RAA2112334GP3#JA0

Voltage Regulators - DC DC Switching Regulators Overview

The RAA2112334GP3#JA0 is a synchronous buck regulator from the RAA211233 series, manufactured by Renesas Electronics Corporation. It operates with an input voltage range of 4.5V to 24V and delivers up to 3A output current. The device utilizes Current Mode Constant On-Time (COT) control with a typical switching frequency of 1.4MHz. It features integrated high-side (85mΩ) and low-side (45mΩ) MOSFETs within a compact 6-lead TSOT23 package. Key electrical parameters include a 400μA quiescent current, a minimum on-time of 66ns, and a minimum off-time of 250ns. The internal reference voltage is 0.6V with 2% accuracy.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side power MOSFETs for a compact solution
• Employs Current Mode Constant On-Time (COT) control architecture
• Supports Pulse Frequency Modulation (PFM) mode under light-load conditions
• Includes comprehensive protection mechanisms such as UVLO, LSOC limit, OTP, and OUVP with Hiccup Mode

Voltage Regulators - DC DC Switching Regulators Applications

• Micro BLDC servo drives
• Turntable systems
• Smart solar auto-adjustment and cleaning systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official Renesas documentation to confirm pinout and thermal characteristics. Ensure the ordering part number matches the exact package variant required for your PCB layout. Cross-reference the datasheet revision date to validate compliance with current RoHS standards and material declarations before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 24V input rail and 3A continuous current capability are required in a small footprint. The 1.4MHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the COT control stability requirements and ensure adequate thermal management for the TSOT23 package under maximum load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the RAA211233 family of integrated synchronous buck regulators designed for space-constrained applications. It shares architectural similarities with other members like the RAA211230 but offers distinct switching frequency and output voltage range specifications. The series targets efficient power conversion for portable and industrial electronics requiring robust performance in minimal board area.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data.