MP7742DF datasheet(2/13 Pages) MPS

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MP7742 – 2 x 15W CLASS D STEREO SINGLE ENDED AUDIO AMPLIFIER

MP7742 Rev. 0.91

www.MonolithicPower.com

1/25/2010

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

PACKAGE REFERENCE

Part Number*

Package

MP7742DF

TSSOP20F

Temperature

Top Marking

–40

°C to +85°C

MP7742DF

* For Tape & Reel, add suffix –Z (e.g. MP7742DF–Z)

For Lead Free, add suffix –LF (e.g. MP7742DF–LF–Z)

ABSOLUTE MAXIMUM RATINGS (1)

Supply Voltage VDD...................................... 32V

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

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

VSW................... –1V (-5V for <10ns) to VDD + 1V

VPIN, VNIN ................................... –1V to VDD + 1V

AGND to PGND.......................... –0.3V to +0.3V

Junction Temperature............................... 150°C

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

°C

Storage Temperature ..............–65

°C to +150°C

Recommended Operating Conditions

(2)

Supply Voltage VDD.......................... 9.5V to 28V

Operating Temperature TA.........–40°C to +85°C

Thermal Resistance

(3)

θJA

θJC

TSSOP20F ............................. 40 ....... 6.........

°C

Notes:

1) Exceeding these ratings may damage the device.

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

operating conditions.

3) Measured on JESD5 1-7, 4-layer PCB..

ELECTRICAL CHARACTERISTICS (4, 5)

VDD = 24V, VEN = 5V, TA = +25°C, unless otherwise noted.

Parameters

Symbol Condition

Min

Typ

Max

Units

Supply Current

Standby Current

VEN = 0V

100

µA

Quiescent Current

SW=0V

Output Drivers

SW On Resistance

Sourcing and Sinking

0.25

Ω

Short Circuit Current

Sourcing and Sinking

4.5

Inputs

REF1/2, IN1/2, Input Common

Mode Voltage Range

VDD

VDD – 1.5

REF1/2, IN1/2, Input Current

VPIN = VNIN = 12V

µA

VEN Rising

1.8

2.5

EN Enable Threshold Voltage

VEN Falling

0.8

1.2

EN Enable Input Current

VEN = 5V

µA

Thermal Shutdown

Thermal Shutdown Trip Point

TJ Rising

150

°C

Thermal Shutdown Hysteresis

°C

Note:

4) The device is not guaranteed to function outside its operating rating.

5) Electrical Characteristics are for the IC only with no external components except bypass capacitors.

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