S-1721A2812-M6T1U

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

The S-1721A2812-M6T1U is a dual-channel positive voltage regulator IC from the S-1721 Series, manufactured by ABLIC Inc. It features two independent regulator circuits within a single package, offering output voltages of 2.8 V and 1.2 V with 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 channel. Key electrical parameters include a typical dropout voltage of 130 mV at 100 mA, high ripple rejection of 80 dB for outputs under 1.8 V, and low current consumption of 25 µA during operation. It 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 positive voltage regulation circuits in a compact footprint.
• High ripple rejection capability ensures stable power delivery against input noise variations.
• Low dropout voltage design allows efficient operation even when input voltage approaches output levels.
• Integrated ON/OFF control circuitry enables significant current reduction during shutdown states.

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

• Constant-voltage power supply for cellular phones
• Power management for battery-powered portable devices

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

Verify component authenticity through official manufacturer channels or authorized distributors. Confirm that the specific ordering suffix matches the required pin configuration and environmental compliance standards. Ensure compatibility with existing PCB layouts regarding the SOT-23-6 package dimensions. Review the datasheet for absolute maximum ratings to prevent operational damage during integration.

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

Select this component when designing systems requiring two distinct regulated voltages from a single source. Consider the SOT-23-6 package for space-constrained applications. Evaluate thermal dissipation requirements if operating near maximum current limits. Verify that the input voltage range aligns with the system's power source characteristics.

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

This part belongs to the S-1721 Series of CMOS voltage regulators known for super-small packages and low current consumption. It is designed as a successor or alternative to previous series like the S-1711, offering improved efficiency. The series is widely used in mobile electronics where power conservation and board space are critical constraints.

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

Public confirmed substitute part numbers: None identified in provided documentation.