MP7731 View Datasheet(PDF) - Monolithic Power Systems
Part Name
Description
Manufacturer
MP7731 Datasheet PDF : 9 Pages
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MP7731 – 5W – 30W CLASS D MONO BRIDGED AUDIO AMPLIFIER
PACKAGE REFERENCE
NC 1
PIN1 2
NIN1 3
AGND1 4
NC 5
EN1 6
NIN2 7
PIN2 8
AGND2 9
EN2 10
MP7731
EXPOSED PAD
20 PGND1
19 SW1
18 VDD1
17 BS1
16 NC
15 PGND2
14 SW2
13 VDD2
12 BS2
11 NC
Part Number* Package
Temperature
MP7731DF
TSSOP20 –40°C to +85°C
* For Tape & Reel, add suffix –Z (eg. MP7731DF–Z)
For RoHS compliant packaging, add suffix –LF (eg.
MP7731DF–LF–Z)
ABSOLUTE MAXIMUM RATINGS (1)
Supply Voltage VDD............................................. 26V
BS Voltage ............................ VSW-0.3V to VSW+6.5V
Enable Voltage VEN................................. -0.3V to 6V
VSW, 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 18V
Operating Temperature TA ................. -40˚C to 85˚C
Thermal Resistance (3) θJA θJC
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)
VDD = 16.5V, VEN = 5V, RL = 4Ω, TA = +25°C, unless otherwise noted.
Parameter
Symbol Condition
Min
Standby Current
Quiescent Current
VEN = 0V
SW On Resistance
Sourcing and Sinking
Short Circuit Current
Sourcing and Sinking
PIN, NIN Input Common Mode
Voltage Range
0
PIN, NIN Input Current
VPIN=VNIN=8V
EN Enable Threshold Voltage
VEN Rising
VEN Falling
0.4
EN Enable Input Current
VEN = 5V
Thermal Shutdown Trip Point
TJ Rising
Thermal Shutdown Hysteresis
Typ
2
3
0.18
5.0
VDD/2
1
1.4
1.2
1
150
30
Max Units
10
µA
6
mA
Ω
A
VDD-1.5 V
5
µA
2.0
V
V
µA
°C
°C
MP7731 Rev. 1.8
www.MonolithicPower.com
2
9/25/2006
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
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