Microsemi

Linfinity Microelectronics Division

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

Page 4

Copyright

© 2000

Rev. 1.0a,2000-11-28

LX8630-xx

3A BiCMOS Very Low Dropout Regulators

A

M I CROS E M I

COM P A N Y







  


 


PARAMETER

SYMBOL

MIN.

TYP.

MAX.

UNITS

INPUT VOLTAGE

3.0

5.5

V

LOAD CURRENT (WITH ADEQUATE HEATSINKING)

0.01

3

A

10

100



22

220*



* Size your output capacitor to meet the transient loading requirement. If you have a very dynamic load, a larger capacitor will improve

the response to these load steps (see charts 2&3)



  

 

(Unless otherwise specified, the following specifications apply over the operating ambient temperatures for the LX8630-xxC with 0

°C

≤

' (OUT ) ' *J = TA. Test conditions: Low duty cycle pulse testing

techniques are used which maintains junction and case temperatures equal to the ambient temperature.)

LX8630-xx

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

°C

3.25

3.3

3.35

Output Voltage

Over Temperature

3.22

3.38

V

Line Regulation

2

8

mV

Load Regulation

18

40

mV

0.4

0.6

0.3

0.4

0.05

0.15

V

Short Circuit Current

5

6.5

A

Quiescent Current

400

600



50

650



Reverse Leakage Current

-50

0

mA

°C

2.46

2.5

2.54

Output Voltage

Over Temperature

2.44

2.5

2.56

V

Line Regulation

2

6

mV

Load Regulation

14

30

mV

0.4

0.6

0.3

0.45

0.05

0.15

V

Short Circuit Current

5

6.5

A

Quiescent Current

400

600



50

650



Reverse Leakage Current

-50

0

mA