XC6501D33B0R-G

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

The XC6501D33B0R-G is a high-speed, low-noise CMOS LDO regulator from Torex Semiconductor. It provides a fixed 3.3V output with a maximum current of 200mA and operates within an input voltage range of 1.4V to 6.0V. The device features internal phase compensation, allowing stable operation without an external load capacitor. Key electrical parameters include a typical dropout voltage of 140mV at 100mA, a supply current of 13μA, and ripple rejection of 50dB. It includes CE control for stand-by mode (<0.1μA) and built-in CL auto-discharge.

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

• Internal phase compensation enables stable regulation without requiring an external output capacitor.
• Integrated CL auto-discharge function rapidly discharges stored charge in the output capacitor when the CE pin is set to low level.
• CE pin allows switching between active operation (13μA) and ultra-low power stand-by mode (<0.1μA).
• Built-in current limit and short-circuit protection circuits safeguard the device under fault conditions.

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

• Smart phones and mobile phones
• Portable game devices
• Wireless and camera modules
• Bluetooth modules
• Digital-TV tuners

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

Verify that the specific ordering suffix matches the required package type and tape/reel quantity. Confirm that the 'D' series designation aligns with the need for both CE pull-down and CL discharge functionality. Ensure the '-G' suffix is present to guarantee compliance with EU RoHS standards and absence of halogen and antimony. Cross-reference the nominal voltage code to ensure the correct 3.3V output variant is selected for the design.

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

Select this component when a fixed 3.3V rail is needed with minimal external components due to capless stability. The D-series is appropriate if automatic output discharge upon shutdown is required. Consider the 1.4V minimum input voltage for battery-powered applications. Verify that the 200mA output current meets the peak load requirements of the target circuit while staying within thermal limits.

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

This part belongs to the XC6501 series of 200mA High Speed LDO Regulators. The series offers various packages including SOT-25, SSOT-24, USP-4, USPN-4, USP-3, and WLP-4-01. Different letter codes (A, B, C, D) define the CE pin configuration and discharge capabilities. The XC6501D specifically combines CE pull-down resistance with an internal auto-discharge switch for faster output voltage decay.

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

XC6501D3317R-G

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

What is the function of the CL auto-discharge feature in the XC6501D series?

The CL auto-discharge feature uses an internal N-channel transistor to rapidly discharge electric charge stored in the output capacitor when the CE pin is pulled low, ensuring the VOUT pin quickly returns to the VSS level.

How does the XC6501D achieve stability without an external load capacitor?

It utilizes internal phase compensation circuits, unlike other LDOs that require external capacitors for stability, allowing it to provide stable output voltages even without a load capacitor.