MP2040 datasheet(2/12 Pages) MPS

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MP2040 –FAST TRANSIENT RESPONSE, 3A VERY LOW DROPOUT LINEAR REGULATOR

MP2040 Rev.1.0

www.MonolithicPower.com

9/21/2010

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

ORDERING INFORMATION

Part Number

Package

Top Marking

Free Air Temperature (TA)

MP2040DQ*

3x3 QFN10

-40

°C to +85°C

MP2040DU**

5x5 QFN32

MP2040DU

-40

°C to +85°C

For Tape & Reel, add suffix –Z (e.g. MP2040DQ–Z).

For RoHS compliant packaging, add suffix –LF (e.g. MP2040DQ–LF–Z)

** For Tape & Reel, add suffix –Z (e.g. MP2040DU–Z).

For RoHS compliant packaging, add suffix –LF (e.g. MP2040DU–LF–Z)

PACKAGE REFERENCE

TOP VIEW

VIN

BIAS

PGOOD

GND

VOUT

BYPASS

EXPOSED PAD

ON BACKSIDE

TOP VIEW

N/C

VIN

BIAS

PGOOD

GND

N/C

VOUT

BYPASS

N/C N/C N/C N/C N/C N/C N/C N/C

910

EXPOSED PAD

ON BACKSIDE

3x3 QFN10

5x5 QFN32

ABSOLUTE MAXIMUM RATINGS

(1)

VBIAS, VIN to GND.............................-0.3V to +6V

FB, EN, to GND ................................-0.3V to 6V

VOUT................................-0.3V to VIN + 0.3 or 6V

PGOOD ......................-0.3V to VBIAS + 0.3 or 6V

BYPASS ......................-0.3V to VBIAS +0.3 or 6V

Continuous Power Dissipation (TA = +25°C)

(2)

QFN10 3X3................................................ 2.5W

QFN32 5X5.............................................. 3.47W

Junction Temperature...............................150

°C

Lead Temperature ....................................260

°C

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

°C

Recommended Operating Conditions

(3)

Input Voltage VIN .............................1.1V to 5.5V

Input Voltage VBIAS ..........................3.3V to 5.5V

Output Voltage................................0.9V to 3.3V

Load Current...............................3.0A Maximum

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

Thermal Resistance

(4)

θJA

θJC

QFN10 3X3… ......................... 50……12

°C/W

QFN32 5X5… ......................... 36….…8

°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 PCB.

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