BQ71525DCKRG4

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The BQ71525DCKRG4 is a low-dropout linear regulator manufactured by Texas Instruments. It provides a fixed 2.5 V output with a maximum load current of 50 mA. The device supports an input voltage range from 2.5 V to 24 V and operates within a temperature range of -40°C to +125°C. Key electrical specifications include a quiescent current of 3.2 µA, a typical dropout voltage of 415 mV at full load, and a maximum dropout voltage of 750 mV. Line regulation is specified at 20 mV, while load regulation is 22 mV. The component is housed in a SC-70-5 surface-mount package.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Provides a fixed 2.5 V regulated output suitable for precision analog circuits
• Supports high input voltages up to 24 V for flexible power supply designs
• Features ultra-low quiescent current for extended battery life in portable devices

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Battery-powered portable electronic equipment
• Precision sensor signal conditioning circuits
• Microcontroller power supply rails

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the part number suffix G4 against the manufacturer's latest documentation to confirm RoHS compliance status and specific manufacturing lot details. Confirm that the SC-70-5 package dimensions match your PCB footprint requirements. Ensure the input voltage does not exceed the absolute maximum ratings defined in the official datasheet to prevent device damage.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a stable 2.5 V rail is required from higher voltage sources such as single-cell lithium batteries or unregulated supplies. The low quiescent current makes it appropriate for always-on applications where standby power consumption must be minimized. Verify that the thermal dissipation capabilities of the SC-70-5 package are sufficient for the expected load current and ambient temperature conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This device belongs to the BQ715 series of low-dropout regulators designed for high-input voltage applications. Unlike standard LDOs limited to lower input ranges, this series accommodates inputs up to 24 V. The DCKR package variant indicates a specific tape-and-reel configuration for automated assembly processes, ensuring consistent handling during surface-mount placement.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

The TPS71525DCKRG4 is a documented equivalent offering identical 2.5 V output and 50 mA capability within the same family. Verify pin compatibility and thermal performance before substitution.