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Microchip Technology MIC5310-GFYML-TR
- Part No.:
- MIC5310-GFYML-TR
- Manufacturer:
- Microchip Technology
- Package:
- 8-VFDFN Exposed Pad, 8-MLF®
- Datasheet:
-
MIC5310-GFYML-TR.pdf
- Description:
- IC REG LINEAR 1.5V/1.8V 8MLF
- Quantity:
- Payment:
- Shipping:
Inventory:5,085
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Product details
Overview
MIC5310-GFYML-TR from Micrel is a dual-channel ultra-low dropout (ULDO™) linear regulator delivering 150mA per channel with fixed 2.8V/1.5V outputs in an 8-pin 2mm × 2mm MLF® package. It features 35mV dropout at 150mA, 70dB PSRR at 1kHz, and 30µVRMS output noise-enabling clean power for RF-sensitive camera modules and imaging sensors in portable media devices.
For engineers reviewing the MIC5310-GFYML-TR datasheet, MIC5310-GFYML-TR pinout, MIC5310-GFYML-TR application, or MIC5310-GFYML-TR equivalent, key selection criteria include dual independent enable control (EN1/EN2), µCap stability with 1µF ceramic output capacitors, thermal shutdown protection, and operation across –40°C to +125°C junction temperature.
Technical Context
The MIC5310-GFYML-TR integrates two independent CMOS-based ULDO regulators sharing a common input (VIN) and ground (GND), each with dedicated active-high enable inputs (EN1, EN2) and output pins (VOUT1, VOUT2). Its internal reference bypass (BYP) pin supports 0.1µF capacitor connection to reduce output noise by stabilizing the bandgap reference.
It employs a high-bandwidth error amplifier enabling fast load transient response and 30µs startup time with 1µF output capacitance. The device maintains regulation down to zero load and draws only 75µA quiescent current per enabled output-critical for battery-powered systems requiring low standby power.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output voltages | 2.8V (VOUT1) and 1.5V (VOUT2), fixed-enables simultaneous powering of core logic and I/O or sensor analog rails. |
| Dropout voltage | 35mV @ 150mA-allows operation with minimal VIN–VOUT margin, e.g., 2.85V input sustains 2.8V output under full load. |
| PSRR | >70dB @ 1kHz-rejects switching noise from upstream DC/DC converters feeding noisy system rails. |
| Output noise | 30µVRMS (10Hz–100kHz)-meets stringent noise requirements for CMOS image sensors and RF front-ends. |
| Input voltage range | 2.3V to 5.5V-supports single-cell Li-ion (2.7–4.2V), 3.3V system rails, and dual-cell alkaline inputs. |
| Quiescent current | 75µA per enabled output-minimizes battery drain during partial-system sleep modes. |
| Enable logic | Active-high EN1/EN2 with 1.1V min VIH-compatible with 1.8V and 3.3V GPIO without level shifting. |
Pinout & Package
Package: 8-pin 2mm × 2mm leadless MLF® (MicroLeadFrame) with exposed thermal pad (EP) - RoHS-compliant, NiPdAu lead finish, halogen-free mold compound. Thermal resistance θJA = 90°C/W on minimum footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Supply input | Common input for both LDOs; requires 1µF ceramic bypass to GND for stability and noise suppression. |
| GND | Ground reference | Primary return path; must be connected to EP (exposed pad) for optimal thermal and electrical performance. |
| BYP | Reference bypass | Connects to 0.1µF capacitor to GND to reduce output noise and improve PSRR at high frequencies. |
| EN2 | Enable for LDO2 | Active-high control for 1.5V output; floating prohibited-tie to GND or host GPIO for sequencing. |
| EN1 | Enable for LDO1 | Active-high control for 2.8V output; enables independent power-up/down of dual rails. |
| NC | No connect | Not internally bonded-must remain unconnected; no routing or copper fill required. |
| VOUT2 | LDO2 output | Delivers regulated 1.5V; requires ≥1µF ceramic output capacitor for stability and transient response. |
| VOUT1 | LDO1 output | Delivers regulated 2.8V; decoupling capacitor placement directly at pin minimizes ESR-induced noise. |
Key Features
