MP20046 – FAST TRANSIENT RESPONSE, 2A, LOW DROPOUT VOLTAGE REGULATOR

MP20046 Rev. 1.1

www.MonolithicPower.com

4

10/13/2010

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2010 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Condition

Min

Typ

Max

Units

1.5V

1.485

1.5

1.515

1.8V

1.782

1.8

1.818

2.5V

2.475

2.5

2.525

Output Voltage

3.3V

3.267

3.3

3.333

V

Ground Pin Current

75

300

µA

Line Regulation

(5)

0.01

0.1

%/V

Load Regulation

(6)

4

mV

Output Voltage Noise

10Hz to 30kHz,

17

300

470

300

470

280

420

Dropout Voltage

(7)

210

400

mV

Current Limit

3.3

4.5

A

Standby Current

1

10

µA

1.5

V

0.4

V

Thermal Shutdown Temperature

+150

°C

Output Voltage AC PSRR

PSRR

70

dB

Minimum Input Voltage

for Valid PG

V

1.6

V

Trip Threshold Voltage

78

86

Hysteresis Voltage

1.15

Output Low Voltage

0.15

0.4

V

PG

Leakage Current

1

µA

-1

1

µA

-1

0

1

µA

Notes:

5) Line Regulation=

()

IN(MAX )

IN(MIN)

OUT V

OUT V

IN(MIN)

OUT(NOM)

IN MAX

VV

100(% / V)

VV

V

⎡⎤

⎡

⎤

⎣⎦

⎣

⎦

−

×

⎡⎤

−×

⎣⎦

6) Load Regulation=

OUT(MAX )

OUT(MIN)

OUT I

OUT I

VV

⎡⎤

⎡

⎤

⎣⎦

⎣

⎦

−