DC Supply Voltage

Power Dissipation

Storage Temperature Range

Operating Juction Temperature Range

Parameter

Symbol

Ratings

Unit

V

-0.3 to 12

0~+150

-65~+150

Absolute Maximum Ratings

C

o

C

o

Internally Limited

Pin Descriptions

Elektronische Bauelemente

http://www.SeCoSGmbH.com/

Any changing of specification will not be informed individual

01-Jun-2002 Rev. A

Page

2 of 3

Name

I/O

Pin#

Function

Vin

I

1

The input pin of regulator .Typically a large storage capacitor is connected from

this pin to ground to insure that the input voltage does not sag below the minimum

dropout voltage during the load transient response .This pin must always be 1.3V

higher than Vout in order for the device to regulate properly.

Gnd

I

2

Ground pin

Vout

O

3

The output of the regulator, A minimum of 10uF capacitor must be connected from

this pin to ground to insure stability.

Electrical Characteristics

Parameter

Conditions

Min.

Typ.

Max. Unit

Output Voltage

Vout

Io=10mA,Tj=25 ,6.5V Vin 12V

:

4.975 5.000 5.050

V

Line Regulation

Io=10mA,6.5V<Vin<12V,Tj=25 :

-

-

0.2

%

Load Regulation

Vin=8V,0mA<Io<1A,TJ=25 (Note 1,2)

:

-

-

25

mV

Dropout Voltage

Io=1A,( Vout=0.1% Vout)

-

1.3

1.4

V

Current Limit

Vin-Vout=5V

1.1

-

-

A

Minimum Load Current

0

Tj 125

:

:

-

5

10

mA

Thermal Regulation

:

-

0.008

0.04 %/W

Ripple Rejection

-

60

70

dB

Temperature Stability

-

0.5

-

%

JA Thermal Resistance

Junction–to-Ambient(No

heat sink ;No air flow)

-

85

-

/

: W

JC Thermal Resistance

Junction-to-Case

Control Circuitry/Power Transistor

-

0.65/2.7

-

/

: W

Note 1: See thermal regulation specifications for changes in output voltage due to heating effects. Line and load regulation

are measured at a constant junction Temperature by low duty cycle pulse testing .Load regulation is measured at the

output lead =1/18” from the package.

Note 2: Line and load regulation are guaranteed up to the maximum power dissipation of 15W.Power dissipation is

determined by the difference between input and output and the output current .Guaranteed maximum power

dissipation will not be available over the full input/output range.

Note 3: Quiescent current is defined as the minimum output current required in maintaining regulation .At 12V input/output

SE1147-50

1A Low Dropout

Positive Regulator