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MP2205A 3-6V, 2.5A, 1.3MHz Synchronous Step-Down Converter END OF LIFE QFN14
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pMPS MP2205A — Synchronous Step-Down Converter END OF LIFE, 3-6V input, 2.5 A output, QFN14./p
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MP2205A 3-6V, 2.5A, 1.3MHz Synchronous Step-Down Converter END OF LIFE QFN14
The MPS MP2205A is a Synchronous Step-Down Converter END OF LIFE. It operates from a 3 V to 6 V input, is rated for 2.5 A and switches at 1.3 MHz. It is supplied in a QFN14 package.
The MP2205A is an internally compensated 1.3MHz fixed frequency PWM synchronous step-down regulator with a 3V to 6V bias supply (VCC).
Key Specifications
| Part Number | MP2205A |
| Function | Synchronous Step-Down Converter END OF LIFE |
| Input Voltage | 3 V to 6 V |
| Current Rating | 2.5 A |
| Switching Frequency | 1.3 MHz |
| Interface | PWM |
| Peak Efficiency | 95% |
| Package | QFN14 |
| Lifecycle | EOL |
| Ordering Codes | MP2205A |
Features
- 2.5A Output Current
- Input Supply Range: 3V to 16V
- 80mΩ Internal Power MOSFET Switches
- All Ceramic Output Capacitors Design
- Up to 95% Efficiency
- 1.3MHz Fixed Switching Frequency
- Adjustable Output from 0.8V to 0.9xVIN
- Internal Soft-Start
- Power Good Pin
- Frequency Synchronization Input
Typical Application Circuit
Applications
- µP/ASIC/DSP/FPGA Core and I/O Supplies
- Printers and LCD TVs
- Network and Telecom Equipment
- Point of Load Regulators "MPS" and "The Future of Analog IC Technology" are Trademarks of Monolithic Power Systems, Inc.
Design Notes
- Size the inductor for the ripple current at the actual switching frequency, typically 30% of the DC load — not for the DC rating alone.
- The hot loop from input capacitor through the switch to ground sets conducted EMI. Keep that copper area as small as the layout allows.
- Output ripple is set by the capacitor ESR and its DC-bias derating; a 10 µF ceramic often behaves like 4 µF at the rated output voltage.
- Route the feedback divider from the output capacitor terminals, away from the switch node.
Common Questions
What input voltage does the MP2205A support?
3 V to 6 V. The rated output is 2.5 A.
Which package and ordering codes apply to the MP2205A?
QFN14; order codes include MP2205A.
What are the defining features of the MP2205A?
2.5A Output Current Input Supply Range: 3V to 16V
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