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Monolithic Power Systems MP38115
Ultra Low Voltage, 4A, 5.5V Synchronous Step-Down Switching Regulator
Overview
| Topology | Buck Converter |
| Input voltage | 1.1-5.5 V |
| Switching frequency | 1200-1800 kHz |
| Output 1 | 1.5 V |
| Output 2 | 4.95 V / 4 A |
| Output 3 | 1.8 V |
| Output 4 | 1.2 V |
| Output 5 | 3.3 V |
| Output 6 | 2.5 V |
| IC revision | 0.92 |
Description
The MP38115 is an internally compensated 1.5MHz fixed frequency PWM synchronous step-down regulator. MP38115 operates from a 1.1V to 5.5V input and generates an output voltage as low as 0.8V.The MP38115 integrates a 60mΩ high-side switch and a 60mΩ synchronous rectifier for high efficiency without an external Schottky diode. With peak current mode control and internal compensation, the MP38115 basedsolution delivers a very compact footprint with a minimum component count.The MP38115 is available in a small 3mm x 3mm 10-lead QFN package.
Features
- 4A Output Current
- Input Operation Range: 1.1V to 5.5V
- 60mΩ Internal Power MOSFET Switches
- All Ceramic Capacitor Design
- Up to 95% Efficiency
- 1.5MHz Fixed Switching Frequency
- Adjustable Output from 0.8V to 0.9xVIN
- Internal Soft-Start
- Frequency Synchronization Input
- Power Good Output
- Cycle-by-Cycle Current Limiting
- Hiccup Short Circuit Protection
- Thermal Shutdown
- 3mm x 3mm 10-lead QFN Package
Typical applications
- Printers
- Network Equipment
- µP/ASIC/DSP/FPGA Core and I/O Supplies
- Telecom Equipment
- Point of Load Regulators
- LCD TVs
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744310055 | 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 | 0.52 | 19.2 | 8.5 | 20 | 3.7 | 140 | Superflux | ||
| 744310095 | 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 | 0.95 | 14.4 | 5 | 13 | 6.2 | 90 | Superflux |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744310055 | 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. | |
| 744310095 | 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 |
|---|