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EV0041 데이터시트 PDF




MPS에서 제조한 전자 부품 EV0041은 전자 산업 및 응용 분야에서
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부품번호 EV0041 기능
기능 Full Bridge or Single Ended Audio Amplifier
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EV0041 데이터시트, 핀배열, 회로
www.DataSheet4U.com
Monolithic Power Systems
EV0041
MP8040
Full Bridge or Single Ended
Audio Amplifier
EVALUATION BOARD
General Description
The EV0041 is an evaluation board
designed to demonstrate the capabilities of
MPS’ MP8040. It can be configured as a
stereo single ended amplifier (EV0041A) or
a full bridge mono amplifier (EV0041B).
Absolute Maximum Ratings
Supply Voltage VIN
SW Pin Voltage VSW
SW to BS
Voltage at All Other Pins
RMS Output Current
-0.3V to 26V
-0.3V to VIN
-0.3V to 6V
-0.3V to 6V
6A Maximum
The MP8040 is a general purpose, high
frequency half bridge power driver. The
MP8040 integrates both top and bottom n-
channel MOSFET power switches. The
MP8040 is fully protected from both
sourcing and sinking current by a preset
cycle-by-cycle current limit. The MP8040
features a low-current shutdown-mode,
input under-voltage protection, thermal
shutdown, and fault flag signal output. The
MP8040 interfaces with standard logic
signals and is available in small 8-lead
SOIC package.
Ordering Information
Board Number
EV0041
MPS IC Number
MP8040DN
Recommended Operating Conditions
Input Supply Voltage (VIN)
Peak Output Current
RMS Output Current
7.5 V to 25V
9A Maximum
4.5A Maximum
Features
ƒ +/- 9A Peak Current Output
ƒ +/- 4.25A Continuous Current Output
ƒ Up to 1.2MHz Switching Frequency
ƒ Protected Integrated Power 0.1 Switches
ƒ Designed Switch Dead time of 30ns
ƒ All Switches Current Limited
ƒ Internal Under-voltage Protection
ƒ Internal Thermal Protection
ƒ 1µA Standby Mode
ƒ Fault Indicator Output
EV0041 Evaluation Board
Applications
ƒ Full or Half Bridge DC-DC Switching Regulator
ƒ Class D Audio Driver
ƒ Motor Driver
(Actual Size: 3.5”X x 3.5”Y)
EV0041 Rev 1.4_8/1/05
Monolithic Power Systems, Inc.
1




EV0041 pdf, 반도체, 판매, 대치품
Monolithic Power Systems
EV0041
MP8040
Full Bridge or Single Ended
Audio Amplifier
EVALUATION BOARD
Operation
1. The EV0041 comes configured as a stereo single ended audio amplifier (EV0041A).
2. To configure the board as a full bridge circuit (EV0041B), short R4, R7, R9, remove C4, C7 and
stuff C12 with a 0.47µF capacitor.
3. Connect the audio inputs to the IN pins as shown in Figure 5.
4. Connect speakers to pins 1-4 as shown in Figure 5 for single ended configuration. Use pins 2 and
3 for bridged circuit.
5. Connect the power supply to the VIN terminals as shown in Figure 5.
6. SHDN enables/disables the MP8040. Drive SHDN low to turn on the MP8040, drive it high to turn
it off. If not used connect SHDN to GND.
7. A low output at FLT indicates that the MP8040 has detected a fault and has shutdown.
8. The DR pin is an optional fixed 5V voltage output capable of driving a 1mA load for external
circuitry.
Figure 5: Top Side Evaluation Board Diagram
Power Supply
IN
SHDN
FLT
DR
GND
IN
SHDN
FLT
DR
GND
Right
VIN
Channel
Left
Channel
GND
Bridge
Outputs
1
-
Right
2 Channel
+
3
+
Left
4 Channel
-
Single
Ended
Outputs
EV0041 Rev 1.4_8/1/05
Monolithic Power Systems, Inc.
4

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