LDO Voltage Regulators 150mA 1% Low Noise LDO

MIC5205YM5-TR – 150mA Adjustable LDO Voltage Regulator – Microchip Technology

Optimize your power management with the MIC5205YM5-TR low-dropout (LDO) regulator from Microchip Technology. This high-performance IC delivers stable, clean power for sensitive electronics, featuring ultra-low noise, exceptional PSRR, and robust protection features. At PCX, we ensure genuine Microchip components with same-day shipping and dedicated technical support.

Key Features

• Output Current: 150mA continuous
• Input Voltage: Up to 16V
• Adjustable Output: 1.242V to 15.65V
• Ultra-Low Dropout: 0.35V (max) @ 150mA
• Quiescent Current: Only 150 µA (typ)
• High PSRR: 75dB @ 100Hz
• Protections: Over-current, over-temperature & reverse polarity
• Enable Control: Power sequencing support

Technical Specifications

This single-channel positive LDO regulator operates across an industrial temperature range of -40°C to +125°C, ensuring reliability in harsh environments. Housed in a space-saving SOT-23-5 package (SC-74A), it offers a low-noise adjustable output via external resistors. The MIC5205 series features a typical supply current of 2.5mA and excels in ripple rejection for noise-sensitive applications.

Typical Applications

• Battery-powered portable devices
• IoT sensors and wireless modules
• Industrial control systems
• Medical instrumentation
• Automotive infotainment subsystems

About Microchip Technology

Microchip Technology is a globally recognized leader in microcontroller, mixed-signal, analog, and Flash-IP solutions. With over 30 years of innovation, the company consistently delivers high-reliability components for mission-critical applications across automotive, industrial, and consumer markets. Their rigorous quality control and vertically integrated manufacturing ensure exceptional product consistency.

Microchip’s power management portfolio, including the MIC52xx series, sets industry benchmarks for efficiency and noise performance. Engineers worldwide trust Microchip components for their robust design margins, extended temperature operation, and long-term lifecycle support – making them ideal for both prototyping and high-volume production.

About LDO Voltage Regulators

Low-dropout (LDO) regulators provide critical voltage stabilization in electronic systems where input voltages closely approach output requirements. Unlike conventional regulators, LDOs maintain regulation with minimal voltage headroom – typically 0.2V to 0.6V – significantly extending battery life in portable devices. They excel in noise-sensitive applications by suppressing input ripple without switching artifacts.

Modern LDOs like the MIC5205 integrate protections against reverse polarity, thermal overload, and short circuits. Their compact footprint and minimal external component requirements simplify PCB layout while enabling precise voltage control for processors, sensors, RF modules, and analog circuits where voltage integrity is paramount.

Packaging Options

Available in industry-standard formats for automated assembly: Tape & Reel (TR), Cut Tape (CT), and Digi-Reel®. Specify your preferred option at checkout.

FAQs

Q: What is the typical dropout voltage at 100mA load?
A: Approximately 0.25V, well below the 0.35V maximum specification.

Q: Can this LDO power noise-sensitive analog circuits?
A: Yes, its 75dB PSRR at 100Hz effectively suppresses supply ripple.

Q: Is an external capacitor required for stability?
A: A minimum 1µF ceramic output capacitor is recommended.

Q: How does the enable pin function?
A: Applying >1.5V to EN activates the regulator; <0.8V puts it in shutdown (2µA typical).

Q: What distinguishes LDOs from switching regulators?
A: LDOs provide ripple-free linear regulation but with lower efficiency at high voltage differentials.

Q: Can I use this for 3.3V applications?
A: Absolutely – set output to 3.3V using external resistors per the datasheet.

Product image is representational. Refer to datasheet for exact dimensions and schematics.

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