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ROHM BD9A400MUV
2.7V to 5.5V Input, 4A Integrated MOSFET Single Synchronous Buck DC/DC Converter BD9A400MUV
Overview
| Topology | Buck Converter |
| Input voltage | 4.71-5.5 V |
| Switching frequency | 800-1200 kHz |
| Output 1 | 3.3 V / 4 A |
| IC revision | 004 |
Description
BD9A400MUV is a synchronous buck switching regulator with built-in low on-resistance power MOSFETs. It is capable of providing current up to 4A.The SLLMTM control provides excellent efficiency characteristics in light-load conditions which make the product ideal for equipment and devices that demand minimal standby power consumption. The oscillating frequency is high at 1MHz using a small value of inductance. It is a current mode control DC/DC converter and features high-speed transient response. Phase compensation can also be set easily
Features
- Synchronous Single DC/DC Converter.
- SLLMTM (Simple Light Load Mode) Control.
- Over Current Protection.
- Short Circuit Protection.
- Thermal Shutdown Protection.
- Under Voltage Lockout Protection.
- Adjustable Soft start Function.
- Power Good Output.
- VQFN016V3030 Package (Backside HeatDissipation)
Typical applications
- Step-Down Power Supply for DSPs, FPGAs, Microprocessors, etc./ Distributed Power Supply, Secondary Power Supply
- Laptop PCs/ Tablet PCs/ Servers/ LCD TVs/ Storage Devices (HDDs/SSDs)
- Printers, OA Equipment/ Entertainment Devices
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-LHMI SMT Power Inductor, 1.5 µH, 7.8 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LHMI SMT Power Inductor | Inductance1.5 µH | Performance Rated Current7.8 A | Saturation Current @ 10%7.7 A | Saturation Current @ 30%14.2 A | DC Resistance25 mΩ | Self Resonant Frequency45 MHz | MountSMT |