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Monolithic Power Systems MP24943
3A, 55V, 100kHz Step-Down Converter with Programmable Output OVP Threshold
Overview
| Topology | Buck Converter |
| Input voltage | 8-55 V |
| Switching frequency | 70-140 kHz |
| Output 1 | 5 V / 3 A |
| IC revision | 1.0 |
Description
The MP24943 is a monolithic, step-down, switch-mode converter. It supplies 3A of continuous output current over a wide inputsupply range with excellent load and line regulation.
MP24943 achieves low EMI signature with wellcontrolled switching edges.
Fault condition protection includes programmable-output over-voltage protection, cycle-by-cycle current limit, and thermal shutdown.
MP24943 requires a minimal number of readilyavailable standard external components. It is available in SOIC8 and SOIC8E package.
Features
- Wide 4.5V to 55V Operating Input Range
- Programmable Output Over-Voltage Protection
- Output Adjustable from 0.8V to 45V
- 0.15Ω Internal Power MOSFET Switch
- Stable with Low ESR Output Ceramic Capacitors
- Fixed 100kHz Frequency
- Low EMI Signature
- Thermal Shutdown
- Cycle-by-Cycle Over-Current Protection
- Available in SOIC8 and SOIC8E Packages
Typical applications
- Automotive GPS
- Power Supply for Linear Chargers
- Automotive Entertainment
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | ISAT,10% (A) | ISAT,30% (A) | IR,40K (A) | IRP,40K (A) | RDC max. (mΩ) | fres (MHz) | Size | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7447709330 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | 33 | 5.5 | 6.8 | 4.2 | 5.5 | 45 | 8.5 | 1210 | Standard |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7447709330 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | ISAT,10% (A) | ISAT,30% (A) | IR,40K (A) | IRP,40K (A) | RDC max. (mΩ) | fres (MHz) | Size | Version | Samples |
|---|