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

MP20041 Rev. 1.0

www.MonolithicPower.com

4

1/17/2013

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© 2013 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

for each LDO unless otherwise noted.

Parameter

Symbol

Condition

Min

Typ

Max

Units

Input Voltage

2.5

6

V

Output Voltage Range

1.2

3.6

V

Load regulation

(5)

-35

-10

5

mV

Line Regulation

(6)

0.05

%/V

Maximum Output Current

Continuous

300

mA

Current Limit

Short circuit current limit

525

mA

Quiescent Current

No Load

114

uA

75

mV

220

mV

60

mV

Dropout Voltage

(7)

180

mV

EN Input High Threshold

1.6

V

EN Input Low Threshold

0.45

V

EN Input Bias Current

300

nA

Shutdown Supply Current

EN1 = EN2 = GND

0.03

1

uA

Thermal Shutdown Temperature

140

°C

Thermal Shutdown Hysteresis

10

°C

100Hz to 100kHz,

11

Output Voltage Noise

100Hz to 100kHz,

11

f=100Hz

68

dB

f=1kHz

66

dB

f=10kHz

65

dB

f=100Hz

69

dB

f=1kHz

65

dB

Output Voltage AC PSRR

PSRR

f=10kHz

72

dB

Notes:

5) Load Regulation=

()

OUT(MAX )

OUT (MIN)

OUTI

OUTI

OUT NOM

VV

100(%)

V

⎡⎤

⎡

⎤

⎣⎦

⎣

⎦

−

×

6) Line Regulation=

()

IN(MAX )

IN(MIN)

OUT V

OUT V

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.