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ISL78234ARZ is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Renesas Electronics Corporation. Its product description is IC REG BUCK ADJ 4A 16TQFN. Review the specifications below when checking this part for your BOM.
Voltage Regulators - DC DC Switching Regulators specifications for ISL78234ARZ
- Description：IC REG BUCK ADJ 4A 16TQFN
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tray
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：2.7V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：0.6V
- Voltage - Output (Max)：5.5V
- Current - Output：4A
- Frequency - Switching：420kHz ~ 4.2MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-WFQFN Exposed Pad
- Supplier Device Package：16-TQFN (3x3)
- Grade：Automotive
- Qualification：AEC-Q100
Voltage Regulators - DC DC Switching Regulators datasheet and documents for ISL78234ARZ
Voltage Regulators - DC DC Switching Regulators Overview
The ISL78234ARZ is an automotive-grade synchronous buck regulator manufactured by Renesas Electronics. It operates within a 2.7 V to 5.5 V input voltage range and delivers up to 4 A of output current. The device features a fixed switching frequency of 2 MHz and supports a single output configuration. It functions reliably across an extended temperature range from -40°C to +125°C. Packaged in a TQFN-EP-16 surface-mount format, it includes shutdown functionality and exhibits a quiescent current of 19 mA.
Voltage Regulators - DC DC Switching Regulators Feature Summary
- Automotive qualification for high-reliability vehicle applications
- Monolithic synchronous buck topology for compact design
- Integrated shutdown control for power management
Voltage Regulators - DC DC Switching Regulators Applications
- Automotive electronic control units (ECUs)
- Vehicle sensor power supplies
- Actuator driver circuits
Voltage Regulators - DC DC Switching Regulators Procurement Notes
Verify the specific suffix 'ARZ' against the manufacturer's official datasheet to confirm package type and RoHS compliance status. Ensure the procurement channel provides valid traceability documentation required for automotive components. Confirm that the delivered units match the specified TQFN-EP-16 footprint and electrical ratings before integration into production designs.
Voltage Regulators - DC DC Switching Regulators Selection Notes
Select this component when designing power stages for automotive systems requiring a 4 A synchronous buck solution with a 2 MHz switching frequency. It is suitable for applications needing operation up to 125°C junction temperature. Consider the TQFN-EP-16 package for thermal performance and board space constraints compared to larger packages.
Voltage Regulators - DC DC Switching Regulators Part Context
This part belongs to the ISL78234 series of highly efficient monolithic switching regulators. It is designed specifically for automotive environments, offering robust performance under varying load and temperature conditions. The series complements other Renesas power management ICs used in modern vehicle architectures.
Voltage Regulators - DC DC Switching Regulators Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult the manufacturer's official documentation or authorized distributors for validated cross-reference information.
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