| Feature | Design Value |
|---|---|
| µCap stability | Stable with only 1µF ceramic output capacitors-reduces BOM count, PCB area, and cost vs. traditional LDOs requiring ≥10µF. |
| Dual independent enable | EN1 and EN2 allow precise power sequencing-e.g., enable 1.5V rail before 2.8V for sensor initialization or avoid back-powering. |
| Zero-load regulation | Maintains output voltage accuracy even with no load-essential for keeping CMOS RAM or real-time clocks alive during deep sleep. |
| Thermal shutdown | Protects against sustained overload or poor heatsinking-latches off until VIN is cycled or temperature drops below threshold. |
| Low-noise BYP pin | 0.1µF bypass capacitor reduces broadband output noise by >50%-critical for analog signal chains in camera modules. |
Applications
| Mobile Phone Camera Module | Portable Media Player SoC Power |
|---|---|
Use Scenario: Dual-rail power for CMOS image sensor (1.5V analog, 2.8V digital I/O) in smartphone rear cameras. IC Role / Device Role / Timing Role: Provides isolated, low-noise, sequenced voltage rails-LDO1 powers digital interface, LDO2 supplies analog pixel array. Use Value: 30µVRMS noise prevents fixed-pattern noise in captured images; 35mV dropout extends battery life during flash illumination bursts. |
Use Scenario: Powering application processor cores (2.8V) and memory I/O (1.5V) in MP3 players with Li-ion battery input. IC Role / Device Role / Timing Role: Delivers tightly regulated, independently controllable rails-EN1/EN2 enable dynamic voltage scaling and selective subsystem shutdown. Use Value: 75µA/quiescent current per rail minimizes standby drain; µCap design eliminates bulk tantalum capacitors for thinner form factors. |
| Digital Still Camera Sensor Interface | GPS Receiver Baseband IC |
Use Scenario: Supplying image sensor and ISP (image signal processor) in compact digital cameras with 3.3V system rail. IC Role / Device Role / Timing Role: Generates clean 2.8V (sensor digital) and 1.5V (ISP core) from shared 3.3V input-BYP pin suppresses switching noise coupling. Use Value: 70dB PSRR at 1kHz rejects noise from 3.3V DC/DC converter; fast 30µs startup enables instant-on camera functionality. |
Use Scenario: Powering GPS baseband ASIC requiring separate low-noise 1.5V core and 2.8V RF interface supply. IC Role / Device Role / Timing Role: Dual ULDO replaces discrete regulators-EN2 powers RF section only during satellite acquisition, reducing average current draw. Use Value: Independent enable control cuts GPS receiver idle current by >90%; 35mV dropout allows use of lower-input-voltage PMICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-output LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Torex XC6223D2815MR-G | Same 2.8V/1.5V dual output, but 250mA per channel and 150mV dropout @ 250mA-higher current capability at cost of higher dropout and larger 1.2mm × 1.6mm DFN package. | Supports higher-current sensors or processors; less suitable for ultra-low-noise imaging due to 55µVRMS noise (vs. 30µVRMS). | Select when load current exceeds 150mA per rail or when smaller footprint is critical-XC6223 uses 6-pin DFN vs. 8-pin MLF. |
| Analog Devices ADP5070ACPZ-2-R7 | Combines dual LDOs (300mA each) with integrated boost converter-adds complexity and 2.5MHz switching noise; LDOs offer ±1% accuracy vs. ±2% for MIC5310-GFYML-TR. | Used where input voltage may fall below 2.3V (e.g., aging batteries); unsuitable for noise-sensitive RF/camera apps without extra filtering. | Choose only if input undervoltage tolerance is required; otherwise, MIC5310-GFYML-TR provides superior noise/PSRR in simpler, lower-cost solution. |
Compared with XC6223D2815MR-G and ADP5070ACPZ-2-R7, the MIC5310-GFYML-TR delivers best-in-class noise performance and lowest dropout in its class-making it optimal for space-constrained, battery-powered imaging systems where signal integrity outweighs raw current capacity or input flexibility.
