XC6503C40AGR-G

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

The XC6503C40AGR-G is a fixed-output low dropout regulator from Torex Semiconductor, providing a nominal output voltage of 4.0V with a maximum load current of 500mA. It operates within an input voltage range of 1.7V to 6.0V and features internal phase compensation for stable operation without external load capacitors. The device includes chip enable functionality, pull-down resistors on the control pin, and integrated protection circuits including current limiting, short-circuit protection, and thermal shutdown.

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

• Capacitor-less stability achieved through internal phase compensation
• Integrated chip enable function with built-in CE pin pull-down resistor
• Fold-back current limit and thermal shutdown protection mechanisms

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 'GR-G' indicates USP-4 packaging and RoHS compliance. Confirm the 'C' type designation ensures the presence of the CE pin pull-down resistor. Ensure the ordering code matches the required 4.0V fixed output voltage specification before procurement.

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

Select this variant when a fixed 4.0V output is required alongside chip enable control. The C-type series is distinct due to its internal pull-down resistor on the CE pin, which prevents unstable operation if the pin is left open. This feature simplifies board design by removing the need for external pull-down components.

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

This component belongs to the XC6503 series of high-speed CMOS LDO regulators. The series offers various output voltages in 0.05V increments and multiple package options. The C-type specifically adds a pull-down resistor to the chip enable pin compared to the A-type, enhancing operational reliability in floating control scenarios.

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

XC6503A40AGR-G lacks the CE pin pull-down resistor. XC6503D40AGR-G includes CL discharge capability not present in the C-type. Verify functional requirements regarding standby discharge and pin configuration before substituting.