LX8384A-33CP datasheet(4/8 Pages) MICROSEMI

Part #	LX8384A-33CP

Description	5A LOW DROPOUT POSITIVE REGULATORS

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Manufacturer	MICROSEMI [Microsemi Corporation]

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5A L OW D ROPOUT P OSITIVE R EGULATORS

LX8384-xx/8384A-xx/8384B-xx

PRODUCT DA T ABOOK 1996/1997

Rev. 1.9

12/97

4

P RODUCTION D ATA

S HEET

ELECTRICAL CHARACTERISTICS

(Continued)

Parameter

Symbol

Test Conditions

Units

LX8384/84A/84B-33

Min.

Typ.

Max.

Output Voltage

LX8384/84A-33

V

OUT

V

IN = 5V, IOUT = 0mA, TA = 25°C

(Note 4)

4.75V

≤ V

IN ≤

10V, 0mA

≤ I

OUT ≤ 5A, P ≤ PMAX

LX8384B-33

V

IN = 5V, IOUT = 0mA, TA = 25°C

4.75V

≤ V

IN ≤

10V, 0mA

≤ I

OUT ≤ 5A, P ≤ PMAX

Line Regulation (Note 2)

∆V

OUT

4.75V

≤ V

IN ≤ 7V

(V

IN )

4.75V

≤ V

IN ≤ 10V

Load Regulation (Note 2)

∆V

OUT (IOUT)

V

IN = 5V, 0mA ≤ IOUT ≤ IOUT (MAX)

Thermal Regulation

∆V

OUT(Pwr)

T

A = 25°C, 20ms pulse

Ripple Rejection (Note 3)

C

OUT = 100µF (Tantalum), IOUT = 5A

Quiescent Current

I

Q

0mA

≤ I

OUT ≤ IOUT (MAX) , 4.75V ≤ VIN ≤ 10V

Dropout Voltage

LX8384-33

∆V

OUT = 1%, IOUT ≤ IOUT (MAX)

LX8384A/84B-33

∆V

OUT = 1%, IOUT ≤ IOUT (MAX)

Maximum Output Current

I

OUT (MAX)

V

IN ≤ 7V

Temperature Stability (Note 3)

∆V

OUT (T)

Long Term Stability (Note 3)

∆V

OUT (t)

T

A = 125°C, 1000 hours

RMS Output Noise (% of V

OUT) (Note 3)

V

OUT (RMS)

T

A = 25°C, 10Hz ≤ f ≤ 10kHz

3.267

3.30

3.333

V

3.235

3.30

3.365

V

3.274

3.30

3.326

V

3.267

3.30

3.333

V

16

mV

210

mV

515

mV

0.01

0.02

% / W

60

83

dB

410

mA

1.2

1.5

V

1

1.3

V

56

A

0.25

%

0.3

1

%

0.003

%

LX8384-33 / 8384A-33 / 8384B-33 (3.3V Fixed)

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