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MP3221 2.5-6V, 2.7A, 1.2MHz High-Efficiency Step-Up Converter TSOT23
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pMPS MP3221 — high-efficiency step-up converter, 2.5-6V input, 2.7A output, 1.2 MHz, TSOT23./p
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MP3221 2.5-6V, 2.7A, 1.2MHz High-Efficiency Step-Up Converter TSOT23
MPS MP3221 is a high-efficiency step-up converter that accepts 2.5 V to 6 V input, delivers 2.7 A, switches at 1.2 MHz, supplied in a TSOT23 package.
Key Specifications
| Part Number | MP3221 |
| Input Voltage | 2.5 V to 6 V |
| Output Voltage | 3 V to 6 V |
| Output Current | 2.7 A |
| Switching Frequency | 1.2 MHz |
| Quiescent Current | 270 uA |
| Topology | High-Efficiency Step-Up Converter |
| Package | TSOT23 |
| Ordering Codes | MP3221 |
Features
- Integrated 88mΩ Power MOSFET
- 270µA Quiescent Current
- 2.5V to 6V Input Voltage
- 3V to 6V Output Voltage
- 1.2MHz Fixed Switching Frequency
- Internal 2.7A Switch Current Limit
- Integrated Input Disconnect Driver
- Internal Soft Start and Compensation
- True Output Disconnect from Input
- Under Voltage Lockout
Typical Application Circuit
Applications
- Single-Cell Lion Battery or Three-Cell Alkaline, NiCd, or NiMH Battery Based Products
- Portable Media Players
- Wireless Peripherals
Design Notes
- In boost mode the input current is continuous but the output current is pulsed; size the output capacitor for the load transient.
- Power switches are integrated, so the thermal path is the PCB copper under the pad.
- Package TSOT23 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MP3221?
2.5–6 V input and 2.7 A output.
What switching frequency does the MP3221 run at?
1.2 MHz.
Which package is the MP3221 available in?
TSOT23.
Shenzhen Gaorunxin Technology Co., Ltd
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