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SG120-8K

NEGATIVE FIXED VOLTAGE REGULATOR

Microsemi Corporation 

SG120

-8V & -12V NEGATIVE REGULATOR

ELECTRICAL CHARACTERISTICS (Note 1)

SG120-08

(Unless otherwise specified, these specifications apply over full operating ambient temperatures for SG120-08 with -55°C ≤ TA ≤ 150°C, and

VIN = -14V, IO = 5mA, CIN = 1.0mF, COUT = 1.0mF. Low duty cycle pulse testing techniques are used which maintains junction and case temperature equal

to the ambient temperature.)

Parameter

Test Conditions

SG120-8

Min. Typ. Max.

Units

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 = -10.5V to -25V, TJ = 25°C

Power

Pkgs:

I

O

=

5mA

to

1.5A,

T

J

=

25°C

T - Pkg: IO = 5mA to 500mA, TJ = 25°C

V = -10.5V to -25V

IN

Power Pkgs: IO = 5mA to 1.5A, P ≤ 20W

T

-

Pkg:

I

O

=

5mA

to

500mA,

P

≤

2W

VIN = -10.5V to -25V

With Line: VIN = -10.5V to -25V, TJ = 25°C

With Load: TJ = 25°C

Power Pkgs: IO = 5mA to 1.5A

T - Pkg: IO = 5mA to 500mA

∆VO = 100mV, TJ = 25°C

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

Power Pkgs: TJ = 25°C

T - Pkg: T = 25°C

J

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 TJ = 125°C

IO = 5mA

-7.8 -8.0 -8.2 V

10 25 mV

20 80 mV

10 25 mV

-7.65 -8.00 -8.35 V

-7.65 -8.00 -8.35 V

2 mA

0.4 mA

0.4 mA

0.4 mA

1.1 2.3

1.5

3.3

0.5

1.4

1.2

0.6

54

25 80

32

175

V

A

A

A

A

dB

µV/V

mV

°C

SG120-12

(Unless otherwise specified, these specifications apply over full operating ambient temperatures for SG120-12 with -55°C ≤ TA ≤ 150°C, and

VIN = -17V, IO = 5mA, CIN = 2.0mF, COUT = 1.0mF. Low duty cycle pulse testing techniques are used which maintains junction and case temperature equal

to the ambient temperature.)

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 = -14V to -32V, TJ = 25°C

Power Pkgs: IO = 5mA to 1.0A, TJ = 25°C

T - Pkg: IO = 5mA to 500mA, TJ = 25°C

VIN = -14.5V to -32V

Power Pkgs: IO = 5mA to 1.0A, P ≤ 20W

T - Pkg: IO = 5mA to 500mA, P ≤ 2W

V = -14V to -32V

IN

With Line: VIN = -14V to -32V, TJ = 25°C

With Load: T = 25°C

J

Power Pkgs: IO = 5mA to 1.0A

T - Pkg: I = 5mA to 500mA

O

∆VO = 100mV, TJ = 25°C

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

Power Pkgs: TJ = 25°C

T - Pkg: TJ = 25°C

Power Pkgs: VIN = -35V, TJ = 25°C

T - Pkg: VIN = -35V, TJ = 25°C

∆VIN = 10V, f = 120Hz, TJ = 25°C

f = 10Hz to 100KHz (Note 2)

1000hrs. at T = 125°C

J

IO = 5mA

SG120-12

Min. Typ. Max.

-11.7 -12.0 -12.3

4 10

30 80

10 25

Units

V

mV

mV

mV

-11.5 -12.0 -12.5 V

-11.5 -12.0 -12.5 V

2

4

mA

0.4 mA

0.4 mA

0.4 mA

1.1 2.3

1.5

3.3

0.5

1.4

1.2

0.6

56

25 80

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.

11/91 Rev 1.4 6/97

Copyright  1997

LINFINITY Microelectronics Inc.

11861 Western Avenue ∞ Garden Grove, CA 92841

5

(714) 898-8121 ∞ FAX: (714) 893-2570

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