SG7815AG-DESC Ver la hoja de datos (PDF) - Microsemi Corporation
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SG7815AG-DESC Datasheet PDF : 12 Pages
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Positive Fixed Voltage Regulator
Electrical Characteristics
Unless specified, these specifications apply over the operating ambient temperatures for SG7812A /
SG7812 with -55 °C ≤ TA ≤ 125 °C, VIN = 19 V, IO = 500 mA for the K, G, and IG – Power Packages,
IO = 100 mA for the T and L packages, CIN = 0.33 μF and COUT = 0.1 μF. Low duty cycle pulse testing
techniques are used, which maintains junction and case temperatures equal to the ambient temperature.
Parameter
Test Conditions
Output Voltage
TJ = 25 °C
Line Regulation
(Note 1)
Load Regulation
(Note 1)
VIN = 14.5 V to 30 V, TJ = 25 °C
VIN = 16 V to 22 V, TJ = 25 °C
Power Pkgs: IO = 5 mA to 1.5 A, TJ = 25 °C
IO = 250 mA to 750 mA, TJ = 25 °C
T, L – Pkg: IO = 5 mA to 500 mA, TJ = 25 °C
Total Output Voltage
Tolerance
VIN = 15.5 V to 27 V
Power Pkgs: IO = 5 mA to 1.0 A, P ≤ 20 W
VIN = 15.5 V to 27 V
T, L – Pkg: IO = 5 mA to 500 mA, P ≤ 2 W
SG7812A
SG7812
Min Typ Max Min Typ Max
11.8 12 12.2 11.5 12 12.5
12 60
12 120
6 30
6 60
28 80
10 40
28 120
10 60
10 40
10 60
Units
V
mV
mV
mV
mV
mV
11.7 12 12.3 11.4 12 12.6 V
11.7 12 12.3 11.4 12 12.6 V
Quiescent Current
Over Temperature Range
TJ = 25 °C
7
46
7
mA
46
mA
Quiescent Current
Change
With Line: VIN = 15 V to 30 V
With Load: IO = 5 mA to 1.0 A (Power Pkgs)
IO = 5 mA to 500 mA (T, L)
0.8
0.8 mA
0.5
0.5 mA
0.5
0.5 mA
Dropout Voltage
∆VO = 100 mV, TJ = 25 °C
Power Pkgs: IO = 1.0 A, T, L – Pkg: IO = 500 mA
2 2.5
2 2.5
V
Power Pkgs: TJ = 25 °C
Peak Output Current
T, L – Pkg: TJ = 25 °C
1.5 2 3.3 1.5 2 3.3
A
0.5 1 1.7 0.5 1 1.7
A
Power Pkgs: VIN = 35 V, TJ = 25 °C
Short Circuit Current
T, L – Pkg: VIN = 35 V, TJ = 25 °C
1.2
1.2
A
0.7
0.7
A
Ripple Rejection
∆VIN = 10 V, f = 120 Hz, TJ = 25 °C
61
61
Output Noise Voltage
(rms)
f = 10 Hz to 100 kHz (Note 2)
40
40
Long Term Stability 1000 hours @ TJ = 125 °C
Thermal Shutdown IO = 5 mA
48
48
175
175
Notes:
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.
dB
µV/V
mV
°C
6
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