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Microchip Technology MIC5302-2.8YMT-TR
- Part No.:
- MIC5302-2.8YMT-TR
- Manufacturer:
- Microchip Technology
- Package:
- 4-UFDFN Exposed Pad, 4-TMLF®
- Datasheet:
-
MIC5302-2.8YMT-TR.pdf
- Description:
- IC REG LINEAR 2.8V 150MA 4TMLF
- Quantity:
- Payment:
- Shipping:
Inventory:1,370
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Product details
Overview
MIC5302-2.8YMT-TR from Micrel is a 150mA ultra-low dropout (ULDO™) CMOS linear regulator delivering a fixed 2.8V output with ±2% initial accuracy, 50mV dropout at 150mA load, and 120µVRMS output noise - optimized for RF power stages in cellular handsets and imaging sensors in digital cameras where board area and low-noise biasing are critical.
For engineers reviewing the MIC5302-2.8YMT-TR datasheet, MIC5302-2.8YMT-TR pinout, MIC5302-2.8YMT-TR application, or MIC5302-2.8YMT-TR equivalent, key selection criteria include its 1.2mm × 1.6mm Thin MLF® package footprint, zero-off-mode shutdown current (<2µA), thermal/current protection, and guaranteed stability with 1µF ceramic output capacitors.
Technical Context
The MIC5302-2.8YMT-TR implements a CMOS-based LDO architecture with an internal error amplifier, reference voltage generator, and quick-start circuitry enabling 35µs turn-on time. Its ground current remains stable at 85µA across 0–150mA load, supporting ultra-low-power always-on functions.
It features active-high enable control with logic thresholds of VIL ≤ 0.2V and VIH ≥ 1.1V, integrated thermal shutdown and current limiting (250–725mA), and operates across –40°C to +125°C junction temperature with θJA = 173°C/W in its 4-pin Thin MLF® package.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 2.8V ±2% initial accuracy - ensures precise biasing for 2.8V camera sensors and RF ICs without external feedback. |
| Max Output Current | 150mA guaranteed - sufficient for powering baseband processors, image signal processors (ISPs), or RF front-end modules. |
| Dropout Voltage | 50mV at 150mA - enables operation with only 2.85V input, critical for battery-powered systems near end-of-discharge. |
| Output Noise | 120µVRMS (10Hz–100kHz) - minimizes phase noise injection into sensitive RF receivers and analog sensor chains. |
| Quiescent Current | 85µA total - supports long standby life in portable devices; drops to <2µA in shutdown mode. |
| Input Voltage Range | 2.3V to 5.5V - compatible with single-cell Li-ion (2.7–4.2V), Li-polymer, and regulated 3.3V/5V rails. |
| Enable Logic | Active-high EN with 0.2V/1.1V thresholds - interfaces directly with GPIOs or PMIC enable outputs without level-shifting. |
Pinout & Package
The MIC5302-2.8YMT-TR is housed in a Pb-free, 4-pin 1.2mm × 1.6mm Thin MLF® (MicroLeadFrame) package with exposed thermal pad (EPAD) internally connected to GND. Total PCB footprint is 1.92mm² - 50% smaller than SC-70 and 2mm × 2mm MLF® alternatives.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - EN | Enable input | CMOS-compatible active-high control; must be pulled high (>1.1V) to activate regulator; floating state is undefined. |
| 2 - GND | Ground reference | Primary return path for load and quiescent current; connects to EPAD for thermal conduction. |
| 3 - VIN | Input supply | Accepts 2.3–5.5V; requires 1µF low-ESR ceramic bypass capacitor placed adjacent to pin. |
| 4 - VOUT | Regulated output | Delivers stable 2.8V; requires ≥1µF X7R/X5R ceramic capacitor for stability; no-load operation supported. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-small footprint | 1.2mm × 1.6mm Thin MLF® package occupies only 1.92mm² - enables placement in tight RF module layouts and camera flex circuits. |
| Zero-off-mode shutdown | Draws <2µA when EN = low - eliminates battery drain during sleep modes in mobile phones and PMPs. |
| Ceramic-capacitor stability | Stable with ≥1µF X7R/X5R ceramic output caps - avoids tantalum or electrolytic components, reducing BOM cost and height. |
| Low-noise regulation | 120µVRMS output noise - preserves SNR in analog front-ends of image sensors and GPS receivers. |
| Fast turn-on response | 35µs typical startup time - meets timing requirements for burst-mode camera activation and RF power amplifier sequencing. |
Applications
| Cellular Phone RF Power Stage | Digital Camera Image Sensor Bias |
|---|---|
Use Scenario: Powers RF power amplifier (PA) bias rails in GSM/UMTS/LTE handsets operating from single-cell Li-ion batteries. IC Role / Device Role / Timing Role: Low-noise, fast-response LDO supplying clean 2.8V to PA collector/drain while rejecting switching noise from DC-DC converters. Use Value: 50mV dropout extends talk time by enabling operation down to 2.85V input; 120µVRMS noise prevents EVM degradation in transmit paths. |
Use Scenario: Provides precision 2.8V bias to CMOS image sensors (CIS) in smartphone rear/front cameras and action cams. IC Role / Device Role / Timing Role: Stable, low-noise voltage source for analog pixel array and ADC reference, synchronized with frame capture timing. Use Value: ±2% output accuracy maintains consistent sensor gain calibration; zero-off-mode reduces standby current during preview mode. |
| Portable Media Player Audio Codec | GPS Receiver Front-End |
Use Scenario: Supplies 2.8V to stereo audio codecs and DACs in PMPs and Bluetooth headphones requiring low THD+N performance. IC Role / Device Role / Timing Role: Clean post-regulator for audio signal chain - decouples codec from noisy system DC-DC supplies. Use Value: 120µVRMS noise floor ensures >95dB SNR; 85µA quiescent current extends playback duration on small Li-polymer cells. |
