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參數(shù)資料
| 型號(hào)： | EV0045 |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 5W - 30W Class D Mono Bridged Audio Amplifier |
| 中文描述： | 5W -功率30W D類單聲道橋接音頻放大器 |
| 文件頁(yè)數(shù)： | 2/9頁(yè) |
| 文件大?。?/td> | 279K |
| 代理商： | EV0045 |
MP7731 – 5W – 30W CLASS D MONO BRIDGED AUDIO AMPLIFIER
MP7731 Rev. 1.8
9/25/2006
www.MonolithicPower.com
2
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
–40
°
C to +85
°
C
MP7731DF
TSSOP20
*
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 V
DD
.............................................26V
BS Voltage............................V
SW
-0.3V to V
SW
+6.5V
Enable Voltage V
EN
.................................-0.3V to 6V
V
SW
, V
PIN
, V
NIN
.....................................-1V to V
DD
+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 V
DD
................................ 9.5V to 18V
Operating Temperature T
A
.................-40
C to 85
C
Thermal Resistance
(3)
TSSOP20 ...............................40....... 6....
°
C/W
θ
JA
θ
JC
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)
V
DD
= 16.5V, V
EN
= 5V, R
L
= 4
, T
A
= +25
°
C, unless otherwise noted.
Parameter
Symbol Condition
Standby Current
Quiescent Current
SW On Resistance
Short Circuit Current
PIN, NIN Input Common Mode
Voltage Range
PIN, NIN Input Current
Min
Typ
2
3
0.18
5.0
Max
10
6
Units
μ
A
mA
A
V
EN
= 0V
Sourcing and Sinking
Sourcing and Sinking
0
V
DD
/2
V
DD
-1.5
V
V
PIN
=V
NIN
=8V
1
5
μA
V
EN
Rising
1.4
2.0
V
EN Enable Threshold Voltage
V
EN
Falling
V
EN
= 5V
T
J
Rising
0.4
1.2
1
150
30
V
μA
°
C
°
C
EN Enable Input Current
Thermal Shutdown Trip Point
Thermal Shutdown Hysteresis
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