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NCV3020BDR2G
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Product Detailed Parameters
- Description：IC REG CTRLR BUCK 8SOIC
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：4.7V ~ 28V
- Frequency - Switching：600kHz
- Duty Cycle (Max)：80%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：-
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The onsemi NCV3020BDR2G is an automotive-grade, single-output step-down DC-DC switching controller IC designed for buck converter applications. It operates within a supply voltage range of 4.7 V to 28 V and supports a switching frequency of 600 kHz. The device features a fixed maximum duty cycle and integrates a transistor driver for external power switches. Packaged in an 8-pin SOIC surface-mount format, it is qualified under AEC-Q100 standards for reliability in demanding automotive environments.
Feature Summary
- Automotive-grade qualification ensuring robust performance in vehicle electronics
- Integrated buck topology controller for efficient step-down voltage regulation
- Fixed switching frequency operation simplifying external component selection
Applications
- Automotive infotainment system power distribution
- Electronic control unit (ECU) auxiliary power supplies
- Body control module voltage regulation
Procurement Notes
Verify the specific suffix 'D' indicates tape-and-reel packaging configuration. Confirm AEC-Q100 qualification status aligns with target automotive application requirements. Ensure input voltage specifications match the 4.7 V to 28 V operational range. Check for RoHS compliance documentation prior to integration.
Selection Notes
Select this component when a dedicated buck controller is required rather than an integrated regulator. The 600 kHz frequency offers a balance between efficiency and passive component size. Verify that the external MOSFET driver capabilities meet the load current demands, as this IC controls but does not directly switch high currents internally.
Part Context
This part belongs to the NCV3020 series of single-output DC-DC controllers. It shares functional similarities with other buck controllers in the portfolio but is distinguished by its specific automotive qualification and fixed frequency operation. The SOIC-8 package provides a compact footprint suitable for space-constrained automotive PCB layouts.
Replacement Considerations
Direct substitutes include the NCV3030BDR2G, which offers similar buck/boost capabilities but operates at a higher 2.4 MHz frequency. Designers must account for differences in switching frequency and control loop characteristics when transitioning between these variants.
