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ISL78234AARZ-T7A 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 16WFQFN. Review the specifications below when checking this part for your BOM.
Voltage Regulators - DC DC Switching Regulators specifications for ISL78234AARZ-T7A
- Description：IC REG BUCK ADJ 4A 16WFQFN
- Series：-
- Mfr：Renesas Electronics Corporation
- 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)：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-VQFN Exposed Pad
- Supplier Device Package：16-WFQFN (5x5)
- Grade：Automotive
- Qualification：AEC-Q100
Voltage Regulators - DC DC Switching Regulators datasheet and documents for ISL78234AARZ-T7A
Voltage Regulators - DC DC Switching Regulators Overview
The ISL78234AARZ-T7A is an automotive-grade, monolithic synchronous buck regulator from the Renesas ISL78234 series. It integrates high-side and low-side power MOSFETs to deliver a regulated output current of up to 4 A. The device operates with an input voltage range of 2.7 V to 5.5 V and supports a fixed switching frequency of 2 MHz. Designed for compact applications, it utilizes a TQFN-EP-16 package and functions within an extended temperature range of -40°C to +125°C.
Voltage Regulators - DC DC Switching Regulators Feature Summary
- Integrated monolithic synchronous buck topology with internal power switches
- Automotive qualification compliant with AEC-Q100 Grade 2 standards
- High switching frequency operation enabling reduced external component size
Voltage Regulators - DC DC Switching Regulators Applications
- Automotive infotainment systems
- Advanced driver assistance systems (ADAS)
- Vehicle body control modules
Voltage Regulators - DC DC Switching Regulators Procurement Notes
Verify the specific suffix 'T7A' against official datasheets to confirm reel packaging specifications. Ensure the 'AA' designation aligns with required temperature or grade variants. Confirm RoHS compliance status through manufacturer documentation prior to integration.
Voltage Regulators - DC DC Switching Regulators Selection Notes
Select this component when a compact, high-efficiency solution is required for 5V automotive bus architectures. The integrated design minimizes board space compared to discrete controller solutions. Verify that the 4 A continuous load requirement fits within the thermal constraints of the TQFN-EP-16 package.
Voltage Regulators - DC DC Switching Regulators Part Context
This part belongs to the ISL78234 family of highly efficient, monolithic synchronous buck regulators. The series is engineered specifically for automotive environments, offering robust performance in noise-sensitive applications while maintaining small form factors suitable for modern vehicle electronics.
Voltage Regulators - DC DC Switching Regulators Replacement Considerations
Consult official substitution guides for equivalent Renesas automotive buck regulators. Verify pin compatibility and electrical parameters before replacing.
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