CS5253B-1GDP5

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

The CS5253B-1GDP5 is a 3.0 A adjustable linear regulator (LDO) manufactured by onsemi. It features a very low dropout voltage, with VPOWER dropout less than 0.40 V and VCONTROL dropout less than 1.05 V at full load. The output voltage range is adjustable from 1.25 V to 5.0 V. Key electrical specifications include a 1.0% trimmed reference for accuracy, thermal shutdown protection, current limit, and short circuit protection. The device supports remote voltage sensing and offers fast transient response capabilities.

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

• Very low dropout performance reduces total power dissipation in the application
• Internal pass transistor powered separately from control circuitry for improved efficiency
• Integrated thermal shutdown, current limit, and short circuit protection
• Supports remote voltage sensing and single supply configuration

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

• Battery-powered systems requiring high efficiency
• Portable electronics with strict power constraints
• Industrial equipment needing stable regulated power
• Automotive infotainment and control modules

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

Verify the exact suffix 'B' against official onsemi documentation to confirm specific binning or temperature grade variations compared to standard variants. Ensure the SOP-5 package outline matches your PCB footprint requirements. Confirm RoHS compliance status through the manufacturer's latest product change notification or datasheet revision history before finalizing procurement orders.

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

Select this component when a 3.0 A output current is required with minimal voltage drop across the regulator. The adjustable output allows flexibility for various logic levels. Consider the separate power input pin if minimizing control circuit power consumption is critical. Ensure the input voltage exceeds the maximum output voltage plus the specified dropout voltage under all operating conditions.

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

This part belongs to onsemi's LDO regulator family, designed for applications demanding high current capability and low noise. It serves as a drop-in replacement for certain legacy regulators like the EZ1582. The device is engineered to simplify designs by reducing external component count while enhancing overall system reliability and power efficiency in compact form factors.

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

The datasheet identifies the CS5253-1GDP5 as a backwards compatible alternative. Verify pinout compatibility with existing designs referencing the EZ1582. Check if the 'B' suffix indicates any functional differences from the base model. Ensure thermal management solutions are adequate for the expected power dissipation in the target application environment.