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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Microchip Technology MIC5305-2.6YML-TR

Name: MIC5305-2.6YML-TR
Brand: Microchip Technology
SKU: MIC5305-2.6YML-TR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MIC5305-2.6YML-TR

Manufacturer:: Microchip Technology

Category:: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Package:: 6-VDFN Exposed Pad, 6-MLF®

Datasheet:: MIC5305-2.6YML-TR.pdf

Description:: IC REG LINEAR 2.6V 150MA 6MLF

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Product details

Overview

MIC5305-2.6YML-TR from Micrel is a fixed-output 2.6V, 150mA ultra-low-dropout linear regulator in a 6-pin 2mm × 2mm MLF® package, featuring 60mV dropout at full load, 20µV_rms output noise, and 85dB PSRR at 1kHz - optimized for low-noise power delivery in portable audio and RF modules.

For engineers reviewing the MIC5305-2.6YML-TR datasheet, MIC5305-2.6YML-TR pinout, MIC5305-2.6YML-TR application, or MIC5305-2.6YML-TR equivalent, key selection criteria include dropout voltage under 150mA load, ceramic-capacitor stability, enable pin logic compatibility, thermal performance in compact layouts, and Pb-free compliance for modern assembly.

Technical Context

The MIC5305-2.6YML-TR integrates a CMOS-based LDO core with a dedicated bypass (BYP) pin to shunt reference noise, enabling 20µV_rms noise performance when paired with a 0.1µF ceramic capacitor. Its quick-start circuit maintains ≤30µs turn-on time even with 0.1µF BYP capacitance.

It employs internal current limiting (300–900mA), thermal shutdown, and operates across 2.25V–5.5V input while delivering ±1.0% initial output accuracy and ±2.0% over temperature - all within a 93°C/W junction-to-ambient thermal resistance profile in its 2mm × 2mm MLF® package.

Key Specifications

Parameter	Value and Actual Design Meaning
Output Voltage	Fixed 2.6V ±1.0% initial accuracy - ensures stable biasing for 2.5–2.7V logic rails and analog circuits.
Max Output Current	150mA guaranteed - sufficient for powering single-channel audio codecs or low-power RF ICs.
Dropout Voltage	60mV @ 150mA - enables regulation from 2.66V input, critical for battery-powered systems down to 2.7V.
Ground Current	90µA typical @ light load - minimizes quiescent drain in standby mode of portable devices.
PSRR	85dB @ 1kHz - suppresses switching noise from upstream DC/DC converters feeding the LDO input.
Output Noise	20µV_rms (10Hz–100kHz) - meets low-noise requirements for audio DACs and precision ADC references.
Enable Threshold	Logic-compatible: V_IL ≤ 0.2V, V_IH ≥ 1.0V - interfaces directly with 1.8V/3.3V GPIO without level shifting.

Pinout & Package

Package: 6-pin 2mm × 2mm MLF® (leadless, exposed thermal pad grounded internally). Compact footprint supports high-density PCB layouts in space-constrained portable designs.

Pin/Terminal	Circuit Role	Design Meaning
1 - EN	Enable input	Active-high CMOS control: drives regulator ON/OFF; must not float - ties to host MCU GPIO or pull-up for default-on operation.
2 - GND	Power ground	Primary return path for load and quiescent current; connects to exposed thermal pad for thermal dissipation.
3 - VIN	Input supply	Accepts 2.25V–5.5V; requires 1µF ceramic bypass to GND for stability and transient response.
4 - VOUT	Regulated output	Delivers fixed 2.6V; stable with ≥1µF X7R/X5R ceramic capacitor - no ESR requirements.
5 - NC	No connection	Not bonded; left unconnected - no routing or solder mask required.
6 - BYP	Reference bypass	Connects 0.1µF ceramic to GND to reduce output noise by >10dB and improve PSRR above 10kHz.

Key Features

Feature	Design Value
µCap ceramic-stable design	Operates with ≥1µF X7R ceramic output cap - eliminates need for tantalum or electrolytic capacitors, reducing BOM cost and board area.
Zero-off-mode shutdown	Draws ≤0.5µA when EN ≤ 0.2V - extends battery life in always-on sensor nodes or keep-alive memory circuits.
Ultra-thin thermal package	2mm × 2mm MLF® with exposed EPAD - achieves 93°C/W θ_JA on minimal copper, enabling use in thin-profile handhelds.
High-accuracy voltage reference	±1.0% initial tolerance and ±2.0% over –40°C to +125°C - eliminates need for external trimming in production calibration.
Fast transient response	≤30µs turn-on time with 0.1µF BYP cap - supports rapid power sequencing in multi-rail systems without external delay circuitry.

