XC6220B20BPR-G

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

The XC6220B20BPR-G is a CMOS low dropout regulator from the XC6220 series, manufactured by Torex Semiconductor. It provides a fixed output voltage of 2.05V with a maximum continuous output current of 1A. The device operates within an input voltage range of 1.6V to 6.0V and features Green Operation technology for automatic switching between high-speed and power-save modes. It utilizes a SOT-89-5 package and includes built-in protections such as thermal shutdown, over-current limiting, and inrush current prevention.

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

• Green Operation function automatically switches between high-speed and power-save modes based on load current to minimize power consumption.
• Integrated CL auto-discharge circuit rapidly discharges output capacitance when the control enable pin is deactivated.
• Built-in inrush current prevention circuit limits startup surge currents to protect system power supplies.
• Compatible with low ESR ceramic capacitors for output stabilization without requiring additional phase compensation components.

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

• Optical disk drives
• Magnetic disk drives
• Digital still cameras and camcorders
• Digital audio equipment

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

Verify that the specific part number XC6220B20B20BPR-G matches the required 2.05V output voltage and SOT-89-5 package configuration. Confirm that the 'B' designation indicates the presence of the CL auto-discharge feature, which distinguishes it from other variants in the series. Ensure compatibility with the intended input voltage range and load requirements before finalizing procurement.

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

Select this component when a fixed 2.05V rail is required with up to 1A capacity. The B-series variant is appropriate if rapid output discharge upon shutdown is necessary. Consider the thermal dissipation capabilities of the SOT-89-5 package relative to the expected ambient temperature and load conditions. Verify that the input voltage remains within the specified 1.6V to 6.0V operational window.

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

This component belongs to the XC6220 series of 1A LDO regulators featuring Green Operation. The series offers various fixed output voltages selectable in 0.05V increments. The XC6220B20BPR-G specifically denotes the 2.05V output version packaged in SOT-89-5 with reel packaging. The suffix -G indicates compliance with EU RoHS standards and freedom from halogen and antimony.

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

Direct replacements within the same series include XC6220B20BMR-G (SOT-25) or XC6220B20BER-G (USP-6C), provided the package footprint allows adaptation. Other series members like XC6220A or C types lack the CL auto-discharge feature found in the B type.

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

What is the function of the CL auto-discharge feature in the XC6220B series?

The CL auto-discharge feature uses an internal N-channel transistor to rapidly discharge the output capacitor when the CE pin is set to a low level, ensuring the output voltage drops quickly to zero.

How does the Green Operation function affect power consumption?

Green Operation automatically switches the regulator between high-speed mode for heavy loads and power-save mode for light loads, significantly reducing supply current during low-demand periods.