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

Microchip Technology MIC5302-2.6YMT-TR

Name: MIC5302-2.6YMT-TR
Brand: Microchip Technology
SKU: MIC5302-2.6YMT-TR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MIC5302-2.6YMT-TR

Manufacturer:: Microchip Technology

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

Package:: 4-UFDFN Exposed Pad, 4-TMLF®

Datasheet:: MIC5302-2.6YMT-TR.pdf

Description:: IC REG LINEAR 2.6V 150MA 4TMLF

Quantity:: RFQ Add To RFQ list

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Product details

Overview

MIC5302-2.6YMT-TR from Micrel is a 2.6V fixed-output, 150mA ultra-low dropout (ULDO™) CMOS linear regulator in a 4-pin 1.2mm × 1.6mm Thin MLF® package. It delivers ±2% initial accuracy, 50mV dropout at 150mA, 120µV_RMS output noise, and operates from 2.3V–5.5V input-optimized for RF power stages in mobile phones and camera modules where board area and low-noise biasing are critical.

For engineers reviewing the MIC5302-2.6YMT-TR datasheet, MIC5302-2.6YMT-TR pinout, MIC5302-2.6YMT-TR application, or MIC5302-2.6YMT-TR equivalent, key selection criteria include dropout voltage under load, ground current in active/shutdown modes, thermal resistance (θ_JA = 173°C/W), ceramic capacitor stability, and enable logic compatibility with 1.1V high/0.2V low thresholds.

Technical Context

The MIC5302-2.6YMT-TR integrates a CMOS pass element with error amplifier, thermal shutdown, and current-limit protection. Its quick-start circuit enables 35µs turn-on time, and the internal reference ensures ±3% output accuracy over –40°C to +125°C junction temperature.

It uses an active-high enable input (EN) referenced to VIN, requires no-load stability, and maintains regulation with only 1µF ceramic input/output capacitors-eliminating need for external compensation or bypass networks in space-constrained portable designs.

Key Specifications

Parameter	Value and Actual Design Meaning
Output Voltage	Fixed 2.6V ±2% initial, ±3% over –40°C to +125°C - ensures stable bias for 2.6V-tolerant RF ICs and image sensors.
Max Output Current	150mA guaranteed - supports peak current demands of cellular RF power amplifiers and camera auto-focus drivers.
Dropout Voltage	50mV at 150mA - enables operation with ≤2.65V input, critical for single-cell Li-ion (2.7–4.2V) systems under discharge.
Ground Current	85µA typical active, <2µA shutdown - extends battery life in always-on sensor or standby RF circuits.
Output Noise	120µV_RMS (10Hz–100kHz) - minimizes phase noise injection into VCOs and ADC reference rails.
PSRR	65dB @ 1kHz, 42dB @ 1–20kHz - suppresses switching noise from PMICs or DC-DC converters feeding the LDO input.
Enable Threshold	V_IL ≤ 0.2V, V_IH ≥ 1.1V - compatible with 1.8V/2.8V/3.3V GPIO without level-shifting in baseband processors.

Pinout & Package

Package: 4-pin 1.2mm × 1.6mm Thin MLF® (MT) with exposed thermal pad (EPAD) internally connected to GND - provides 173°C/W junction-to-ambient thermal resistance and supports compact 1.92mm² PCB footprint.

Pin/Terminal	Circuit Role	Design Meaning
1 - EN	Active-high digital enable input	Drives regulator ON/OFF; must be pulled high or low - floating state causes indeterminate output.
2 - GND	Analog/digital ground reference	Common return path for load, input cap, and EPAD; connects internally to exposed heatsink pad.
3 - VIN	Unregulated input supply	Accepts 2.3V–5.5V; requires 1µF low-ESR ceramic bypass to GND for stability and transient response.
4 - VOUT	Regulated 2.6V output	Delivers up to 150mA; stable with ≥1µF X7R/X5R ceramic output capacitor - no ESR requirements.

Key Features

Feature	Design Value
Ultra-small footprint	1.2mm × 1.6mm Thin MLF® occupies 1.92mm² - 50% smaller than SC-70 and 2mm × 2mm MLF®, enabling placement near RF ICs.
Zero-off-mode current	≤2µA shutdown current - eliminates quiescent drain during sleep cycles in GPS receivers and PMPs.
No-load stability	Remains in regulation with 0mA load - supports CMOS RAM keep-alive and always-on sensor bias without dummy loads.
Thermal & current protection	Internal thermal shutdown and 250–725mA current limit - prevents damage during short-circuit or overload in portable enclosures.
Ceramic capacitor compatibility	Stable with ≥1µF X7R/X5R ceramics - avoids tantalum or electrolytic caps, reducing height and improving reliability.

