MP20056 datasheet(4/15 Pages) MPS

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MP20056 – LOW-NOISE, HIGH-PSRR, 250mA LINEAR REGULATOR

MP20056 Rev.1.1

www.MonolithicPower.com

12/17/2015

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

ELECTRICAL CHARACTERISTICS

VIN=VOUT+0.5V or VIN=2.5V, EN=VIN, VOUT =1.8V or 3.3V. Typical values are at Tj=25°C, unless

otherwise specified.

Parameter

Condition

Min

Typ

Max

Units

Input Voltage

2.5

5.5

Input

Under-Voltage

Lockout

VIN rising, VOUT=1.8V

1.95

2.3

Hysteresis of UVLO

160

FB Voltage

VOUT=0.8V, IOUT=1mA, Tj=25°C

0.784

0.8

0.816

Output Voltage Accuracy

IOUT=1mA, TJ=25°C

-2

Maximum Output Current

Continuous

250

Short-Circuit Current Limit

VOUT=0, VIN≥2.5V

350

550

850

In-Regulation Current Limit

VOUT within 4% of normal output voltage

VIN=5.5V

300

550

800

IOUT=0.1mA

150

250

Ground Current

IOUT=250mA

220

330

μA

Dropout Voltage

(6)

IOUT=250mA, VOUT=3.3V, TJ=25°C

100

150

Line Regulation

(7)

VIN from VOUT+0.5V or 2.5V to 5.5V,

IOUT=100mA,

-0.15

0.15

%/V

VOUT=1.8V, 3.3V

-0.3

0.3

Load Regulation

(8)

IOUT from 100mA to

250mA

VOUT=2.5V

-0.4

0.4

VOUT=1.8V

VOUT=3.3V

Output-Voltage Noise

(9)

IOUT=100mA, f ranges

from 10Hz to 100kHz

VOUT=5V

μVRMS

f=100Hz

f=1kHz

f=10kHz

PSRR

(9)

VOUT = 1.8V, 2.5V,

3.3V

IOUT = 250mA

f=1MHz

Shutdown Supply Current

VIN=+5.5V, TJ=25°C

0.1

0.3

μA

EN Pin Current , Enabled

VIN=VEN=+5.5V

0.1

0.3

μA

VOUT=1.8V

100

300

Startup Time

COUT=4.7μF,

VOUT=10% to

90%VOUT(NOM)

VOUT=3.3V, 2.5V

100

450

μs

EN Logic High

1.5

EN PIN Threshold

EN Logic Low

0.4

Thermal Shutdown

(9)

150

°C

Thermal

Shutdown

Hysteresis

(9)

°C

Notes:

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

7) Line Regulation=



IN(MAX )

IN(MIN)

OUT V

IN(MIN)

OUT(NOM)

IN MAX

(% / V)























8) Load Regulation=



OUT (MAX )

OUT (MIN)

OUT I

OUT NOM

(%)

















9) Design guarantee, no test in production

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