MIC5207-1.8YD5-TR

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

The MIC5207-1.8YD5-TR is a fixed-output low-dropout linear regulator manufactured by Microchip Technology, providing a stable 1.8V output with a maximum continuous current of 180 mA. It operates within an input voltage range of +2.5V to +16V and features ultra-low noise performance. The device incorporates CMOS-compatible logic-controlled enable functionality for efficient power management in shutdown modes. It includes comprehensive protection mechanisms such as current limiting, thermal shutdown, and reversed-battery protection.

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

• Ultra-low-noise output design suitable for sensitive analog circuits
• Logic-controlled electronic enable/shutdown with near-zero off-mode current
• Integrated reversed-battery protection and over-temperature shutdown
• High initial accuracy with extremely tight load and line regulation

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

• Cellular telephones
• Laptop, notebook, and palmtop computers
• Battery-powered equipment
• PCMCIA VCC and VPP regulation/switching
• SMPS post-regulator and DC/DC modules

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

Verify the specific package type against project requirements, as the 'D5' suffix indicates a TSOT-23-5 package which differs from the standard SOT-23-5. Confirm that the fixed 1.8V output aligns with system voltage rails. Ensure input capacitors meet stability guidelines if bypass capacitors are utilized for noise reduction. Validate operating temperature ranges for extreme environmental conditions.

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

Select this component when ultra-low noise is critical for signal integrity in battery-operated devices. The fixed 1.8V output eliminates the need for external feedback resistors required by adjustable versions. Consider the TSOT-23-5 package dimensions for PCB layout constraints. Evaluate thermal dissipation capabilities based on the expected voltage drop and load current to ensure junction temperatures remain within safe limits.

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

This part belongs to the MIC5207 family of 180 mA low-noise LDO regulators. The family offers both fixed and adjustable output voltage options across various packages including SOT-23-5 and TSOT-23-5. The MIC5207 series is designed specifically for hand-held and battery-powered applications requiring high efficiency and low ground current.

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

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