LX8213-33ISE datasheet(4/11 Pages) MICROSEMI

Part #	LX8213-33ISE

Description	300mA Low Noise CMOS LDO Regulator

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Manufacturer	MICROSEMI [Microsemi Corporation]

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4 / 11 page

LX8213

PRODUCTION DATASHEET

Microsemi

Analog Mixed Signal Group

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

Page 4

Copyright

Rev. 1.1, 2009-03-24

300mA Low Noise CMOS LDO Regulator

TM

®

ELECTRI CAL CHARACTERISTICS

LX8213-12ISE/-33ISE (Fixed Output). Unless otherwise specified, the following specifications apply over the operating temperature of -40

°C

≤ T

A

≤

85

°C with the following test conditions: VIN=2.5V for VOUT=1.2V, VIN=(VOUT+1V) for VOUT=3.3V, SHDN = HIGH, CIN=1μF, COUT=1μF

LX8213-12/33

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

LX8213-12ISE (1.2V), LX8213-33ISE (3.3V) (FIXED OUTPUT)

Output Voltage

VOUT

1mA ≤ IOUT ≤ 300mA

98%*

VOUT

102%*

VOUT

V

Input Voltage

VIN

2.5

6

V

Maximum Output Current

IOUT(MAX)

300

400

mA

Load Regulation

ΔVOUT

/ VOUT

1mA ≤ IOUT ≤ 300mA

0.7

%

Line Regulation

ΔVOUT

/ VOUT

2.5V ≤ VIN ≤ 6V for VOUT=1.2V,

(VOUT+0.5V) ≤ VIN ≤ 6V for VOUT=3.3V,

IOUT=30mA

0.2

%

Dropout Voltage

VDROP

VOUT=3.3V, IOUT=300mA, ΔVOUT=-1%

170

300

mV

Quiescent Current

IQ

IOUT=0mA

60

90

uA

Shutdown Current

ISHDN

SHDN = LOW

0.1

1.0

uA

f=100Hz

68

f=1kHz

68

Power Supply Rejection Ratio

PSRR

Ripple 1Vpp,

VIN=3V for VOUT=1.2V

VIN=4.3V for VOUT=3.3V

f=10kHz

54

dB

Output Voltage Temperature

Coefficient

(ΔVOUT/VOUT)

/ΔT

IOUT=30mA, -40°C

≤ T

A

≤ 85°C

±100

ppm/˚C

Short Current Limit

ISHORT

VOUT=0V

50

mA

Soft Start Time

tUP

50

uS

Shutdown “High” Logic Threshold

(Device Enabled)

1.5

6

V

Shutdown “Low” Logic Threshold

(Device Disabled)

0

0.4

V

VOUT Discharge Internal MOSFET

RDS(ON)

SHDN = LOW

60

Ω

Shutdown Internal Pull Down

Resistance

3

MΩ

Thermal Shutdown

165

˚C

Thermal Shutdown Hysteresis

30

˚C

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