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Monolithic Power Systems MP9442 | Demoboard EV9442-J-00A
High Efficiency 2A, 36V, 600kHz Synchronous Step-Down Converter with Power Good
Overview
| Topology | Buck Converter |
| Input voltage | 12 V |
| Output 1 | 3.3 V / 2 A |
| IC revision | 1.0 |
Description
The MP9442 is a high-frequency, synchronous, rectified, step-down, switch-mode converter with built-in power MOSFETs. It offers a very compact solution to achieve a 2A continuous output current with excellent load and line regulation over a wide input supply range. The MP9442 has synchronous mode operation for higher efficiency over the output current load range
Features
- Wide 4V to 36V Continuous Operating Input Range
- 90mΩ/55mΩ Low RDS(ON) Internal Power MOSFETs
- High-Efficiency Synchronous Mode Operation
- 600kHz Switching Frequency
- Synchronizes from 200kHz to 2.2MHz External Clock
- High Duty Cycle for Automotive Cold-crank
- Internal Power-Save Mode
- Internal Soft-Start
- Power Good Indicator
- Over-Current Protection with Hiccup
- Thermal Shutdown
- Output Adjustable from 0.8V
- Available in an 8-pin TSOT-23 package
Typical applications
- •Automotive
- •Distributed Power Systems
- •Industrial Control System
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744314101 | SPEC | 8 files | WE-HCI SMT Flat Wire High Current Inductor | 10 | 5.3 | 1.8 | 4 | 33 | 40 | Superflux |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Samples |
|---|