EV0041
Monolithic Power Systems
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).
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.
MP8040
Full Bridge or Single Ended
Audio Amplifier
EVALUATION BOARD
Absolute Maximum Ratings
Supply Voltage V
IN
SW Pin Voltage V
SW
SW to BS
Voltage at All Other Pins
RMS Output Current
-0.3V to 26V
-0.3V to V
IN
-0.3V to 6V
-0.3V to 6V
6A Maximum
Recommended Operating Conditions
Input Supply Voltage (V
IN
)
Peak Output Current
RMS Output Current
7.5 V to 25V
9A Maximum
4.5A Maximum
Features
+/- 9A Peak Current Output
+/- 4.25A Continuous Current Output
Up to 1.2MHz Switching Frequency
Protected Integrated Power 0.1
Ω
Switches
Designed Switch Dead time of 30ns
All Switches Current Limited
Internal Under-voltage Protection
Internal Thermal Protection
1µA Standby Mode
Fault Indicator Output
Ordering Information
Board Number
EV0041
MPS IC Number
MP8040DN
EV0041 Evaluation Board
Applications
Full or Half Bridge DC-DC Switching Regulator
Class D Audio Driver
Motor Driver
(Actual Size: 3.5”X x 3.5”Y)
EV0041 Rev 1.4_8/1/05
Monolithic Power Systems, Inc.
1
MPS [ MONOLITHIC POWER SYSTEMS ]
