FAULT MONITOR
中文描述： 四電源故障監(jiān)控
文件頁數(shù)： 2/4頁
文件大?。?/td> 66K
代理商： SG3548
11/91 Rev 1.2 5/97
Copyright
1997
L
IN
F
IN
ITY
Microelectronics Inc.
11861 Western Avenue
∞
∞
Garden Grove, CA 92841
(714) 898-8121
∞
FAX: (714) 893-2570
2
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Supply Voltage (+V
) ..........................................................
Fault Output Collector Voltage ............................................
Sense Input Voltage Range .................................
Fault Output Sink Current ................................................
Line Sense Input Current .................................................
Inverting Op Amp Input Current ........................................
SG1548/SG2548/SG3548
Inverting Op Amp Output Current ....................................
Operating Junction Temperature
Hermetic (J, L Packages) .............................................
Plastic (N, DW Packages) ............................................
Storage Temperature Range ............................
Lead Temperature ...........................................................
40V
40V
-0.3V to 6.0V
20mA
±1mA
-5mA
25mA
150
°
C
150
°
C
-65
°
C to 150
°
C
300
°
C
Note 1. Values beyond which damage may occur.
THERMAL DATA
J Package:
Thermal Resistance-
Junction to Case
,
θ
JC
................... 30°C/W
Thermal Resistance-
Junction to Ambient
,
θ
JA
.............. 80°C/W
N Package:
Thermal Resistance-
Junction to Case
,
θ
JC
.................. 40°C/W
Thermal Resistance-
Junction to Ambient
,
θ
JA
............. 65°C/W
DW Package:
Thermal Resistance-
Junction to Case
,
θ
JC
.................. 40°C/W
Thermal Resistance-
Junction to Ambient
,
θ
JA
............. 95°C/W
L Package:
Thermal Resistance-
Junction to Case
,
θ
JC
.................. 35°C/W
Thermal Resistance-
Junction to Ambient
,
θ
JA
........... 120°C/W
Note A. Junction Temperature Calculation: T
= T
+ (P
x
θ
).
Note B. The above numbers for
θ
are maximums for the limiting
thermal resistance of the package in a standard mount-
ing configuration. The
θ
numbers are meant to be
guidelines for the thermal performance of the device/pc-
board system. All of the above assume no ambient
airflow.
2.625
3.500
2.375
1.500
±0.6
100
DC Sense Inputs Section
Overvoltage Threshold
V
PIN 1
= 0.95 x V
REF
V
PIN 1
= 0.60 x V
REF
V
PIN 1
= 0.95 x V
REF
V
PIN 1
= 0.60 x V
V
SENSE
= 1.5V to 3.5V
+V
IN
= 4.5V to 35V
Undervoltage Threshold
Input Bias Current
Threshold Supply Rejection
4.5V to 35V
5.0V to 35V
1.5V to 2.45V
±5% to ±40%
0 to 10mA
Supply Voltage Range
±25% Maximum Fault Window
(Note 3)
..............
±40% Maximum Fault Window ...........................
Lower Threshold Input Range .............................
Fault Tolerance Window Range ..........................
Fault Output Sink Current Range .............................
Line Sense Output Current Range ...........................
Voltage Reference Output Current ...........................
Operating Ambient Temperature Range
SG1548 .........................................................
SG2548 ...........................................................
SG3548 ...............................................................
0 to 10mA
0 to 10mA
-55
°
C to 125
°
C
-25
°
C to 85
°
C
0
°
C to 70
°
C
Note 2. Range over which the device is functional.
Note 3. Limited by inverter amplifier positive swing at -55
°
C.
RECOMMENDED OPERATING CONDITIONS
(Note 2)
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for SG1548 with -55
°
C
≤
T
≤
125
°
C, SG2548 with
-25
°
C
≤
T
≤
85
°
C, SG3548 with 0
°
C
≤
T
≤
70
°
C, and +V
IN
= 15V. Low duty cycle pulse testing techniques are used which maintains junction and case
temperatures equal to the ambient temperature.)
Reference Section
(Note 4)
Output Voltage
T
= 25
°
C
Over Temperature
+V
= 4.5V to 35V
I
L
= 0 to 10mA
V
REF
= 0V
Line Regulation
Load Regulation
Short Circuit Current
Fault Window Generator Section
4.8
+V
IN
= 40V
Supply Current
mA
10
Min. Typ. Max.
SG3548
SG1548/2548
Test Conditions
Parameter
Units
Supply Section
-0.4
V
PIN 1
= 1.5V to 2.45V
Input Bias Current
μ
A
Min. Typ. Max.
10
4.8
2.475
2.450
10
2.500
1
3
25
2.525
2.550
5
10
50
2.475
2.450
10
2.500
1
3
25
2.525
2.550
5
10
50
V
V
mV
mV
mA
-2.0
-0.4
-2.0
2.547
3.396
2.304
1.455
60
2.704
3.606
2.447
1.545
±2.0
2.547
3.396
2.304
1.455
60
2.625
3.500
2.375
1.500
±0.6
100
2.704
3.606
2.447
1.545
±2.0
V
V
V
V
μ
A
dB
Note 4. I
L
= 0mA
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