Applications

Audio Codec Power Supply	Fiber Optic Transceiver Bias
Use Scenario: Powers stereo audio DAC/ADC in Bluetooth headsets and voice-controlled wearables. IC Role / Device Role / Timing Role: Low-noise 2.6V bias rail for analog signal chain - replaces noisy switched-mode supplies to prevent audible hiss. Use Value: 20µV_rms noise and 85dB PSRR ensure SNR > 95dB, meeting Class D audio performance targets without post-regulation filtering.	Use Scenario: Supplies laser driver and TIA in SFP+ optical modules operating at 10Gbps. IC Role / Device Role / Timing Role: Clean 2.6V reference for analog front-end - decouples digital switching noise from sensitive photodiode amplification. Use Value: 60mV dropout allows operation from 2.85V intermediate rail, preserving headroom for dynamic laser bias adjustments.
Portable Medical Sensor Node	Industrial Handheld Terminal
Use Scenario: Powers ECG front-end amplifier and low-power MCU in battery-operated patient monitors. IC Role / Device Role / Timing Role: Primary 2.6V supply for analog acquisition path - enabled only during measurement bursts via EN pin. Use Value: 90µA quiescent current and zero-off-mode shutdown extend coin-cell lifetime beyond 12 months in intermittent-use applications.	Use Scenario: Supplies 2.6V logic for touch controller and display interface in ruggedized warehouse scanners. IC Role / Device Role / Timing Role: Stable voltage source for mixed-signal ASICs - withstands wide input variation from Li-ion (3.0–4.2V) or alkaline (3.2–4.8V) sources. Use Value: 2.25V–5.5V input range and ±2.0% tempco support reliable operation across –20°C to +70°C industrial ambient conditions.

Audio Codec Power Supply

Fiber Optic Transceiver Bias

Use Scenario: Powers stereo audio DAC/ADC in Bluetooth headsets and voice-controlled wearables.

IC Role / Device Role / Timing Role: Low-noise 2.6V bias rail for analog signal chain - replaces noisy switched-mode supplies to prevent audible hiss.

Use Value: 20µV_rms noise and 85dB PSRR ensure SNR > 95dB, meeting Class D audio performance targets without post-regulation filtering.

Use Scenario: Supplies laser driver and TIA in SFP+ optical modules operating at 10Gbps.

IC Role / Device Role / Timing Role: Clean 2.6V reference for analog front-end - decouples digital switching noise from sensitive photodiode amplification.

Use Value: 60mV dropout allows operation from 2.85V intermediate rail, preserving headroom for dynamic laser bias adjustments.

Portable Medical Sensor Node

Industrial Handheld Terminal

Use Scenario: Powers ECG front-end amplifier and low-power MCU in battery-operated patient monitors.

IC Role / Device Role / Timing Role: Primary 2.6V supply for analog acquisition path - enabled only during measurement bursts via EN pin.

Use Value: 90µA quiescent current and zero-off-mode shutdown extend coin-cell lifetime beyond 12 months in intermittent-use applications.

Use Scenario: Supplies 2.6V logic for touch controller and display interface in ruggedized warehouse scanners.

IC Role / Device Role / Timing Role: Stable voltage source for mixed-signal ASICs - withstands wide input variation from Li-ion (3.0–4.2V) or alkaline (3.2–4.8V) sources.

Use Value: 2.25V–5.5V input range and ±2.0% tempco support reliable operation across –20°C to +70°C industrial ambient conditions.

Equivalent & Alternatives

The following parts are listed as comparable options for similar LDO regulator applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MCP1700T-2602E/TT	250mA rated, 1.6µA quiescent current, no BYP pin, SOT-23-3 package	Lacks noise-reduction capability and thermal performance of MLF® package; suited for ultra-low-I_Q but non-noise-critical uses	Select when lowest possible quiescent current dominates over noise or thermal specs.
TCS2116-2.6V	150mA, 45µV_rms noise, 65dB PSRR @ 1kHz, 5-pin SOT-23 package	Higher noise and lower PSRR limit suitability for high-fidelity audio or RF bias; smaller package reduces layout flexibility	Choose only if footprint constraint overrides noise/PSRR requirements.

Compared with MCP1700T-2602E/TT and TCS2116-2.6V, the MIC5305-2.6YML-TR uniquely balances ultra-low noise, high PSRR, and thermal efficiency in a miniature leadless package - making it optimal where signal integrity and spatial constraints coexist.

Availability

MIC5305-2.6YML-TR is available at Aetrix Electronics and suitable for portable medical sensors, fiber optic transceivers, audio codec power supplies, and industrial handheld terminals requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for MIC5305-2.6YML-TR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Micrel Inc. was a U.S.-based semiconductor company specializing in high-performance analog and power management ICs before its acquisition by Microchip Technology in 2015.

