BD9D300MUV
4.0V～17V 3A 內建MOSFET 1ch同步整流降壓DC/DC轉換器
BD9D300MUV是一款同步整流降壓型開關穩壓器，內建了低導通電阻的功率MOSFET。可以輸出高達3A的電流。因為振盪頻率高，所以可以使用小型電感。採用獨有的導通時間控制方法，可在輕載條件下實現低功耗，適用於需要降低待機功耗的設備。
本產品不建議使用的車載設備。
Product Detail
規格:
Grade
Standard
ch
1
Integrated FET / Controller
Integrated FET
Topology
Buck
Synchronous / Nonsynchronous
Synchronous
Vin1(Min.)[V]
4.0
Vin1(Max.)[V]
17.0
Vout1(Min.)[V]
0.9
Vout1(Max.)[V]
5.25
Iout1(Max.)[A]
3.0
SW frequency(Max.)[MHz]
1.25
Light Load mode
Yes
EN
Yes
PGOOD
Yes
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
Package Size [mm]
3x3 (t=1)
功能:
- Single Synchronous Buck DC/DC Converter
- On-time Control
- Light Load Mode Control
- Over Current Protection (OCP)
- Short Circuit Protection (SCP)
- Thermal Shutdown Protection (TSD)
- Under Voltage Lockout Protection (UVLO)
- Adjustable Soft Start
- Power Good Output
- Over Voltage Protection (OVP)
- VQFN016V3030 Package Backside Heat Dissipation
Evaluation
Board
-
- Evaluation Board
- BD9D300MUV-EVK-001
BD9D300MUV-EVK-001 Evaluation board delivers an output 5.0 volts from an input 7.4 to 15 volts using BD9D300MUV, a synchronous rectification step-down DC/DC converter integrated circuit. It has original on-time control system which can operate low power consumption in light load condition.
Design Resources
Documents
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
- PCB Layout Techniques of Buck Converter
- 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
- 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
- Notes for Temperature Measurement Using Thermocouples
- Two-Resistor Model for Thermal Simulation
- Notes for Temperature Measurement Using Forward Voltage of PN Junction
- Thermal Resistance
- Precautions When Measuring the Rear of the Package with a Thermocouple
Tools
2D/3D/CAD
- VQFN016V3030 Footprint / Symbol
- VQFN016V3030 3D STEP Data