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PDF JAN7805K Data sheet ( Hoja de datos )
| Número de pieza | JAN7805K | |
| Descripción | POSITIVE FIXED VOLTAGE REGULATOR | |
| Fabricantes | Microsemi Corporation | |
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SG7800A/SG7800 SERIES
SG7800A/SG7800
POSITIVE FIXED VOLTAGE REGULATOR
DESCRIPTION
FEATURES
The SG7800A/SG7800 series of positive regulators offer self contained,
fixed-voltage capability with up to 1.5A of load current and input voltage up
to 50V (SG7800A series only). These units feature a unique on-chip
trimming system to set the output voltages to within±1.5% of nominal on the
SG7800A series,±2.0% on the SG7800 series. The SG7800A versions also
offer much improved line and load regulation characteristics. 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.
All protective features of thermal shutdown, current limiting, and safe-area
control have been designed into these units and since these regulators
require only a small output capacitor for satisfactory performance, ease of
application is assured.
Although designed as fixed-voltage regulators, the output voltage can be
increased through the use of a simple voltage divider. The low quiescent
drain current of the device insures good regulation when this method is used.
Product is available in hermetically sealed TO-257, TO-3, TO39 and LCC
packages.
• Output voltage set internally to ±1.5% on SG7800A
• Input voltage range to 50V max. on SG7800A
• Two volt input-output differential
• Excellent line and load regulation
• Foldback current limiting
• Thermal overload protection
• Voltages available: 5V, 12V, 15V
• Available in surface mount package
HIGH RELIABILITY FEATURES
- SG7800A/7800
♦ Available to MIL-STD - 883
♦ MIL-M38510/10702BXA - JAN7805T
♦ MIL-M38510/10703BXA - JAN7812T
♦ MIL-M38510/10704BXA - JAN7815T
♦ MIL-M38510/10706BYA - JAN7805K
♦ MIL-M38510/10707BYA - JAN7812K
♦ MIL-M38510/10708BYA - JAN7815K
♦ Radiation data available
♦ LMI level "S" processing available
SCHEMATIC DIAGRAM
*
12/91 Rev 1.3 10/97
Copyright © 1997
* For normal operation the (VOS) sense pin must be externally connected to the load.
LINFINITY Microelectronics Inc.
1 11861 Western Avenue ∞ Garden Grove, CA 92841
(714) 898-8121 ∞ FAX: (714) 893-2570
1 page  
SG7800A/SG7800 SERIES
12V POSITIVE REGULATOR
ELECTRICAL SPECIFICATIONS (Note 1)
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for SG7812A/SG7812 with -55°C ≤ TA ≤ 150°C,
VIN = 19V, IO = 500mA for the K and IG -Power Packages-, IO = 100mA for the T and L packages, CIN = 0.33µF, and COUT = 0.1µF. Low duty cycle pulse
testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.)
SG7812A/SG7812
Parameter
Test Conditions
Output Voltage
Line Regulation (Note 1)
Load Regulation (Note 1)
Total Output Voltage
Tolerance
Quiescent Current
Quiescent Current Change
Dropout Voltage
Peak Output Current
Short Circuit Current
Ripple Rejection
Output Noise Voltage (rms)
Long Term Stability
Thermal Shutdown
TJ = 25°C
VIN = 14.5V to 30V, TJ = 25°C
VIN = 16V to 22V, TJ = 25°C
Power Pkgs: IO = 5mA to 1.5A, TJ = 25°C
I = 250mA to 750mA, T = 25°C
OJ
T - Pkg: IO = 5mA to 500mA, TJ = 25°C
VIN = 15.5V to 27V
Power
Pkgs:
I
O
=
5mA
to
1.0A,
P
≤
20W
T - Pkg: IO = 5mA to 500mA, P ≤ 2W
Over Temperature Range
T = 25°C
J
With Line: VIN = 15V to 30V
With Load: IO = 5mA to 1.0A (Power Pkgs.)
I = 5mA to 500mA (T)
O
∆VO = 100mV, TJ = 25°C
Power Pkgs: IO = 1.0A, T - Pkg: IO = 500mA
Power Pkgs: T = 25°C
J
T - Pkg: TJ = 25°C
Power Pkgs: VIN = 35V, TJ = 25°C
T - Pkg: V = 35V, T = 25°C
IN J
∆VIN = 10V, f = 120Hz, TJ = 25°C
f = 10Hz to 100KHz (Note 2)
1000hrs. at T = 125°C
J
IO = 5mA
SG7812A
Min. Typ. Max.
11.8 12.0 12.2
12 60
6 30
28 80
10 40
10 40
SG7812
Min. Typ. Max.
11.5 12.0 12.5
12 120
6 60
28 120
10 60
10 60
Units
V
mV
mV
mV
mV
mV
11.7 12.0 12.3 11.4 12.0 12.6
11.7 12.0 12.3 11.4 12.0 12.6
77
46
46
0.8 0.8
0.5 0.5
0.5 0.5
V
V
mA
mA
mA
mA
mA
2 2.5
1.5 2.0 3.3
0.5 1.0 1.7
1.2
0.7
61
40
48
175
2 2.5
1.5 2.0 3.3
0.5 1.0 1.7
1.2
0.7
61
40
48
175
V
A
A
A
A
dB
µV/V
mV
°C
Note 1. All regulation tests are made at constant junction temperature with low duty cycle testing.
2. This test is guaranteed but is not tested in production.
12/91 Rev 1.3 10/97
Copyright © 1997
5
LINFINITY Microelectronics Inc.
11861 Western Avenue ∞ Garden Grove, CA 92841
(714) 898-8121 ∞ FAX: (714) 893-2570
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet JAN7805K.PDF ] | |
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