MP2303DN
The MP2303DN is a switching regulator designed for high efficiency power conversionMP2303DN
The MP2303DN is a switching regulator designed for high efficiency power conversion
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MP2303DN 數據表
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詳細說明
The MP2303 is a monolithic synchronous buck regulator. The device integrates power MOSFETS that provide 3A continuous load current over a wide operating input voltage of 4.75V to 28V. Current mode control provides fast transient response and cycle-by-cycle current limit.
![MP2303DN MP2303DN](/files/uploads/product/b/caea2f6e-f1ba-47ba-bff2-08dbc6589f1e.webp)
主要特徵
- 3A Output Current
- Wide 4.75V to 28V Operating Input Range
- Integrated Power MOSFET Switches
- Output Adjustable from 0.8V to 25V
- Up to 95% Efficiency
- Programmable Soft-Start
- Stable with Low ESR Ceramic Output Capacitors
- Fixed 340KHz Frequency
- Cycle-by-Cycle Over Current Protection
- Input Under Voltage Lockout
- Thermally Enhanced 8-Pin SOIC and 3x3 QFN10 Packages
![MPS Inventory MPS Inventory](/files/uploads/inventory/MPS/MPS1.jpg)
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Pbfree Code | No | Rohs Code | No |
Part Life Cycle Code | Not Recommended | Part Package Code | SOIC |
Pin Count ! | 8 | Reach Compliance Code | compliant |
ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
Analog IC - Other Type | SWITCHING REGULATOR | Control Mode | CURRENT-MODE |
Input Voltage-Max | 28 V | Input Voltage-Min | 4.75 V |
Input Voltage-Nom | 12 V | JESD-30 Code | R-PDSO-G8 |
Length | 4.9 mm | Number of Functions | 1 |
Number of Terminals | 8 | Operating Temperature-Max | 85 °C |
Operating Temperature-Min | -40 °C | Output Current-Max | 6.3 A |
Package Body Material | PLASTIC/EPOXY | Package Code | HSOP |
Package Shape | RECTANGULAR | Package Style | SMALL OUTLINE, HEAT SINK/SLUG |
Peak Reflow Temperature (Cel) | NOT SPECIFIED | Qualification Status ! | Not Qualified |
Seated Height-Max | 1.73 mm | Surface Mount ! | YES |
Switcher Configuration | BUCK | Switching Frequency-Max | 400 kHz |
Temperature Grade ! | INDUSTRIAL | Terminal Form ! | GULL WING |
Terminal Pitch ! | 1.27 mm | Terminal Position | DUAL |
Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | Width | 3.905 mm |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is MP2303DN?
The MP2303DN is a high-frequency synchronous rectified step-down switch-mode converter designed by Monolithic Power Systems. It is suitable for various applications requiring efficient power conversion, such as voltage regulators, battery chargers, and DC-DC converters.
How Does MP2303DN Work?
The MP2303DN operates by converting a higher input voltage to a lower output voltage efficiently. It utilizes a synchronous rectification topology to minimize power loss and maximize efficiency. The converter features a built-in high-side and low-side power MOSFETs, along with PWM control, to regulate the output voltage accurately.
How Many Pins does MP2303DN have and What are the Functions of the Pinout Configuration?
The MP2303DN is housed in a 6-pin TSOT23 package. The pinout configuration includes:
- VIN: Input voltage pin.
- GND: Ground pin.
- SW: Switch pin for the inductor connection.
- EN: Enable input pin for turning the converter on or off.
- PGND: Power ground pin.
- VOUT: Output voltage pin.
What are the Pros and Cons of MP2303DN?
Pros:
- High Efficiency: Utilizes synchronous rectification for improved power conversion efficiency.
- Compact Design: Comes in a small TSOT23 package, suitable for space-constrained applications.
- Integrated Power MOSFETs: Features integrated high-side and low-side MOSFETs for simplified design.
- Wide Input Voltage Range: Supports a broad input voltage range for flexibility in application.
Cons:
- Thermal Considerations: May require additional thermal management for heat dissipation.
- Complexity in Layout: Requires careful PCB layout to optimize performance and minimize noise.
Are There Any Equivalents/Alternatives to MP2303DN for Recommendation?
- The LM2575 from Texas Instruments is a similar step-down converter with adjustable output voltage.
- Alternatives to the MP2303DN include the AP3012 from Diodes Incorporated and the TPS54231 from Texas Instruments.
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