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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 | 9 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 |
| 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 |
|---|
