XC6501C21AMR-G

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

The XC6501C21AMR-G is a fixed-output low dropout regulator from Torex Semiconductor, providing a nominal output voltage of 2.1V with a tolerance of ±0.02V. It delivers a maximum output current of 200mA within an operating input voltage range of 1.4V to 6.0V. The device operates with a typical supply current of 13μA and features internal phase compensation, allowing stable operation without an external load capacitor. It includes a CE pin for standby control, reducing current consumption to less than 0.1μA when deactivated.

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

• Internal phase compensation enables stable regulation without requiring an external output capacitor.
• CE pin allows switching the circuit to a low-power standby mode with minimal current draw.
• Integrated fold-back current limit and short-circuit protection safeguard against overload conditions.

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

• Smart phones
• Portable games
• Wireless modules
• Bluetooth devices
• Digital-TV tuners

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

Verify the specific package type (SOT-25) and ordering suffix (MR-G) matches the design requirements. Confirm that the fixed 2.1V output aligns with the target circuit voltage needs. Ensure the component meets environmental compliance standards such as RoHS before finalizing procurement orders.

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

Select this regulator for applications requiring high-speed response and low quiescent current in compact designs. The absence of an external output capacitor requirement simplifies the bill of materials and reduces board space. Consider the dropout voltage characteristics relative to the minimum expected input voltage during operation.

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

This component belongs to the XC6501 series of high-speed CMOS LDO regulators manufactured by Torex Semiconductor. The series is characterized by its ability to operate stably without external load capacitors due to built-in phase compensation circuits. It is designed for portable electronic devices where power efficiency and small form factors are critical.

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

Direct replacements must match the 2.1V fixed output, 200mA current capability, and SOT-25 package. Verify compatibility of the CE pin logic levels and ensure equivalent or better PSRR and dropout performance for the specific application environment.

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

Does the XC6501C21AMR-G require an external output capacitor?

No, the device features internal phase compensation, allowing it to operate stably without an external load capacitor.

How does the CE pin function affect power consumption?

Applying a low-level signal to the CE pin puts the circuit into standby mode, reducing the supply current to less than 0.1μA.