LX8386-XXCDD datasheet(3/11 Pages) MICROSEMI

Part #	LX8386-XXCDD

Description	1.5A Low Dropout Positive Regulators

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Microsemi

Linfinity Microelectronics Division

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

Page 3

Copyright

Rev. 2.0, 2005-11-02

LX8386x-xx

1.5A Low Dropout Positive Regulators

PRODUCTION DATA SHEET

TM

®

ELECTRICAL CHA RACTERISTICS

Unless otherwise specified, the following specifications apply over the operating ambient temperature for the LX8386x-xxC with

0

°C

≤ T

A ≤ 125°C and the LX8386-xxI with -25°C ≤ TA ≤ 125°C except where otherwise noted. Test conditions: VIN -VOUT = 3V;

IOUT = 1.5A. Low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient

temperature.

LX8386x-xx

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

LX8386-00 / 8386A-00 / 8386B-00 (ADJUSTABLE)

IOUT = 10mA, TA = 25°C

1.238

1.250

1.262

V

10mA < IOUT < IOUT(MAX), 1.5V < (VIN -VOUT),

VIN < 10V, P < PMAX

1.225

1.250

1.270

V

IOUT = 10mA, TA = 25°C

1.240

1.250

1.260

V

Reference Voltage

LX8386/86A-00

(Note 4)

LX8386B-00

VREF

10mA < IOUT < IOUT(MAX), 1.5V < (VIN -VOUT),

VIN < 10V, P < PMAX

1.238

1.250

1.262

V

Line Regulation (Note 2)

Δ VREF

(VIN)

1.5V < (VIN -VOUT), VIN < 7V, IOUT = 10mA

0.015

0.2

%

Load Regulation (Note 2)

Δ VREF

(IOUT)

VIN - VOUT = 3V, 10mA < IOUT < 1.5A

0.15

0.4

%

Thermal Regulation

ΔVOUT

(Pwr)

TA = 25°C, 20ms pulse

0.01

0.04

% / W

Ripple Rejection (Note 3)

VOUT = 5V, f= 120Hz, COUT = 100µF Tantalum,

VIN = 6.5V, CADJ = 10µF, IOUT = 1.5A

65

83

dB

Adjust Pin Current

IADJ

55

100

µA

Adjust Pin Current Change (Note 4)

ΔIADJ

10mA < IOUT < IOUT(MAX), 1.5V < (VIN -VOUT), VIN<10V

0.2

5

µA

ΔVREF = 1%, IOUT = 1.5A

1.2

1.5

V

Dropout Voltage

LX8386-00

LX8386A/86B-00

ΔV

ΔVREF = 1%, IOUT = 1.5A

1.1

1.3

V

Minimum Load Current

IOUT(MIN)

VIN < 10V

2

10

mA

Maximum Output Current

IOUT(MAX)

(VIN - VOUT) < 7V

1.5

2.0

A

Temperature Stability (Note 3)

ΔVOUT(T)

0.25

%

Long Term Stability (Note 3)

ΔVOUT(t)

TA = 125°C, 1000 hours

0.3

1

%

RMS Output Noise (% of VOUT)

(Note 3)

ΔVOUT(RMS) TA = 25°C, 10Hz < f < 10kHz

0.003

%

LX8386-33/ 8386A-33/ 8386B-33 (3.3V FIXED)

VIN = 5V, IOUT = 0mA, TA = 25°C

3.267

3.3

3.333

V

4.75V < VIN < 10V, 0mA < IOUT < 1.5A, P < PMAX

3.235

3.3

3.365

V

VIN = 5V, IOUT = 0mA, TA = 25°C

3.274

3.3

3.326

V

Output Voltage

LX8386-33

(Note 4)

LX8386A/86B-33

VOUT

4.75V < VIN < 10V, 0mA < IOUT < 1.5A, P < PMAX

3.267

3.3

3.333

V

4.75V < VIN < 7V

1

6

mV

Line Regulation (note 2)

ΔVOUT

(VIN)

4.75V < VIN < 10V

2

10

mV

Load Regulation (note 2)

ΔVOUT

(IOUT)

VIN = 5V, 0mA < IOUT < IOUT(MAX)

5

15

mV

Thermal Regulation

ΔVOUT

(Pwr)

TA = 25°C, 20ms pulse

0.01

0.02

% / W

Ripple Rejection (note 3)

COUT = 100µF (Tantalum), IOUT = 1.5A

60

83

dB

Quiescent Current

IQ

0mA < IOUT < IOUT(MAX), 4.75V < V < 10V

4

10

mA

ΔVOUT = 1%, IOUT < IOUT(MAX)

1.2

1.5

V

Dropout Voltage

LX8386-33

LX8386A/86B-33

ΔV

ΔVOUT = 1%, IOUT < IOUT(MAX)

1.1

1.3

V

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