RT9025-18GSP

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

The RT9025-18GSP is a fixed-output linear regulator manufactured by Richtek USA Inc. It provides a stable 1.8V output voltage with a maximum load current capability of 150mA. The device operates within an input voltage range of 2.2V to 5.5V and features a low dropout characteristic, specified as 0.2V at the full 150mA load. Quiescent current consumption is maintained at 50µA during operation. The component supports surface-mount installation in a compact SC-70-5 package and is rated for an operating temperature range from -40°C to +85°C.

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

• Provides a fixed 1.8V regulated output suitable for low-voltage digital circuits
• Features ultra-low quiescent current to extend battery life in portable applications
• Includes built-in thermal shutdown and current limiting protection mechanisms

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

• Portable consumer electronics requiring efficient power regulation
• Battery-powered devices needing low standby current consumption
• Embedded systems utilizing low-voltage logic components

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

Verify the specific suffix GSP against official documentation to confirm the exact packaging configuration and reel specifications. Ensure compatibility with standard surface-mount assembly processes. Confirm that the fixed 1.8V output aligns precisely with the target circuit requirements before finalizing procurement orders.

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

Select this component when a fixed 1.8V rail is required with minimal external component count. The SC-70-5 package offers space efficiency for dense layouts. Consider the 150mA current limit and 50µA quiescent current when evaluating system power budgets and thermal constraints relative to alternative regulators.

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

This part belongs to the RT9025 series of low-dropout linear regulators produced by Richtek Technology Corporation. The series is designed for applications demanding high power supply rejection and fast transient response. The RT9025-18GSP specifically denotes the version with a fixed 1.8V output voltage and SOP/SC-70-5 packaging options.

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

Consult official cross-reference lists or datasheets for verified substitutes. Ensure replacement parts match the 1.8V output, 150mA current rating, and SC-70-5 footprint without requiring board redesign.