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JAN109T

5 -VOLT FIXED VOLTAGE REGULATORS


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JAN109T pdf
SG109/SG309
5 -VOLT FIXED VOLTAGE REGULATORS
DESCRIPTION
The SG109/SG309 is a completely self-contained 5V regulator.
Designed to provide local regualtion at currents up to 1A for digital
logic cards, this device is available in the hermetic TO-3, TO-66, TO-
39 and hermetic and plastic TO-220.
A major feature of the SG109's design is its built-in protective
features which make it essentially blowout proof. These consist of
both current limiting to control the peak currents and thermal
shutdown to protect against excessive power dissipation. With the
only added component being a possible need for an input bypass
capacitor, this regulator becomes extremely easy to apply. Utilizing
an improved Bandgap reference design, problems have been
eliminated that are normally associated with the zener diode
references, such as drift in output voltage and large changes in the
line and load regulation.
FEATURES
Fully compatible with TTL and DTL
Output current in excess of 1A
Internal thermal overload protection
No additional external components
Bandgap reference voltage
Foldback current limiting
HIGH RELIABILITY FEATURES-SG109
Available to MIL-STD-883
MIL - M38510 / 10701BXA - JAN109T
Radiation data available
LMI level "S" processing available
SCHEMATIC
4/90 Rev 1.1 2/94
Copyright © 1994
LINFINITY Microelectronics Inc.
11861 Western Avenue Garden Grove, CA 92841
1 (714) 898-8121 FAX: (714) 893-2570



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JAN109T pdf
SG109/SG309
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Voltage ........................................................................ 35V
Power Dissipation ........................................... Internally Limited
Storage Temperature Range ............................. -65°C to 150°C
Note 1. Exceeding these ratings could cause damage to the device.
THERMAL DATA
K Package:
Thermal Resistance-Junction to Case, θJC ................. 3.0°C/W
Thermal Resistance-Junction to Ambient, θJA .............. 35°C/W
R Package:
Thermal Resistance-Junction to Case, θJC ................. 5.0°C/W
Thermal Resistance-Junction to Ambient, θJA .............. 40°C/W
IG Package:
Thermal Resistance-Junction to Case, θJC ................. 3.5°C/W
Thermal Resistance-Junction to Ambient, θJA .............. 42°C/W
T Package:
Thermal Resistance-Junction to Case, θJC .................. 15°C/W
Thermal Resistance-Junction to Ambient, θJA ............. 120°C/W
Operating Junction Temperature
Hermetic (K, R, T, IG-Packages) .................................. 150°C
Lead Temperature (Soldering, 10 Seconds) ................ 300°C
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 2)
Input Voltage Range ............................................... 7.0V to 25V
Note 2. Range over which the device is functional.
Operating Junction Temperature Range
SG109 ............................................................ -55°C to 150°C
SG309 ............................................................... 0°C to 125°C
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for SG109 with -55°C TA 150°C, SG309 with
0°C
T
A
125°C,
and
for
V
IN
=
10V,
I
OUT
=
500mA
(K,
R,
and
IG
-Power
Packages-)
and
I
OUT
=
100mA
(T-package).
Low
duty
cycle
pulse
testing
techniques
are used which maintains junction and case temperatures equal to the ambient temperature.)
Parameter
Test Conditions
Output Voltage
Line Regulation
Load Regulation
Total Output Voltage Tolerance
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Long Term Stability
Ripple Rejection
TA = 25°C
VIN = 7.1V to 25V, TA = 25°C
TA = 25°C
Power Pkgs: IOUT = 5mA to 1.5A
T-package: IOUT =5mA to 500mA
VIN= 7.4V to 25V
Power Pkgs: IOUT = 5mA to 1.0A,
P 20W
T-package: IOUT =5mA to 200mA, P 20W
VIN = 7.4V to 25V
With Line : VIN = 7.4V to 25V
With Load: Power Pkgs: IOUT = 5mA to 1.0A
T-package: I =5mA to 200mA
OUT
f = 10Hz to 100KHz, TA = 25°C
T = 25°C
A
SG109
SG309
Min. Typ. Max. Min. Typ. Max.
4.7 5.05 5.3 4.8 5.05 5.2
4.0 50
4.0 50
Units
V
mV
15 100
15 50
15 100 mV
15 50 mV
4.6 5.0 5.4 4.75 5.00 5.25
4.6 5.0 5.4 4.75 5.00 5.25
10 10
0.5 0.5
0.8 0.8
0.8 0.8
40 40
10 20
50 50
V
V
mA
mA
mA
mA
µV
mV
dB
4/90 Rev 1.1 2/94
Copyright © 1994
LINFINITY Microelectronics Inc.
11861 Western Avenue Garden Grove, CA 92841
2 (714) 898-8121 FAX: (714) 893-2570



Part Number JAN109T
Description 5 -VOLT FIXED VOLTAGE REGULATORS
Maker Microsemi Corporation - Microsemi Corporation
Total Page 3 Pages
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