White Paper
User's Guide
- Evaluation Board User's Guide
- Evaluation Board Data
BD9C301FJ-LB(H2)
BD9C301FJ-LB(H2)
4,5 V bis 18 V Eingangsleistung, 3,0 A Integrierter MOSFET 1-Kanal Synchron-Invers-DC/DC-Wandler
Für das Produkt wird ein Langzeit-Support im industriellen Markt garantiert. BD9C301FJ ist ein synchroner Abwärtswandler mit integrierten Leistungs-MOSFETs mit niedrigem ON-Widerstand. Mit seinem weiten Eingangsspannungsbereich kann er Stromstärken bis zu 3 A bereitstellen. Der DC/DC-Wandler zur Steuerung des Strommodus zeichnet sich durch ein Hochgeschwindigkeitseinschwingverhalten aus. Auch die Phasenkompensation ist leicht einstellbar.
Produktdetails
Spezifikationen:
Grade
Industrial
ch
1
Integrated FET / Controller
Integrated FET
Topology
Buck
Synchronous / Nonsynchronous
Synchronous
Vin1(Min.)[V]
4.5
Vin1(Max.)[V]
18.0
Vout1(Min.)[V]
0.8
Vout1(Max.)[V]
12.6
Iout1(Max.)[A]
3.0
SW frequency(Max.)[MHz]
0.55
Light Load mode
No
EN
Yes
PGOOD
No
Operating Temperature (Min.)[°C]
Tj=-40
Operating Temperature (Max.)[°C]
Tj=125
Package Size [mm]
4.9x6 (t=1.65)
Eigenschaften:
· Produkt mit Langzeit-Support für industrielle Anwendungen· Synchroner DC/DC-Wandler mit 1 Kanal
· Überstromschutz
· Schutzfunktion für thermische Abschaltung
· Unterspannungsabschaltung
· Kurzschlussschutz
· Fixe Sanftanlauffunktion mit 1 ms
Evaluation
Board
-
- Evaluation Board
- BD9C301FJ-EVK-001
BD9C301FJ-EVK-001 Evaluation board delivers an output 3.3 volts from an input 4.5 to 18 volts using BD9C301FJ, a synchronous rectification stepdown DC/DC converter integrated circuit, with output current rating of maximum 3A. The output voltage can be set by changing the external parts of circuit and the loop-response characteristics also can be adjusted by the phase compensation circuit.
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Data Sheet
White Paper
User's Guide
- Evaluation Board User's Guide
- Evaluation Board Data
Application Note
Reference Design
Technische Artikel
Schematic Design & Verification
- Buck DC/DC Converter Recommended Inductor List
- 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
Design Tools
Models
- BD9C301FJ-LB(H2) SPICE Model
- Unencrypted SPICE Model (Inquiry Form)
2D/3D/CAD
- SOP-J8 Footprint / Symbol
- SOP-J8 3D STEP Data