AS1374-BWLT1833

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

The AS1374-BWLT1833 is a dual low-dropout linear regulator featuring two independent outputs configured for 1.8V and 3.3V. It delivers up to 200mA per channel with a maximum input voltage of 5.5V. The device achieves an ultra-low output noise of 20µVRMS and a power-supply rejection ratio exceeding 85dB at 1kHz. Quiescent current is maintained at 30µA, and the unit operates within a -40°C to +85°C temperature range.

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

• Dual independent channels with active-high enable logic
• Ultra-low noise architecture optimized for sensitive circuits
• High power-supply rejection ratio across frequency ranges
• Integrated overcurrent and thermal protection mechanisms

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

• Mobile phones and wireless communication devices
• Portable battery-powered personal audio equipment
• Wireless LAN modules and Bluetooth accessories
• Digital cameras and handheld computers

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

Verify the specific ordering code AS1374-BWLT1833 against official manufacturer documentation to confirm the 1.8V and 3.3V output configuration. Ensure compatibility with the required 6-bump WLP package footprint during procurement planning. Confirm RoHS compliance status through the supplier's latest certification documents before finalizing orders.

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

Select this component when space-constrained designs require dual regulated rails from a single package. The P-channel MOSFET pass transistor provides extended battery life compared to PNP-based alternatives. Verify that the application load does not exceed the 200mA continuous limit per channel while maintaining stability with 1µF ceramic capacitors.

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

This part belongs to the AS1374 series of ultra-low-noise regulators designed for portable electronics. Manufactured by austriamicrosystems AG, now part of onsemi, it utilizes advanced architecture to minimize quiescent current. The series supports various preset voltage combinations in 50mV increments within the 1.2V to 3.6V range.

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

Consult official cross-reference lists for verified substitutes. No public substitute part numbers are confirmed in the provided datasheet.