Applications

Mobile Phone RF Power Stage	Digital Camera Image Sensor Bias
Use Scenario: Powers RF power amplifier (PA) in GSM/UMTS handsets during transmit bursts. IC Role / Device Role / Timing Role: Low-noise, fast-response LDO delivering clean 2.6V bias to PA collector/drain. Use Value: 120µV_RMS noise and 35µs turn-on prevent PA spectral regrowth and support TDMA slot timing.	Use Scenario: Supplies analog core voltage to CMOS image sensor in smartphone rear cameras. IC Role / Device Role / Timing Role: Ultra-low dropout regulator maintaining 2.6V under varying battery voltage (2.7–4.2V). Use Value: 50mV dropout at 150mA ensures regulation down to 2.65V input - extends usable battery range per capture cycle.
GPS Receiver Front-End	Portable Media Player Audio Codec
Use Scenario: Provides low-noise supply to GPS LNA and mixer in handheld navigation devices. IC Role / Device Role / Timing Role: Noise-suppressing post-regulator for RF signal chain components requiring stable DC bias. Use Value: 65dB PSRR at 1kHz rejects switching noise from system PMIC, preserving GPS C/N₀ ratio.	Use Scenario: Powers stereo audio DAC and headphone amplifier in flash-based PMPs. IC Role / Device Role / Timing Role: Fixed 2.6V rail for analog audio section, isolated from noisy digital subsystems. Use Value: 85µA quiescent current extends playback time; ±2% accuracy ensures consistent THD+N performance across battery discharge.

Mobile Phone RF Power Stage

Digital Camera Image Sensor Bias

Use Scenario: Powers RF power amplifier (PA) in GSM/UMTS handsets during transmit bursts.

IC Role / Device Role / Timing Role: Low-noise, fast-response LDO delivering clean 2.6V bias to PA collector/drain.

Use Value: 120µV_RMS noise and 35µs turn-on prevent PA spectral regrowth and support TDMA slot timing.

Use Scenario: Supplies analog core voltage to CMOS image sensor in smartphone rear cameras.

IC Role / Device Role / Timing Role: Ultra-low dropout regulator maintaining 2.6V under varying battery voltage (2.7–4.2V).

Use Value: 50mV dropout at 150mA ensures regulation down to 2.65V input - extends usable battery range per capture cycle.

GPS Receiver Front-End

Portable Media Player Audio Codec

Use Scenario: Provides low-noise supply to GPS LNA and mixer in handheld navigation devices.

IC Role / Device Role / Timing Role: Noise-suppressing post-regulator for RF signal chain components requiring stable DC bias.

Use Value: 65dB PSRR at 1kHz rejects switching noise from system PMIC, preserving GPS C/N₀ ratio.

Use Scenario: Powers stereo audio DAC and headphone amplifier in flash-based PMPs.

IC Role / Device Role / Timing Role: Fixed 2.6V rail for analog audio section, isolated from noisy digital subsystems.

Use Value: 85µA quiescent current extends playback time; ±2% accuracy ensures consistent THD+N performance across battery discharge.

Equivalent & Alternatives

The following parts are listed as comparable options for similar ultra-low dropout LDO applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MCP1702T-2602E/MB	2.6V fixed, 250mA, SOT-23-5, 175mV dropout @ 250mA, 65µA I_Q	Higher dropout limits use below 2.76V input; larger package increases layout area.	Select when higher output current or lower quiescent current is prioritized over footprint size.
Torex XC6206P262MR-G	2.6V fixed, 150mA, SOT-25, 120mV dropout @ 150mA, 1.0µA I_Q (shutdown)	Higher dropout reduces usable input range; SOT-25 footprint (2.9×1.6mm) is 2.4× larger than Thin MLF®.	Select when ultra-low shutdown current is required and board area is less constrained.

Compared with MCP1702T-2602E/MB and XC6206P262MR-G, the MIC5302-2.6YMT-TR offers the smallest PCB footprint (1.92mm²), lowest dropout (50mV), and best noise performance (120µV_RMS) - making it optimal for RF-sensitive, space-limited portable designs where input headroom and spectral purity are critical.

Availability

MIC5302-2.6YMT-TR is available at Aetrix Electronics and suitable for mobile phone RF power stages, digital camera image sensor bias, and GPS receiver front-end circuits requiring stable component supply with tight voltage tolerance and minimal board area.

Supply support for MIC5302-2.6YMT-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 analog, power management, and timing solutions before its acquisition by Microchip Technology in 2015.