Availability
MIC5310-GFYML-TR is available at Aetrix Electronics and suitable for mobile phone camera modules, portable media players, and GPS receivers requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for MIC5310-GFYML-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 power management, timing, and interface ICs before its acquisition by Microchip Technology in 2015. Known for high-performance analog solutions and robust industrial-grade reliability.
The MIC5310-GFYML-TR belongs to Micrel's µCap ULDO family-designed specifically for portable electronics demanding ultra-low noise, minimal board space, and seamless integration with ceramic capacitors in compact MLF packages.
FAQ
What are the exact output voltages provided by the MIC5310-GFYML-TR?
The MIC5310-GFYML-TR delivers precisely 2.8V on VOUT1 and 1.5V on VOUT2-fixed values confirmed in Micrel's ordering information table. Output voltage accuracy is ±2% over room temperature and ±3% across –40°C to +125°C junction range, verified per Electrical Characteristics table.
Does the MIC5310-GFYML-TR require external capacitors for stability?
Yes-the MIC5310-GFYML-TR requires a 1µF ceramic capacitor on each output (VOUT1, VOUT2) and a 1µF ceramic capacitor on VIN to GND. A 0.1µF capacitor on BYP to GND is optional but recommended to achieve the specified 30µVRMS noise performance.
Can the MIC5310-GFYML-TR operate with zero load on either output?
Yes-the MIC5310-GFYML-TR remains stable and in regulation with no load on either output, a feature explicitly documented in the Applications Information section. This makes it suitable for applications like CMOS RAM keep-alive circuits where one rail may be idle while the other is active.
What is the thermal performance limit of the MIC5310-GFYML-TR in its MLF package?
The MIC5310-GFYML-TR has a junction-to-ambient thermal resistance (θJA) of 90°C/W on minimum footprint. At 150mA per output with 2.8V/1.5V outputs and 3.3V input, calculated power dissipation is 0.345W-allowing a maximum ambient temperature of 93.95°C before thermal shutdown activates.
How does the BYP pin function in the MIC5310-GFYML-TR?
The BYP pin connects to the internal voltage reference node. Adding a 0.1µF capacitor from BYP to GND reduces output voltage noise and improves PSRR-particularly above 10kHz. The MIC5310-GFYML-TR includes a quick-start circuit that prevents significant turn-on delay even with this bypass capacitor installed.
MIC5310-GFYML-TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 8-VFDFN Exposed Pad, 8-MLF®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 2
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 1.5V, 1.8V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.1V @ 150mA, 0.1V @ 150mA
- Current - Output:
- 150mA, 150mA
- Current - Quiescent (Iq):
- 120 µA
- Current - Supply (Max):
- 190 µA
- PSRR:
- 70dB ~ 65dB (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:
- 8-MLF® (2x2)
MIC5310-GFYML-TR FAQ
1.How can I place an order for MIC5310-GFYML-TR through Aetrix?
Please submit a Request for Quotation (RFQ) for MIC5310-GFYML-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 MIC5310-GFYML-TR reliable?
The price and inventory of MIC5310-GFYML-TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MIC5310-GFYML-TR is usually 5 days.
3.What payment methods are accepted for MIC5310-GFYML-TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MIC5310-GFYML-TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MIC5310-GFYML-TR?
MIC5310-GFYML-TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MIC5310-GFYML-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 MIC5310-GFYML-TR?
For technical support, including MIC5310-GFYML-TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MIC5310-GFYML-TR requirements.
6.How does Aetrix verify that MIC5310-GFYML-TR is sourced from the original manufacturer or authorized distributors?
All MIC5310-GFYML-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 MIC5310-GFYML-TR meets industry standards.
7.What is the process for return or replacement of MIC5310-GFYML-TR?
All MIC5310-GFYML-TR units undergo pre-shipment inspection (PSI). If there is an issue with MIC5310-GFYML-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 MIC5310-GFYML-TR part is unused and in its original packaging.
Return procedure for MIC5310-GFYML-TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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