MP2002 datasheet(3/11 Pages) MPS

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MP2002 – LOW INPUT VOLTAGE, 500mA LINEAR REGULATOR

MP2002 Rev. 1.11

www.MonolithicPower.com

10/10/2011

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

ELECTRICAL CHARACTERISTICS

VIN = 1.8V, VOUT = 1.2V, COUT = 4.7µF, CIN = 2.2µF, TA = +25°C, unless otherwise noted.

Parameter

Symbol Condition

Min

Typ

(5)

Max

Units

Operating Voltage

IOUT = 1mA

1.35

6.5

IOUT = 1mA

(7)

100

µA

Ground Pin Current

IOUT = 500mA

Shutdown Current

VEN = 1.45V, VIN = 5V

µA

0.482

0.500

0.508

FB Regulation Voltage

–40

°C ≤ TA ≤ +85°C

0.477

0.495

0.513

Dropout Voltage

(8)

IOUT = 500mA

290

Line Regulation

IOUT = 1mA,

VIN = (VOUT + 0.5V) to 6.5V

(8)

0.005

%/V

Load Regulation

IOUT = 1mA to 500mA,

VIN = VOUT + 0.5V

0.001

%/mA

Power Good Output Voltage

Low

(9)

VOL

Isink = 0.5mA

0.5

EN Input High Voltage

1.2

EN Input Low Voltage

0.4

EN Input Bias Current

VEN = 1.5V, 5V

0.01

μA

Thermal Protection

155

°C

Current Limit

550

730

Notes:

5) Parameter is guaranteed by design, not production tested.

6) Resistors for VOUT measurement are 10k, 14k, 1%

7) The ground current does not include current through feedback current

8) Dropout Voltage is defined as the input to output differential when the output voltage drops 1% below its nominal value

9) VFEEDBACK is 90% of the regulated value with 10k pull-up to 5V

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