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MP28369 4.75-16V, 2A, 1.4MHz Step-Down Converter MSOP10
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pMPS MP28369 — Step-Down Converter, 4.75-16V input, 2 A output, MSOP10./p
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MP28369 4.75-16V, 2A, 1.4MHz Step-Down Converter MSOP10
The MPS MP28369 is a Step-Down Converter. It operates from a 4.75 V to 16 V input, is rated for 2 A and switches at 1.4 MHz. It is supplied in a MSOP10 package.
The MP28369 is a monolithic step-down switch mode converter with a built-in internal power MOSFET.
Key Specifications
| Part Number | MP28369 |
| Function | Step-Down Converter |
| Input Voltage | 4.75 V to 16 V |
| Current Rating | 2 A |
| Switching Frequency | 1.4 MHz |
| Peak Efficiency | 90% |
| Package | MSOP10 |
| Ordering Codes | MP28369 |
Features
- 2A Output Current
- 0.18Ω Internal Power MOSFET Switch
- Stable with Low ESR Output Ceramic Capacitors
- 90% Efficiency
- 25µA Shutdown Mode
- Fixed 1.4MHz Frequency
- Thermal Shutdown
- Cycle-by-Cycle Over Current Protection
- Wide 4.75V to 16V Operating Input Range
- Output Adjustable from 0.92V to 16V
Typical Application Circuit
Applications
- Distributed Power Systems
- Battery Charger
- DSL Modems
- Pre-Regulator for Linear 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 MP28369 support?
4.75 V to 16 V. The rated output is 2 A.
Which package and ordering codes apply to the MP28369?
MSOP10; order codes include MP28369.
What are the defining features of the MP28369?
2A Output Current 0.18Ω Internal Power MOSFET Switch
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