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Monolithic Power Systems MP28248
High-Efficiency, Fast-Transient, 3A, 4.2V-20V Input Synchronous Step-down Converter in a QFN12 (2x3mm) Package
Overview
| Topology | Buck Converter |
| Input voltage | 4.2-20 V |
| Output 1 | 1.2 V / 3 A |
| IC revision | 1.0 |
Description
The MP28248 is a fully-integrated, highefficiency, synchronous, step-down, switch mode converter. It offers a very compact solution that can achieve a 3A continuous output current over a wide input supply range with excellent load and line regulation. The MP28248 operates at high efficiency over awide output-current load range.
Constant-On-Time control mode provides fast transient response and eases loop stabilization.
Full protective features include short-circuit protection, over-current protection, over-voltage protection, under-voltage protection, and thermal shutdown.
The MP28248 requires a minimal number of readily-available standard external components.
This device is available in a space-saving 2mmx3mm 12-pin QFN package.
Features
- Wide 4.2V to 20V Operating Input Range
- 3A Output Current
- Low RDS(ON) Internal Power MOSFETs
- Proprietary Switching-Loss Reduction Technique
- Soft Startup/Shutdown
- Programmable Switching Frequency
- SCP, OCP, UVP, OVP, and ThermalShutdown
- Output Adjustable from 0.815V to 13V
- Available in a QFN12 (2mmx3mm) Package
Typical applications
- Distributed Power Systems
- Networking Systems
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7443552200 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 2 | 14.8 | 5 | 13 | 7.3 | 53 | WE-PERM |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7443552200 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Samples |
|---|