CAT6221-PPTD-GT3

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

The CAT6221-PPTD-GT3 is a dual-output low-dropout linear voltage regulator manufactured by onsemi. It provides two independent fixed output voltages, with one variant specified at 3 V. The device supports a maximum output current of 300 mA per channel and operates within an input voltage range of 2.3 V to 5.5 V. It features a line regulation of 0.4 %/V and load regulation of 2 %. The unit is housed in a TSOT-23 package with six pins and maintains operation across a temperature range of -40 °C to +125 °C.

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

• Dual-channel architecture providing independent regulated outputs from a single component
• Low dropout performance enabling efficient regulation with minimal voltage difference between input and output
• High thermal stability supporting continuous operation in extreme industrial temperature environments

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

• Portable electronic devices requiring multiple stable voltage rails
• Battery-powered systems needing efficient power management
• Embedded circuits utilizing low-noise linear regulation

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

Verify the specific fixed output voltage configuration required for the application, as the series includes various voltage options. Confirm package compatibility with the TSOT-23 footprint during PCB layout. Check current availability status, as supply may be restricted or limited depending on regional distribution channels and manufacturing allocation.

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

Select this component when dual isolated outputs are necessary within a compact surface-mount form factor. Ensure the input voltage remains within the 2.3 V to 5.5 V operational window. Consider the 300 mA current limit per channel against peak load requirements. Verify that the fixed output voltage variants match the target system specifications precisely.

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

This part belongs to the CAT6221 series of dual LDO regulators designed for space-constrained applications. It integrates two linear regulators into a single six-pin TSOT-23 package, reducing board area compared to using separate single-output units. The series targets portable electronics and embedded systems requiring reliable, low-noise power delivery.

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

What is the maximum input voltage for the CAT6221-PPTD-GT3?

The maximum operating input voltage is 5.5 V.

Does this regulator support adjustable output voltages?

No, the CAT6221-PPTD-GT3 provides fixed output voltages.