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Overview
| Topology | Buck Converter |
| Input voltage | 4.6-13.2 V |
| Switching frequency | 400-600 kHz |
| Output 1 | 3.3 V / 2 A |
| IC revision | 004 |
Description
The BD9141MUV is ROHM’s high efficiencystep-down switching regulator designed to produce alow voltage including 5.0V/3.3V from 2 lithium cellpower supply line. It offers high efficiency by usingpulse skip control technology and synchronousswitches, and provides fast transient response tosudden load changes by implementing current modecontrol.
Features
- Fast Transient Response because of Current ModePWM Control System
- High Efficiency for All Load Ranges because ofSynchronous Rectifier (Nch/Pch FET) and SLLMTM(Simple Light Load Mode)
- Soft-Start Function
- Thermal Shutdown and UVLO Functions
- Short-Circuit Protection with Time Delay Function
- Shutdown Function
Typical applications
- Power Supply for LSI including DSP, Microcomputer and ASIC
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 74437336047 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN 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-LHMI SMT Power Inductor | 4.7 | 4.35 | 3.85 | 7.6 | 53 | 25 | SMT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 74437336047 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN 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 max. (mΩ) | fres (MHz) | Mount | Samples |
|---|