LX8585-00CDD datasheet(4/8 Pages) MICROSEMI

Part #	LX8585-00CDD

Description	4.6A LOW DROPOUT POSITIVE REGULATORS

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Manufacturer	MICROSEMI [Microsemi Corporation]

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4.6A L OW D ROPOUT P OSITIVE R EGULA TORS

LX8585-xx/8585A-xx

PRODUCT DA T ABOOK 1996/1997

Rev. 2.2

12/97

4

P RODUCTION D ATA S HEET

ELECTRICAL CHARACTERISTICS

(Continued)

Parameter

Symbol

Test Conditions

Units

LX8585/85A-33

Min.

Typ.

Max.

Output Voltage (Note 4)

V

OUT

V

IN = 5V, IOUT = 0mA, TA = 25°C

4.75V

≤ V

IN ≤

10V, 0mA

≤ I

OUT ≤ 7A, TA = 25°C, 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, 10mA ≤ IOUT ≤ IOUT (MAX)

Thermal Regulation (Note 3)

∆V

OUT(Pwr)

T

A = 25°C, 20ms pulse

Ripple Rejection (Note 3)

C

OUT = 100µF (Tantalum), IOUT = 4.6A, TA = 25°C

Quiescent Current

I

Q

0mA

≤ I

OUT ≤ IOUT (MAX) , 4.75V ≤ VIN ≤ 10V

Dropout Voltage

LX8585-33

∆V

OUT = 1%, IOUT ≤ IOUT (MAX) , V IN - VOUT ≤ 7V

∆V

OUT = 1%, IOUT ≤ 3A, VIN - VOUT ≤ 7V

LX8585A-33

∆V

OUT = 1%, IOUT ≤ IOUT (MAX) , V IN - VOUT ≤ 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

3.3

3.333

V

3.235

3.3

3.365

V

16

mV

210

mV

515

mV

0.01

0.02

% / W

65

83

dB

410

mA

1.2

1.4

V

1.1

1.3

V

1.1

1.2

V

0.25

%

0.3

1

%

0.003

%

LX8585-33 / 8585A-33 (3.3V Fixed)

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