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PDF MP3410 Data sheet ( Hoja de datos )
| Número de pieza | MP3410 | |
| Descripción | 1.3A 550kHz Synchronous Rectified Step-up Converter | |
| Fabricantes | MPS | |
| Logotipo |  |
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The Future of Analog IC Technology
DESCRIPTION
The MP3410 is a highly efficient, synchronous,
fixed frequency, current-mode step-up converter
with output to input disconnect, inrush current
limiting and internal soft-start. It includes an error
amplifier, ramp generator, comparator, N-Channel
switch and P-Channel synchronous rectified
switch (which greatly improves efficiency). The
output disconnect feature allows the output to be
completely isolated from the input in shutdown
mode.
The 550kHz switching frequency allows for
smaller external components producing a
compact solution for a wide range of load currents.
The internal compensation and soft-start
minimizes the external component count and
limits the inrush current during startup. The
MP3410 has integrated power MOSFET which
can support up to 6V output and typical 1.3A
switch current.
The MP3410 is offered in a thin SOT23-5
package.
MP3410
1.3A, 550kHz Synchronous
Rectified Step-up Converter
FEATURES
• Over 90% Efficiency
• Output to Input Disconnect at Shutdown Mode
• Internal Synchronous Rectifier
• Inrush Current Limiting and Internal Soft-Start
• Internal Compensation
• 1.3A Typical Switch Current Limit
• 550kHz Fixed Switching Frequency
• Zero Current Shutdown Mode
• Thermal Shutdown
• 5-Pin TSOT-23 Package
APPLICATIONS
• MP3 Players
• Handheld Computers and PDAs
• Digital Still and Video Cameras
• External Modems
• Small LCD Displays
For MPS green status, please visit MPS website under Quality Assurance.
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of
Monolithic Power Systems, Inc.
TYPICAL APPLICATION
VIN
1.8V - 3.2V
EN
5
EN
4
SW 3
OUT
MP3410
GND
2
1
FB
VOUT
3.3V
400mA
Efficiency vs
Load Current
100
90 VIN=3.6V
80
70 VIN=2.4V
60
50
40
30
10
VOUT=5V
100 1000
LOAD CURRENT (mA)
MP3410 Rev. 1.12
www.MonolithicPower.com
6/30/2011
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2011 MPS. All Rights Reserved.
1
1 page  
MP3410 — 1.3A, 550kHz SYNCHRONOUS RECTIFIED STEP-UP CONVERTER
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Circuit on front page, VIN = 2.4V, VOUT = 3.3V, TA = +25°C, unless otherwise noted.
PIN FUNCTIONS
Pin #
1
2
3
4
5
Name
FB
GND
OUT
SW
EN
Description
Regulation Feedback Input. Connect to an external resistive voltage divider from the output to
FB to set the output voltage.
Ground.
Supply Input for the MP3410. Connect to the output of the converter.
Output Switching Node. SW is the drain of the internal low-side N-Channel MOSFET and
high-side P-Channel MOSFET. Connect the inductor to SW to complete the step-up converter.
Regulator On/Off Control Input. A logic high input turns on the regulator. A logic low input (VEN
< 0.4V) puts the MP3410 into low current shutdown mode. EN Input High Voltage will shift
upward for a higher VIN. For a given VIN, as long as the voltage applied at EN pin is equal to or
higher than correspondent EN-High-min value specified in the EC table , the part can turn on
normally.
MP3410 Rev. 1.12
www.MonolithicPower.com
6/30/2011
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2011 MPS. All Rights Reserved.
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet MP3410.PDF ] | |
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