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Overview
| Topology | Buck Converter |
| Input voltage | 9-21 V |
| Output 1 | 3.3 V / 8 A |
| IC revision | 1.1 |
Description
The MP38874 is a monolithic step-down switch mode converter with a built in internal power MOSFET. It achieves 8A continuous output current over a wide input supply range with excellent load and line regulation.Current mode operation provides fast transient response and eases loop stabilization.Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown.The MP38874 requires a minimum number of readily available standard external components and is available in a space saving 3mm x 4mm 14-pin QFN package.
Features
- Wide 4.5V to 21V Operating Input Range
- 8A Continuous Output Current
- 42mΩ Internal Power MOSFET Switch
- Power Good Indicator
- Synchronous Gate Driver Delivers up to 95% Efficiency
- Fixed 600KHz Frequency
- Synchronizable to >1MHz External Clock
- Cycle-by-Cycle Over Current Protection
- Thermal Shutdown
- Output Adjustable from 0.8V to 15V
- Stable with Low ESR Output Ceramic Capacitors
- Available in a 3mm x 4mm 14-Pin QFN Package
Typical applications
- Flat Panel Television and Monitors
- Digital Set Top Boxes
- Point of Load Regulator in Distributed Power System
- Broadband Communications
- Personal Video Recorders
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 |
|---|