MPQ8903 datasheet(3/8 Pages) MPS

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MPQ8903 – LOW DROPOUT, 150mA LINEAR REGULATOR

MPQ8903 Rev. 1.2

www.MonolithicPower.com

5/21/2010

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

ELECTRICAL CHARACTERISTICS

VIN = 5V, TA = +25°C, unless otherwise noted.

Parameter

Symbol Condition

Min

Typ

Max

Units

Operating Voltage

IOUT = 1mA

2.7

6.5

±1.0

±2.0

Output Voltage Accuracy

IOUT = 1mA

VOUT = 1.5V to 5V

–40

°C ≤ TA≤ +85°C

±1.0

±3.0

0.1

Shutdown Current

VEN = 0V, VIN = 5V

–40

°C ≤ TA ≤ +85°C

0.1

µA

1.197 1.222 1.246

FB Regulation Voltage

–40

°C ≤ TA ≤ +85°C

1.194 1.222 1.249

VOUT = 3V

150

Dropout Voltage

(6)

IOUT = 150mA

VOUT = 4V

125

0.005

0.08

Line Regulation

IOUT = 1mA,

VIN = (VOUT + 0.5V)

to 6.5V

(7)

–40

°C ≤ TA ≤ +85°C

0.005

0.11

%/V

0.001

0.02

Load Regulation

IOUT = 1mA to

150mA,

VIN = VOUT + 0.5V

(7)

–40

°C ≤ TA ≤ +85°C

0.001

0.03

%/mA

VIN > VOUT +0.5V, C3 = 2.2µF,

VIN(AC) = 100mV, f = 1kHz

(5)

PSRR

VIN > VOUT +0.5V, C3 = 2.2µF,

VIN(AC) = 100mV, f = 1MHz

(5)

EN Input High Voltage

1.5

EN Input Low Voltage

0.4

0.01

EN Input Bias Current

VEN = 0V

–40

°C ≤ TA ≤ +85°C

0.01

µA

Thermal Protection

(5)

155

°C

Thermal Protection

Hysteresis

(5)

°C

Notes:

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

6) Dropout Voltage is defined as the input to output differential when the output voltage drops 1% below its normal value.

7) VIN = 2.7V for VOUT = 1.25V to 2.2V

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