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SG7815AG-DESC

Positive Fixed Voltage Regulator

Microsemi Corporation 

Electrical Characteristics

Electrical Characteristics

Unless specified, these specifications apply over the operating ambient temperatures for SG7815A / SG7815

with -55 °C ≤ TA ≤ 125 °C, VIN = 23 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

Output Voltage

TJ = 25 °C

Test Conditions

SG7815A

SG7815

Units

Min Typ Max Min Typ Max

14.8 15 15.2 14.4 15 15.6 V

Line Regulation

(Note 1)

Load Regulation

(Note 1)

VIN = 17.5 V to 30 V, TJ = 25 °C

VIN = 20 V to 26 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

15 75

8 40

30 100

12 50

12 50

15 150 mV

8 75 mV

30 150 mV

12 75 mV

12 75 mV

Total Output Voltage

Tolerance

VIN = 18.5 V to 30 V

Power Pkgs: IO = 5 mA to 1.0 A, P ≤ 20 W

VIN = 18.5 V to 30 V

T, L – Pkg: IO = 5 mA to 500 mA, P ≤ 2 W

14.6 15 15.4 14.3 15 15.7 V

14.6 15 15.4 14.3 15 15.7 V

Quiescent Current

Over Temperature Range

TJ = 25 °C

7

46

7 mA

4 6 mA

Quiescent Current

Change

Dropout Voltage

Peak Output Current

Short Circuit Current

Ripple Rejection

Output Noise Voltage

(rms)

With Line: VIN = 18.5 V to 30 V

With Load: IO = 5 mA to 1.0 A (Power Pkgs)

IO = 5 mA to 500 mA (T, L)

∆VO = 100 mV, TJ = 25 °C

Power Pkgs: IO = 1.0 A, T, L – Pkg: IO = 500 mA

Power Pkgs: TJ = 25 °C

T, L – Pkg: TJ = 25 °C

Power Pkgs: VIN = 35 V, TJ = 25 °C

T, L – Pkg: VIN = 35 V, TJ = 25 °C

∆VIN = 10 V, f = 120 Hz, TJ = 25 °C

f = 10 Hz to 100 kHz (Note 2)

0.8

0.8

0.5

0.5

0.5

0.5

2 2.5

2 2.5

1.5 2.2 3.3 1.5 2.2 3.3

0.5 0.9 1.7 0.5 0.9 1.7

1.2

1.2

0.7

0.7

60

60

40

40

mA

mA

mA

V

A

A

A

A

dB

µV/V

Long Term Stability 1000 hours @ TJ = 125 °C

60

Thermal Shutdown

IO = 5 mA

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.

60

mV

175

°C

7

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