The MIC5302 family was designed specifically for ultra-compact, low-noise portable electronics - targeting RF power amplifiers, camera modules, and other battery-powered subsystems demanding minimal dropout, low quiescent current, and ceramic-capacitor stability.

FAQ

What is the maximum input voltage rating for the MIC5302-2.6YMT-TR?

The MIC5302-2.6YMT-TR has an absolute maximum input voltage (VIN) rating of +6V. However, its specified operating input range is +2.3V to +5.5V. Exceeding 5.5V may cause permanent damage or violate functional specifications, even if below the 6V absolute maximum. Always operate within the 2.3–5.5V range for reliable performance of the MIC5302-2.6YMT-TR.

Does the MIC5302-2.6YMT-TR require an external pull-up resistor on the EN pin?

Yes - the EN pin of the MIC5302-2.6YMT-TR is an active-high CMOS input that must not be left floating. A pull-up resistor to VIN (or compatible logic rail) is required to ensure deterministic startup. The MIC5302-2.6YMT-TR draws <1µA on EN when high, so a 100kΩ–1MΩ pull-up is typical. Leaving EN unconnected risks erratic enable behavior and unintended shutdown of the MIC5302-2.6YMT-TR.

Can the MIC5302-2.6YMT-TR remain stable with no load connected to VOUT?

Yes - unlike many LDOs, the MIC5302-2.6YMT-TR is explicitly characterized and guaranteed to remain stable and in regulation with zero load current. This feature is essential for applications like CMOS RAM keep-alive or always-on sensor bias where load current drops to 0µA between activity cycles. No minimum load or dummy resistor is needed for the MIC5302-2.6YMT-TR to maintain regulation.

What ceramic capacitor dielectric is recommended for the MIC5302-2.6YMT-TR output?

X7R or X5R dielectric ceramic capacitors are recommended for the MIC5302-2.6YMT-TR output. These offer ±15% capacitance variation over temperature, ensuring ≥1µF minimum value across –40°C to +125°C. Y5V or Z5U types are discouraged due to >50% capacitance loss at temperature extremes, which may compromise stability of the MIC5302-2.6YMT-TR.

Is the exposed pad (EPAD) on the MIC5302-2.6YMT-TR package electrically connected?

Yes - the exposed thermal pad (EPAD) on the MIC5302-2.6YMT-TR is internally connected to GND. It must be soldered to a PCB thermal pad tied to the system ground plane to achieve the specified θ_JA = 173°C/W and ensure safe operation at 150mA. Leaving the EPAD unconnected degrades thermal performance and risks thermal shutdown of the MIC5302-2.6YMT-TR under load.

MIC5302-2.6YMT-TR Specifications

Product attributes: Attribute value

Manufacturer:: Microchip Technology

Series:: -

Package/Case:: 4-UFDFN Exposed Pad, 4-TMLF®

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):: 0.1V @ 150mA

Current - Output:: 150mA

Current - Quiescent (Iq):: 120 µA

Current - Supply (Max):: -

PSRR:: 65dB ~ 42dB (1kHz ~ 20kHz)

Control Features:: Enable

Protection Features:: Over Current, Over Temperature

Operating Temperature:: -40°C ~ 125°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 4-TMLF® (1.2x1.6)

MIC5302-2.6YMT-TR FAQ

1.How can I place an order for MIC5302-2.6YMT-TR through Aetrix?

Please submit a Request for Quotation (RFQ) for MIC5302-2.6YMT-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 MIC5302-2.6YMT-TR reliable?

The price and inventory of MIC5302-2.6YMT-TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MIC5302-2.6YMT-TR is usually 5 days.

3.What payment methods are accepted for MIC5302-2.6YMT-TR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MIC5302-2.6YMT-TR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MIC5302-2.6YMT-TR?

MIC5302-2.6YMT-TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MIC5302-2.6YMT-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 MIC5302-2.6YMT-TR?

For technical support, including MIC5302-2.6YMT-TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MIC5302-2.6YMT-TR requirements.

6.How does Aetrix verify that MIC5302-2.6YMT-TR is sourced from the original manufacturer or authorized distributors?

All MIC5302-2.6YMT-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 MIC5302-2.6YMT-TR meets industry standards.

7.What is the process for return or replacement of MIC5302-2.6YMT-TR?

All MIC5302-2.6YMT-TR units undergo pre-shipment inspection (PSI). If there is an issue with MIC5302-2.6YMT-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 MIC5302-2.6YMT-TR part is unused and in its original packaging.

Return procedure for MIC5302-2.6YMT-TR:

1.Submit a request within 90 days.

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

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