BD9S200MUF-C
BD9S200MUF-C
車電用2.7V～5.5V 輸入 2A MOSFET內建 1ch同步整流 降壓 DC/DC轉換器
BD9S200MUF-C是內建低導通電阻的功率MOSFET的同步整流降壓型DC/DC轉換器。最大可輸出2A的電流。憑藉SLLM™控制，實現輕載狀態的良好效率特性，適用於降低設備的待機功耗。具有2.2MHz高速開關頻率，適用於小型電感。具有基於電流模式控制的高速瞬態回應性能，可輕鬆設定相位補償。還可與外部脈衝同步。
Product Detail
功能安全:
類別 : FS supportive
A product that has been developed for automotive use and is capable of supporting safety analysis with regard to the functional safety.
規格:
Grade
Automotive
Common Standard
AEC-Q100 (Automotive Grade)
ch
1
Integrated FET / Controller
Integrated FET
Topology
Buck
Synchronous / Nonsynchronous
Synchronous
Vin1(Min.)[V]
2.7
Vin1(Max.)[V]
5.5
Vout1(Min.)[V]
0.8
Vout1(Max.)[V]
4.4
Iout1(Max.)[A]
2.0
SW frequency(Max.)[MHz]
2.2
Light Load mode
Yes
EN
Yes
PGOOD
Yes
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
125
Package Size [mm]
3x3 (t=1)
功能:
- SLLM™ (Simple Light Load Mode) Control
- AEC-Q100 Qualified(Grade 1)
- Single Synchronous Buck DC/DC Converter
- Adjustable Soft Start Function
- Power Good Output
- Input Under Voltage Lockout Protection
- Short Circuit Protection
- Output Over Voltage Protection
- Over Current Protection
- Thermal Shutdown Protection
- Wettable Flank QFN Package
Evaluation
Board
-
- Evaluation Board
- BD9S200MUF-TSB-001
This is an evaluation board for ROHM’s single Synchronous buck DC/DC converter BD9S200MUF-C. The BD9S200MUF-C accepts a power supply input range of 2.7V to 5.5V and generates a maximum output current of 2A. The SLLM™ control provides excellent efficiency characteristics in light-load conditions which make the product ideal for reducing standby power consumption of equipment.
Design Resources
Documents
Data Sheet
White Paper
User's Guide
Technical Articles
Schematic Design & Verification
- Calculation of Power Dissipation in Switching Circuit
- Considering Input Filter to Reduce Conducted Emissions by DCDC Converter
- Considering Polarity of Power Inductor to Reduce Radiated Emission of DC-DC converter
- Method for Monitoring Switching Waveform
- Phase Compensation Design for Current Mode Buck Converter
- Bootstrap Circuit in the Buck Converter
- Method for Determining Constants of Peripheral Parts of Buck DC/DC Converter
- Power Supply Sequence Circuit with General Purpose Power Supply IC
- Suppression Method of Switching Noise Using Linear Regulator and Low Pass Filter
- PCB Layout Techniques of Buck Converter
- Measurement Method for Phase Margin with Frequency Response Analyzer (FRA)
- Usage of SPICE Macromodel for DC/DC
- Snubber Circuit for Buck Converter IC
- Efficiency of Buck Converter
- Calculation of Power Loss (Synchronous)
- Inductor Calculation for Buck converter IC
- Considerations for Power Inductors Used for Buck Converters
- Capacitor Calculation for Buck converter IC
- The Important Points of Multi-layer Ceramic Capacitor Used in Buck Converter circuit
- Resistor Value Table to set Output Voltage of Buck Converter IC
- Importance of Probe Calibration When Measuring Power: Deskew
- Impedance Characteristics of Bypass Capacitor
Thermal Design
- What Is Thermal Design
- Basics of Thermal Resistance and Heat Dissipation
- Method for Calculating Junction Temperature from Transient Thermal Resistance Data
- Two-Resistor Model for Thermal Simulation
- Notes for Temperature Measurement Using Thermocouples
- Notes for Temperature Measurement Using Forward Voltage of PN Junction
- Thermal Resistance
- Precautions When Measuring the Rear of the Package with a Thermocouple
Tools
Simulations (Login Required)
「ROHM Solution Simulator」是一款能在ROHM官網上運行的電子電路模擬工具。從零件選擇和元件單體驗證等研發初期階段到系統級的驗證階段，各項模擬工作都可以在Web上執行。ROHM提供的SiC元件等功率元件產品、驅動IC和電源IC等IC產品，都可以在接近實際環境的解決方案電路中輕易地進行驗證，大幅縮短研發週期。
- BD9S200MUF / Frequency Domain
Models
- Unencrypted SPICE Model (Inquiry Form)
- BD9S200MUF-C SPICE Model
2D/3D/CAD
- BD9S200MUF-C Footprint / Symbol
- VQFN16FV3030 Footprint / Symbol
- VQFN16FV3030 3D STEP Data