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ISL78233AARZ 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 3A 16WFQFN. Review the specifications below when checking this part for your BOM.
Voltage Regulators - DC DC Switching Regulators specifications for ISL78233AARZ
- Description：IC REG BUCK ADJ 3A 16WFQFN
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tube
- 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：3A
- 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 ISL78233AARZ
Voltage Regulators - DC DC Switching Regulators Overview
The ISL78233AARZ 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 3 A of output current. The device integrates high-side and low-side power MOSFETs in a TQFN-EP-16 package. It supports a fixed switching frequency of 2 MHz and functions reliably across an extended temperature range from -40°C to +125°C.
Voltage Regulators - DC DC Switching Regulators Feature Summary
- Automotive qualification for reliable operation in vehicle environments
- Integrated synchronous rectification with internal power switches
- Fixed 2 MHz switching frequency for compact passive component sizing
Voltage Regulators - DC DC Switching Regulators Applications
- Automotive infotainment systems
- Telematics control units
- ADAS sensor power supplies
Voltage Regulators - DC DC Switching Regulators Procurement Notes
Verify the specific suffix 'AA' against official Renesas documentation, as standard listings typically reference 'ARZ'. Confirm RoHS compliance status and moisture sensitivity level (MSL) ratings prior to procurement. Ensure the ordering part number matches the exact tape-and-reel or tube packaging requirements specified in the manufacturer's datasheet.
Voltage Regulators - DC DC Switching Regulators Selection Notes
Select this component when designing automotive DC-DC conversion circuits requiring high efficiency and small footprint. The 2 MHz frequency allows for smaller inductors and capacitors compared to lower-frequency alternatives. Verify that the thermal performance of the TQFN-EP-16 package meets the PCB layout requirements for the expected load conditions.
Voltage Regulators - DC DC Switching Regulators Part Context
This part belongs to the ISL78233 series of highly efficient monolithic switching regulators. It is designed specifically for automotive applications where reliability and wide operating temperature ranges are critical. The series complements Renesas' broader portfolio of power management integrated circuits for vehicle electronics.
Voltage Regulators - DC DC Switching Regulators Replacement Considerations
Consult official substitution guides for equivalent automotive buck regulators. Verify pin compatibility and electrical specifications before replacing with other manufacturers' parts.
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