The MIC5305 family was designed for ultra-low-noise, space-constrained battery-powered applications - targeting portable communications, optical modules, and precision analog subsystems where ceramic-capacitor stability and sub-100µA quiescent current are mandatory.

FAQ

What is the maximum input voltage rating for the MIC5305-2.6YML-TR?

The MIC5305-2.6YML-TR has an absolute maximum input voltage of 6V, with recommended operating range from 2.25V to 5.5V. Exceeding 6V may cause permanent damage. Within the operational range, the device maintains 2.6V output accuracy and thermal stability up to 125°C junction temperature - critical for designs using Li-ion or multi-cell alkaline inputs.

Does the MIC5305-2.6YML-TR require an external bypass capacitor for basic operation?

No, the MIC5305-2.6YML-TR functions stably without a bypass capacitor on the BYP pin. However, connecting a 0.1µF ceramic capacitor from BYP to GND reduces output noise from 20µV_rms to <15µV_rms and improves PSRR by 10–15dB above 10kHz - essential for audio and RF applications. The BYP pin may be left open if noise performance is not critical.

Can the MIC5305-2.6YML-TR be used with zero load current?

Yes, the MIC5305-2.6YML-TR remains stable and in regulation with no load - a key differentiator from many LDOs that require minimum load for stability. This enables use in CMOS RAM keep-alive circuits and always-on sensor bias rails where load current drops to 0µA between measurements, without risking oscillation or dropout.

What is the thermal resistance (θ_JA) of the MIC5305-2.6YML-TR in its standard package?

The MIC5305-2.6YML-TR in the 6-pin 2mm × 2mm MLF® package has a junction-to-ambient thermal resistance (θ_JA) of 93°C/W under standard PCB footprint conditions. This value assumes minimum recommended copper pad area per Micrel's package drawing; increasing copper area or adding thermal vias can reduce θ_JA to improve power handling at 150mA load.

Is the MIC5305-2.6YML-TR RoHS-compliant and Pb-free?

Yes, the MIC5305-2.6YML-TR is a Pb-free, RoHS-compliant device. The "Y" in the part number suffix denotes Micrel's Pb-free packaging standard, and the MLF® package uses lead-free solderable terminations. It meets JEDEC J-STD-020 moisture sensitivity level 3 and is qualified for reflow soldering per IPC/JEDEC J-STD-020.

MIC5305-2.6YML-TR Specifications

Product attributes: Attribute value

Manufacturer:: Microchip Technology

Series:: -

Package/Case:: 6-VDFN Exposed Pad, 6-MLF®

Packaging:: Tape & Reel (TR)

Product Status:: Active

Output Configuration:: Positive

Output Type:: Fixed

Number of Regulators:: 1

Voltage - Input (Max):: 5.5V

Voltage - Output (Min/Fixed):: 2.6V

Voltage - Output (Max):: -

Voltage Dropout (Max):: -

Current - Output:: 150mA

Current - Quiescent (Iq):: 150 µA

Current - Supply (Max):: -

PSRR:: 85dB ~ 65dB (1kHz ~ 10kHz)

Control Features:: Enable

Protection Features:: Over Current, Over Temperature

Operating Temperature:: -40°C ~ 125°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 6-DFN (2x2)

MIC5305-2.6YML-TR FAQ

1.How can I place an order for MIC5305-2.6YML-TR through Aetrix?

Please submit a Request for Quotation (RFQ) for MIC5305-2.6YML-TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for MIC5305-2.6YML-TR reliable?

The price and inventory of MIC5305-2.6YML-TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MIC5305-2.6YML-TR is usually 5 days.

3.What payment methods are accepted for MIC5305-2.6YML-TR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MIC5305-2.6YML-TR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MIC5305-2.6YML-TR?

MIC5305-2.6YML-TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MIC5305-2.6YML-TR order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for MIC5305-2.6YML-TR?

For technical support, including MIC5305-2.6YML-TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MIC5305-2.6YML-TR requirements.

6.How does Aetrix verify that MIC5305-2.6YML-TR is sourced from the original manufacturer or authorized distributors?

All MIC5305-2.6YML-TR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MIC5305-2.6YML-TR meets industry standards.

7.What is the process for return or replacement of MIC5305-2.6YML-TR?

All MIC5305-2.6YML-TR units undergo pre-shipment inspection (PSI). If there is an issue with MIC5305-2.6YML-TR, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The MIC5305-2.6YML-TR part is unused and in its original packaging.

Return procedure for MIC5305-2.6YML-TR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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