ISL8025IRTAZT7AR5194

Voltage Regulators - DC DC Switching Regulators Overview

The ISL8025IRTAZT7AR5194 is a synchronous buck regulator from the Renesas ISL8025 series, packaged in a TQFN-EP-16. It delivers 5A continuous output current with an input voltage range of 2.7V to 5.5V and adjustable output from 600mV to 5.5V. The device operates at a switching frequency up to 4MHz, features low ON-resistance FETs (36mΩ P-channel, 13mΩ N-channel), and includes shutdown functionality with a quiescent current of 50uA across a -40°C to +85°C temperature range.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates low ON-resistance P-channel high-side and N-channel low-side FETs for high efficiency
• Supports adjustable switching frequency from 500kHz to 4MHz with external synchronization capability
• Includes internal hiccup mode current limiting, overvoltage, and overtemperature protection

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronics requiring efficient step-down conversion
• Industrial control systems needing stable power regulation
• Communication equipment utilizing single-output DC/DC conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'T7AR5194' against official Renesas documentation to confirm tape-and-reel packaging and lot-specific markings. Ensure compatibility with standard SMD/SMT assembly processes and check moisture sensitivity levels before handling. Confirm RoHS compliance status through the manufacturer's latest product change notifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact synchronous buck solution is required for inputs up to 5.5V. The adjustable frequency allows optimization for size versus efficiency trade-offs. Consider the thermal performance of the TQFN-EP-16 package for high-current applications and verify that the 5A output rating meets the load requirements without exceeding junction temperature limits.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL8025 family of highly efficient monolithic synchronous step-down DC/DC converters. The series is designed for applications demanding fast transient response and excellent loop stability. It utilizes current mode control architecture to minimize external component count while maintaining precise voltage regulation under varying load conditions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The datasheet indicates pin-to-pin compatibility with the ISL8023 and ISL8024 models. Verify electrical specifications such as output current and switching frequency when substituting these parts to ensure functional equivalence in the target circuit design.