MP7731 – 5W – 30W CLASS D MONO BRIDGED AUDIO AMPLIFIER

MP7731 Rev. 1.8

www.MonolithicPower.com

2

9/25/2006

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2006 MPS. All Rights Reserved.

PACKAGE REFERENCE

NC

PIN1

NIN1

AGND1

NC

EN1

NIN2

PIN2

AGND2

EN2

1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

11

PGND1

SW1

VDD1

BS1

NC

PGND2

SW2

VDD2

BS2

NC

MP7731

EXPOSED PAD

Part Number*

Package

Temperature

MP7731DF

TSSOP20

–40

°C to +85°C

For RoHS compliant packaging, add suffix –LF (eg.

MP7731DF–LF–Z)

ABSOLUTE MAXIMUM RATINGS

(1)

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)

Thermal Resistance

(3)

TSSOP20 ............................... 40 ....... 6....

°C/W

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 approximately 1” square of 1 oz copper.

ELECTRICAL CHARACTERISTICS

(4)

Parameter

Symbol Condition

Min

Typ

Max

Units

Standby Current

2

10

µA

Quiescent Current

3

6

mA

SW On Resistance

Sourcing and Sinking

0.18

Ω

Short Circuit Current

Sourcing and Sinking

5.0

A

PIN, NIN Input Common Mode

Voltage Range

0

V

PIN, NIN Input Current

1

5

µA

1.4

2.0

V

EN Enable Threshold Voltage

0.4

1.2

V

EN Enable Input Current

1

µA

Thermal Shutdown Trip Point

150

°C

Thermal Shutdown Hysteresis

30

°C