S-1721A3333-M6T1G

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

The S-1721A3333-M6T1G is a dual-channel positive voltage regulator IC from the ABLIC S-1721 Series, manufactured using CMOS technology. It provides two independent output channels with fixed voltages of 3.3 V each and an accuracy of ±1.0%. The device supports an input voltage range of 1.7 V to 6.5 V and delivers up to 150 mA per circuit. Key electrical parameters include a typical dropout voltage of 130 mV at 100 mA, operating current consumption of 25 µA typ., and shutdown current of 0.1 µA typ. It features high ripple rejection (80 dB typ.) and operates within a temperature range of -40°C to +85°C.

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

• Dual-channel architecture providing two independent regulated outputs in a single package
• Low dropout voltage capability for efficient power management under varying load conditions
• Integrated ON/OFF control circuits for precise power state management and extended battery life
• Built-in overcurrent protection to safeguard against output short-circuit events

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

• Constant-voltage power supply for cellular phones
• Power regulation for battery-powered electronic devices

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

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm compliance with environmental standards such as lead-free and halogen-free specifications. Review datasheet limitations regarding power dissipation and thermal constraints during integration. Ensure proper evaluation of external capacitor selection to prevent oscillation and guarantee stable operation under specific load conditions.

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

Select this component for applications requiring dual low-dropout regulation with minimal quiescent current. Verify that the required output voltage matches the fixed 3.3 V specification. Consider the SOT-23-6 package size for space-constrained designs. Evaluate thermal performance based on expected load currents and ambient temperature ranges to ensure reliable operation within specified limits.

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

This part belongs to the S-1721 Series, designed for mobile devices requiring low current consumption. It utilizes CMOS technology to achieve high accuracy and low dropout characteristics. The series includes various product types with different ON/OFF logic configurations and internal pull-up/pull-down resistor options to suit diverse interface requirements.

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

Public confirmed substitute part numbers are not available in the provided documentation.