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Product Detailed Parameters
- Description：IC REG BUCK ADJ 3A VQFN24FV4040
- Series：Nano Pulse Control™
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：3.5V
- Voltage - Input (Max)：40V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：8.5V
- Current - Output：3A
- Frequency - Switching：440kHz, 2.2MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：24-VFQFN Exposed Pad
- Supplier Device Package：VQFN24FV4040
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The BD9P308MUF-CE2 is a synchronous buck DC/DC converter from ROHM Semiconductor, designed for automotive and consumer electronics. It features an input voltage range of 3.5 V to 40 V and delivers up to 3.0 A output current. The adjustable output voltage spans from 0.8 V to 8.5 V. Operating at a switching frequency of 2.2 MHz, the device utilizes Nano Pulse Control technology. It operates within a temperature range of -40°C to +125°C and is housed in a VQFNFV4040-EP-24 package.
Feature Summary
- Integrates power MOSFETs with current-mode control for high efficiency across load ranges.
- Supports external clock synchronization for noise reduction in sensitive systems.
- Includes built-in protection mechanisms such as thermal shutdown and overcurrent protection.
Applications
- Automotive infotainment system power supplies
- ADAS (Advanced Driver Assistance Systems) power distribution
- Consumer electronic device main power regulation
Procurement Notes
Verify the complete part number including suffixes against official ROHM documentation to ensure correct packaging and tape specifications. Confirm that the required functional safety support level aligns with your system design requirements before finalizing procurement orders.
Selection Notes
Select this component when a wide input voltage range up to 40 V is required alongside high current capability. The integrated MOSFET design simplifies layout compared to discrete solutions. Ensure compatibility with the VQFNFV4040-EP-24 footprint during PCB design phase.
Part Context
This model belongs to ROHM's Nano Pulse Control series, optimized for automotive applications requiring high reliability. It complements other PMIC offerings by providing robust step-down conversion capabilities suitable for harsh environmental conditions typical in vehicle architectures.
Replacement Considerations
Consult official substitution lists for equivalent performance. Cross-reference pinouts and thermal characteristics if considering alternative manufacturers' parts to ensure mechanical and electrical compatibility.
