XC6503B41AMR-G

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

The XC6503B41AMR-G is a CL capacitor-less 500mA high-speed CMOS LDO regulator from the XC6503 series by Torex Semiconductor. It provides a fixed output voltage of 4.1V with an accuracy of ±1% for voltages between 2.0V and 5.0V. The device operates within an input voltage range of 1.7V to 6.0V and features internal phase compensation, eliminating the need for external output capacitors. It includes a chip enable function, current limit protection, short-circuit protection, and thermal shutdown.

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

• Capacitor-less operation enabled by internal phase compensation
• Integrated chip enable (CE) pin for power management
• Built-in protection circuits including current limiting and thermal shutdown

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

• Smart phones and mobile phones
• Portable game consoles
• Wireless modules
• Camera modules
• Bluetooth modules

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

Verify the specific suffix 'MR-G' corresponds to the SOT-25 package format as indicated in the datasheet ordering information. Confirm that the 'B' type designation aligns with the required CE pull-down resistor and CL discharge functionality. Ensure compliance with EU RoHS standards, which are denoted by the '-G' suffix.

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

Select this component when a stable 4.1V output is required without external output capacitors. The B-type variant is suitable for applications needing both a chip enable control and automatic output capacitor discharge upon shutdown. Consider the dropout voltage characteristics at the target load current to ensure proper regulation margins.

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

This part belongs to the XC6503 series of low-dropout regulators designed for space-constrained portable electronics. The series offers various output voltages in 0.05V increments and multiple package options including USP-4, SOT-25, and SOT-89 variants. The B-type specifically integrates a pull-down resistor on the CE pin to prevent unstable operation when the pin is left open.

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

XC6503B41AMR

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

Does the XC6503B41AMR-G require an external output capacitor?

No, the device features internal phase compensation that allows it to operate stably without an external load capacitor (CL).

What is the function of the CE pin on the XC6503B series?

The CE pin enables or disables the regulator. A low-level signal turns the circuit off, while a high-level signal turns it on. The B-type includes a pull-down resistor to prevent unstable operation if the pin is left open.