MP7741 datasheet(2/14 Pages) MPS

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MP7741 – 10W CLASS D MONO SINGLE ENDED AUDIO AMPLIFIER

MP7741 Rev. 1.0

www.MonolithicPower.com

2/17/2011

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

ORDERING INFORMATION

Part Number*

Package

Top Marking

Free Air Temperature (TA)

MP7741DQ

QFN10 (3mm x 3mm)

-40

°C to +85°C

* For Tape & Reel, add suffix –Z (e.g. MP7741DQ–Z).

For RoHS compliant packaging, add suffix –LF (e.g. MP7741DQ–LF–Z)

PACKAGE REFERENCE

ABSOLUTE MAXIMUM RATINGS (1)

Supply Voltage VDD ...................................... 40V

BS Voltage..................VSW – 0.3V to VSW + 6.5V

Enable Voltage VEN.........................-0.3V to +6V

VUVP, VSW, VPIN, VNIN ...................-1V to VDD + 1V

AGND to PGND ...........................-0.3V to +0.3V

Continuous Power Dissipation (TA = +25°C)

(2)

………………………………………………....2.5W

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

°C

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

°C

Storage Temperature............... -65

°C to +150°C

Recommended Operating Conditions

(3)

Supply Voltage VDD ..........................9.5V to 36V

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

Thermal Resistance

(4)

θJA

θJC

3x3 QFN10..............................50 ...... 12 .......

°C

Notes:

Exceeding these ratings may damage the device.

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.

The device is not guaranteed to function outside of its

operating conditions.

Measured on JESD51-7, 4-layer PCB.

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