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LX8630-00CDD

3A BiCMOS Very Low Dropout Regulators

Microsemi Corporation 



A MICROSEMI COMPANY

LX8630-xx

3A BiCMOS Very Low Dropout Regulators

PRODUCTION DATA SHEET

 


PARAMETER

INPUT VOLTAGE

LOAD CURRENT (WITH ADEQUATE HEATSINKING)

INPUT CAPACITOR (VIN TO GND)

OUTPUT CAPACITOR (VOUT TO GND)

 
 

    
 



SYMBOL MIN.

TYP.

MAX.

UNITS

VIN

3.0

5.5

V

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 ≤

≤ TA 125°C; VIN = VOUT + 1.5V; IOUT = 10mA; CIN = 10 ' (OUT )  ' *J = TA. Test conditions: Low duty cycle pulse testing

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

Parameter

LX8630-33 FIXED 3.3V, 3A

Output Voltage

Line Regulation

Load Regulation

Dropout Voltage (VDO = VIN - VOUT)

Short Circuit Current

Quiescent Current

Reverse Leakage Current

LX8630-25 FIXED 2.5V, 3A

Output Voltage

Line Regulation

Load Regulation

Dropout Voltage (VDO = VIN - VOUT)

Short Circuit Current

Quiescent Current

Reverse Leakage Current

Symbol

Test Conditions

VOUT

VREG

IREG

VDO

ISC

IQ

IREV

TJ = 25°C

Over Temperature

VIN = 3.9V to 5.5V

IOUT = 10mA to 3 A

IOUT = 3A,
OUT = -1%

IOUT = 1.5A,
OUT = -1%

IOUT = 10mA,
OUT = -1%

VOUT = 0V

IOUT = 10mA to 3A

0V < VIN < VOUT, VOUT < 3.4V (at VOUT)

0V < VIN < VOUT, VOUT < 3.4V (at VIN)

VOUT

VREG

IREG

VDO

ISC

IQ

IREV

TJ = 25°C

Over Temperature

VIN = 3.1V to 5.5V

IOUT = 10mA to 3 A

IOUT = 3A,
OUT = -1%, TJ = 85°C

IOUT = 1.5A,
OUT = -1%

IOUT = 10mA,
OUT = -1%

VOUT = 0V

IOUT = 10mA to 3A

0V < VIN < VOUT, VOUT < 2.6V (at VOUT)

0V < VIN < VOUT, VOUT < 2.6V (at VIN)

LX8630-xx

Units

Min Typ Max

3.25 3.3 3.35

V

3.22

3.38

2

8

mV

18

40

mV

0.4

0.6

0.3

0.4

V

0.05 0.15

5

6.5

A

400

600



50

650



-50

0

mA

2.46 2.5 2.54

V

2.44 2.5 2.56

2

6

mV

14

30

mV

0.4

0.6

0.3 0.45

V

0.05 0.15

5

6.5

A

400

600



50

650



-50

0

mA

Copyright © 2000

Rev. 1.0a,2000-11-28

Microsemi

Linfinity Microelectronics Division

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

Page 4

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