MP20045 datasheet(3/13 Pages) MPS

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MP20045 – LOWER NOISE, 1A LINEAR REGULATOR

MP20045 Rev. 1.0

www.MonolithicPower.com

10/13/2010

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

ABSOLUTE MAXIMUM RATINGS (1)

VIN, EN, PG, FB to GND ................-0.3V to +6V

OUT to GND .........................-0.5V to VIN + 0.5V

Continuous Power Dissipation

(TA=+25°C)

(2)

QFN8 (3x3) ......................................................2.0W

SOIC8E ............................................................2.0W

Free Air Temperature (TA).............. -40°C to 85°C

Storage Temperature Range ..... -65°C to 150°C

Lead Temperature (Soldering, 10sec)...........260°C

ESD Susceptibility

HBM (Human Body Mode)........................... 2kV

MM (Machine Mode) .................................. 200V

Recommended Operating Conditions

(3)

Supply Input Voltage.......................2.5V to 5.5V

Enable Input Voltage .........................0V to 5.5V

Operating Junct. Temp (TJ)...... -40°C to +125°C

Thermal Resistance

(4)

θJA

θJC

QFN8 (3x3) .............................50 ...... 12 ...

°C/W

SOIC8E...................................50 ...... 10 ...

°C/W

Notes:

1) Exceeding these ratings may damage the device.

2) The maximum allowable power dissipation is a function of the

maximum junction temperature TJ(MAX),

the junction-to-

ambient thermal resistance θJA, and the ambient temperature

TA. The maximum allowable continuous power dissipation at

any ambient temperature is calculated by PD(MAX)=(TJ(MAX)-

TA)/ θJA. Exceeding the maximum allowable power dissipation

will cause excessive die temperature, and the regulator will go

into thermal shutdown. Internal thermal shutdown circuitry

protects the device from permanent damage.

3) The device is not guaranteed to function outside of its

operating conditions.

4) Measured on JESD51-7 4-layer board.

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