SG2543 Просмотр технического описания (PDF) - Microsemi Corporation
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SG2543 Datasheet PDF : 6 Pages
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SG1543/SG2543/SG3543
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (+VIN)................................................. 40V
Sense Inputs ...................................................................... +VIN
SCR Trigger Current (Note 2) ......................................... 300mA
Indicator Output Sink Current .......................................... 50mA
Operating Junction Temperature
Hermetic (J, L Packages) ............................................ 150°C
Indicator Output Voltage ..................................................... 40V
Plastic (N, DW Packages) ........................................... 150°C
Note 1. Values beyond which damage may occur.
Storage Temperature Range ............................ -65°C to 150°C
Note 2. At higher input voltages, a dissipation limiting resistor, RG , is required. See Figure 1.
THERMAL DATA
J Package:
Thermal Resistance-Junction to Case, θJC .................. 30°C/W
Thermal Resistance-Junction to Ambient, θJA .............. 80°C/W
N Package:
Thermal Resistance-Junction to Case, θJC .................. 40°C/W
Thermal Resistance-Junction to Ambient, θJA ............. 65°C/W
DW Package:
Thermal Resistance-Junction to Case, θJC ................... 40°C/W
Thermal Resistance-Junction to Ambient, θJA ............. 95°C/W
L Package:
Thermal Resistance-Junction to Case, θJC .................. 35°C/W
Thermal Resistance-Junction to Ambient, θJA ............ 120°C/W
Note A.
Junction Temperature Calculation:
T
J
=
T
A
+
(P
D
x
θJA).
Note B. The above numbers for θJC are maximums for the limiting
thermal resistance of the package in a standard mount-
ing configuration. The θJA numbers are meant to be
guidelines for the thermal performance of the device/pc-
board system. All of the above assume no ambient
airflow.
RECOMMENDED OPERATING CONDITIONS (Note 3)
Input Supply Voltage (+VIN) .................................... 4.7V to 40V
Current Limit Common Mode
Input Voltage Range ....................................... 0V to +VIN -3V
Reference Load Current ........................................... 0 to 10mA
Indicator Output Voltage ......................................... 4.7V to 40V
Indicator Output Current ........................................... 0 to 10mA
Delay Timing Capcitor (Note 4) ..................................... 0 to 1µF
Operating Ambient Temperature Range
SG1543 ......................................................... -55°C to 125°C
SG2543 ........................................................... -25°C to 85°C
SG3543 .............................................................. 0°C to 70°C
Note 3: Range over which the device is functional.
Note 4. Larger value capacitor may be used with peak current limiting. See Figure 7.
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for SG1543 with -55°C ≤ TA ≤ 125°C, SG2543 with
-25°C ≤ TA ≤ 85°C, SG3543 with 0°C ≤ TA ≤ 70°C, and +VIN = 10V. Indicator outputs have 2KΩ pull-up resistor. Low duty cycle testing techniques are
used which maintains junction and case temperatures equal to the ambient temperature.)
Parameter
Supply Section
Input Voltage Range
Supply Current
Reference Section
Output Voltage
Line Regulation
Load Regulation
Short Circuit Current
Temperature Stability
Test Conditions
TJ = 25°C to TMAX
+VIN = 40V, Outputs open, TJ = 25°C
TJ = 25°C
+VIN = 5 to 30V
IREF = 0 to 10mA
V = 0V
REF
SG1543/2543
SG3543
Units
Min. Typ. Max. Min. Typ. Max.
4.5
40 4.5
40 V
4.7
40 4.7
40 V
7 10
7 10 mA
2.48 2.50 2.52 2.45 2.50 2.55 V
2.45
2.55 2.40
2.60 V
15
1 5 mV
1 10
1 10 mV
12 25 40 12 25 40 mA
.005
.005
%/°C
11/91 Rev 1.1 2/94
Copyright © 1994
LINFINITY Microelectronics Inc.
2
11861 Western Avenue ∞ Garden Grove, CA 92841
(714) 898-8121 ∞ FAX: (714) 893-2570
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