MP20041-DUAL, ULTRA LOW NOISE, HIGH PSRR, 300mA LINEAR REGULATOR

MP20041 Rev. 1.2

www.MonolithicPower.com

4

7/15/2019

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© 2019 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

VIN=3.5V, VOUT1=1.8V, VOUT2=2.5V, CIN=COUT1=COUT2=1μF, EN1=EN2=VIN, Typical Value at TA=25C

for each LDO unless otherwise noted.

Parameter

Symbol

Condition

Min

Typ

Max

Units

Input Voltage

VIN

VIN=2.5V to 6.0V

2.5

6

V

Output Voltage Range

VOUT

1.2

3.6

V

Load regulation(5)

∆VOUT

ILOAD = 1mA to 300mA

-35

-10

5

mV

Line Regulation(6)

∆VLINE

VIN =(VOUT+0.3V or 2.5V)

to 6V, IOUT=1mA

0.05

%/V

Maximum Output Current

IMAX

Continuous

300

mA

Current Limit

ILIM

Short circuit current limit

525

mA

Quiescent Current

IG

No Load

114

uA

Dropout Voltage (7)

VDROP1

VOUT1=1.8V, IOUT1 = 100mA

75

mV

VOUT1=1.8V, IOUT1 = 300mA

220

mV

VDROP2

VOUT2=2.5V, IOUT2 = 100mA

60

mV

VOUT2=2.5V, IOUT2 = 300mA

180

mV

EN Input High Threshold

VIH

VIN = 2.5V to 6.0V

1.6

V

EN Input Low Threshold

VIL

VIN = 2.5V to 6.0V

0.45

V

EN Input Bias Current

ISD

EN = GND or VIN

300

nA

Shutdown Supply Current

IGSD

EN1 = EN2 = GND

0.03

1

uA

Thermal Shutdown Temperature

TSD

140

°C

Thermal Shutdown Hysteresis

∆TSD

10

°C

Output Voltage Noise

100Hz to 100kHz,

COUT=1μF, ILOAD=10mA

11

μVRMS

100Hz to 100kHz,

COUT=1μF, ILOAD=100mA

11

μVRMS

Output Voltage AC PSRR

PSRR

ILoad=10mA

f=100Hz

68

dB

f=1kHz

66

dB

f=10kHz

65

dB

ILoad=150mA

f=100Hz

69

dB

f=1kHz

65

dB

f=10kHz

72

dB

Notes:

5) Load Regulation=



OUT(MAX )

OUT (MIN)

OUT I

OUT I

OUT NOM

VV

100(%)

V

















6) Line Regulation=



IN(MAX )

IN(MIN)

OUTV

OUTV

IN(MIN)

OUT(NOM)

IN MAX

VV

100(% / V)

VV

V























7) Dropout Voltage is defined as the input to output differential when the output voltage drops 100mV below its nominal value.