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ROHM BD9A300MUV | Demoboard BD9A300MUV
2.7V to 5.5V Input, Integrated 3A MOSFET 1ch Synchronous Buck DC/DC Converter
Overview
| Topology | Buck Converter |
| Input voltage | 4.71-5.5 V |
| Output 1 | 3.3 V / 3 A |
Description
BD9A300MUV is a synchronous buck switching regulator with built-in low On-resistance power MOSFETs. It is capable of providing current up to 3A. The SLLM™ 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
- SLLM (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 Heat Dissipation)
Typical applications
- Step-down Power Supply for DSPs, FPGAs, Microprocessors, etc.
- Distributed Power Supply, Secondary Power Supply
- LCD TVs / Entertainment Devices
- Laptop PCs/ Tablet PCs/ Servers / Storage Devices (HDDs/SSDs) / Printers, OA Equipment
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT (A) | RDC max. (mΩ) | fres (MHz) | Size | Version | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | Material | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 74477790015 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | 1.5 | 6.4 | – | 18 | 75 | 7345 | Robust | 7.3 | 9 | – | – | SMT | ||
 | 744310150 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 1.5 | 9.6 | – | 13.97 | 80 | 7030 | SMT | 4.75 | 12 | 12.7 | Superflux | SMT | ||
| 744311150 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 1.5 | 13.8 | – | 7.26 | 72 | 7040 | SMT | 4.5 | 14 | 6.6 | Superflux | SMT | ||
| 744314150 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 1.5 | 16.4 | – | 4.73 | 110 | 7050 | SMT | 4 | 11 | 4.3 | Superflux | SMT | ||
 | 74437346015 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LHMI SMT Power Inductor | 1.5 | 9.1 | – | 15 | 45 | 7030 | – | 11.2 | 27.6 | – | – | SMT | ||
| 74437349015 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LHMI SMT Power Inductor | 1.5 | 11.3 | – | 9 | 35 | 7050 | SMT | 9.7 | 18.7 | – | – | SMT | ||
| 7447783015 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | 1.5 | – | 7.8 | 15 | 73 | 7332 | Performance | – | – | – | – | SMT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 74477790015 | SPEC | |
| 744310150 | SPEC | |
| 744311150 | SPEC | |
| 744314150 | SPEC | |
| 74437346015 | SPEC | |
| 74437349015 | SPEC | |
| 7447783015 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT (A) | RDC max. (mΩ) | fres (MHz) | Size | Version | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | Material | Mount | Samples |
|---|