Use Scenario: Powers low-noise amplifier (LNA) and mixer stages in compact GPS/GNSS receivers embedded in wearables and asset trackers. IC Role / Device Role / Timing Role: Ultra-low-noise LDO isolating RF front-end from digital baseband noise sources. Use Value: High PSRR (65dB @ 1kHz) suppresses digital switching interference; 1.2mm × 1.6mm size fits within constrained GNSS module footprints. |
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 |
|---|---|---|---|
| Torex XC6206P282MR | 150mA, 2.8V, 120µVRMS, but 250mV dropout at 150mA and SOT-23-5 package (3.0mm²) | Larger footprint and higher dropout limit use in deep-discharge battery scenarios | Select when SOT-23 assembly infrastructure exists and 250mV dropout is acceptable. |
| Richtek RT9013-28GB | 200mA, 2.8V, 45µVRMS, 200mV dropout at 200mA, SOT-23-5 package | Lower noise but larger size and higher dropout; lacks zero-off-mode (<1µA shutdown) | Prefer for ultra-low-noise audio applications where footprint is secondary to noise performance. |
Compared with XC6206P282MR and RT9013-28GB, the MIC5302-2.8YMT-TR uniquely combines sub-1mm² footprint, 50mV dropout, and true zero-current shutdown - making it optimal for space-constrained, battery-sensitive RF and imaging subsystems.
Availability
MIC5302-2.8YMT-TR is available at Aetrix Electronics and suitable for cellular phone RF modules, digital camera image sensors, portable media player audio subsystems, and GPS receiver front-ends requiring stable component supply across production lifecycles.
Supply support for MIC5302-2.8YMT-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. It pioneered high-performance ULDO regulators for portable electronics.
The MIC5302-2.8YMT-TR belongs to Micrel's ULDO™ family, designed specifically for space- and noise-constrained portable applications including cellular RF, camera modules, and handheld imaging systems.
FAQ
What is the maximum input voltage rating for the MIC5302-2.8YMT-TR?
The MIC5302-2.8YMT-TR has an absolute maximum input voltage of +6V, but its recommended operating range is +2.3V to +5.5V. Exceeding 5.5V may trigger internal protection or cause permanent damage. For reliable operation in 5V systems, ensure transient spikes remain below 6V - a 6.3V-rated input capacitor is advised.
Does the MIC5302-2.8YMT-TR require an external pull-up resistor on the EN pin?
Yes - the EN pin of the MIC5302-2.8YMT-TR must not be left floating. While it has CMOS input structure, Micrel specifies that a defined logic high (>1.1V) or low (<0.2V) is required. A 100kΩ pull-up to VIN is commonly used to ensure reliable startup; weak pull-ups risk indeterminate output states during power ramp.
Can the MIC5302-2.8YMT-TR operate stably with no load connected to VOUT?
Yes - the MIC5302-2.8YMT-TR is explicitly characterized for no-load stability in its datasheet. Unlike many LDOs, it remains in regulation with zero output current, making it suitable for CMOS RAM keep-alive circuits and always-on sensor bias rails where intermittent loading occurs.
What is the thermal performance of the MIC5302-2.8YMT-TR at full 150mA load?
At 150mA with 3.6V input and 2.8V output, the MIC5302-2.8YMT-TR dissipates ~0.12W. With θJA = 173°C/W and TJ(MAX) = 125°C, the maximum ambient temperature is ~104°C for minimum footprint layouts. Adding copper pour under the EPAD improves thermal margin significantly.
Which ceramic capacitor dielectrics are recommended for the MIC5302-2.8YMT-TR output?
X7R and X5R dielectric ceramic capacitors are recommended for the MIC5302-2.8YMT-TR output. They maintain ≥85% capacitance over –40°C to +125°C, ensuring stability across temperature. Y5V and Z5U types are discouraged due to >50% capacitance loss over temperature, risking instability at extremes.
MIC5302-2.8YMT-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):
- 2.8V
- 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)
MIC5302-2.8YMT-TR FAQ
1.How can I place an order for MIC5302-2.8YMT-TR through Aetrix?
Please submit a Request for Quotation (RFQ) for MIC5302-2.8YMT-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 MIC5302-2.8YMT-TR reliable?
The price and inventory of MIC5302-2.8YMT-TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MIC5302-2.8YMT-TR is usually 5 days.
3.What payment methods are accepted for MIC5302-2.8YMT-TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MIC5302-2.8YMT-TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MIC5302-2.8YMT-TR?
MIC5302-2.8YMT-TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MIC5302-2.8YMT-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 MIC5302-2.8YMT-TR?
For technical support, including MIC5302-2.8YMT-TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MIC5302-2.8YMT-TR requirements.
6.How does Aetrix verify that MIC5302-2.8YMT-TR is sourced from the original manufacturer or authorized distributors?
All MIC5302-2.8YMT-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 MIC5302-2.8YMT-TR meets industry standards.
7.What is the process for return or replacement of MIC5302-2.8YMT-TR?
All MIC5302-2.8YMT-TR units undergo pre-shipment inspection (PSI). If there is an issue with MIC5302-2.8YMT-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 MIC5302-2.8YMT-TR part is unused and in its original packaging.
Return procedure for MIC5302-2.8YMT-TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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