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Microchip Technology MIC5392-MGYMT-TR
- Part No.:
- MIC5392-MGYMT-TR
- Manufacturer:
- Microchip Technology
- Package:
- 6-UFDFN Exposed Pad
- Datasheet:
-
MIC5392-MGYMT-TR.pdf
- Description:
- IC REG LINEAR 1.8V/2.8V 6TDFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,869
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Product details
Overview
MIC5392-MGYMT-TR from Micrel is a dual-channel, high-PSRR low-dropout linear regulator delivering 150mA per channel with fixed output voltages of 2.8V and 1.8V. It operates from 2.5V to 5.5V input, achieves ±2% output accuracy, 60dB PSRR at 1kHz, and 155mV dropout at full load - enabling stable power for image sensors and audio codecs in space-constrained portable electronics.
For engineers reviewing the MIC5392-MGYMT-TR datasheet, MIC5392-MGYMT-TR pinout, MIC5392-MGYMT-TR application, or MIC5392-MGYMT-TR equivalent, key selection criteria include independent enable control, µCap stability with 1µF ceramic capacitors, thermal shutdown protection, and compatibility with 1.2mm × 1.2mm Thin DFN footprint in high-density mobile PCB layouts.
Technical Context
The MIC5392-MGYMT-TR integrates two independent CMOS-based LDO regulators sharing a common input (VIN) and ground (GND), each with dedicated active-high enable pins (EN1/EN2) and output terminals (VOUT1/VOUT2). Its architecture supports simultaneous or staggered activation, zero-load stability, and no external bypass capacitor requirement due to >60dB PSRR up to 1kHz.
Thermal performance is defined by θJA = 173°C/W in the 6-pin 1.2mm × 1.2mm Thin DFN package, with internal current limiting (200–550mA) and thermal shutdown protecting against sustained overload. Ground current remains ≤57µA under full dual-output operation, supporting ultra-low-quiescent-power system states.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltages | 2.8V (VOUT1) and 1.8V (VOUT2) - fixed, non-adjustable; enables direct powering of DSP cores and I/O interfaces without external feedback networks. |
| Max Output Current | 150mA per channel - sufficient for camera sensor analog front-ends and audio codec bias rails in smartphones and tablets. |
| Dropout Voltage | 155mV at 150mA - allows operation with minimal headroom (e.g., 3.0V input → 2.8V output), preserving battery runtime in 3.3V/2.8V systems. |
| PSRR | 60dB at 1kHz - suppresses switching noise from PMICs or DC-DC converters, eliminating need for additional LC filtering on sensitive analog supplies. |
| Output Capacitor | Stable with ≥1µF ceramic (X5R/X7R) - reduces BOM count and board area versus traditional LDOs requiring 10–22µF tantalum. |
| Quiescent Current | 32µA per LDO - ensures negligible standby drain when one or both regulators are enabled but unloaded. |
| Accuracy | ±2% initial, ±3% over –40°C to +125°C - meets tight tolerance requirements for precision analog circuitry like ADC references and PLL VCO supplies. |
Pinout & Package
Package: 6-pin 1.2mm × 1.2mm Thin DFN (MT), 0.4mm height, RoHS-compliant NiPdAu lead finish, exposed ePad for thermal conduction to PCB ground plane.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - VOUT1 | Regulator 1 output | Delivers regulated 2.8V; requires ≥1µF ceramic capacitor to GND for stability and transient response. |
| 2 - VOUT2 | Regulator 2 output | Delivers regulated 1.8V; independently controllable; shares no internal circuitry with VOUT1. |
| 3 - GND | Power and signal reference | Common return path for both LDOs and ePad; must be low-impedance connection to minimize noise coupling. |
| 4 - EN2 | Active-high enable for Regulator 2 | Logic high (≥1.2V) enables 1.8V output; logic low (≤0.2V) disables output and reduces ground current to <1µA. |
| 5 - VIN | Input supply rail | Accepts 2.5–5.5V; requires ≥1µF ceramic capacitor to GND close to pin for high-frequency decoupling. |
| 6 - EN1 | Active-high enable for Regulator 1 | Independent control of 2.8V rail; enables sequencing (e.g., power VOUT2 before VOUT1) without external logic. |
| ePad | Thermal pad / GND extension | Must be soldered to solid GND copper pour; primary thermal path - accounts for >90% of heat dissipation capability. |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent LDOs | Enables separate power domains for mixed-signal SoCs - e.g., 2.8V for CIS analog block, 1.8V for digital interface - with no cross-regulation. |
| µCap architecture | Guarantees stability with only 1µF ceramic output capacitors, reducing total solution size by >50% vs. legacy LDOs requiring 10–22µF. |
| High PSRR (>60dB @ 1kHz) | Rejects ripple from noisy switchers (e.g., buck converters powering baseband ICs), preventing audible noise in audio codecs and image artifacts in sensors. |
| Independent enable inputs | Supports dynamic power gating - e.g., disable 1.8V rail during camera idle mode while keeping 2.8V active for sensor bias - cutting system quiescent current. |
| Thermal & current protection | Integrated thermal shutdown and foldback current limiting prevent damage during short-circuit or overtemperature events without external components. |
Applications
| Smartphone Camera Modules | Audio Codec Power Rails |
|---|---|
|
Use Scenario: Dual-rail power delivery to CMOS image sensor with analog (2.8V) and digital I/O (1.8V) sections. IC Role / Device Role / Timing Role: Primary voltage regulator providing clean, sequenced, and independently controllable power to sensor sub-blocks. Use Value: Eliminates need for discrete regulators or ferrite-bead filters; 60dB PSRR prevents switching noise from corrupting analog pixel data. |
Use Scenario: Dedicated low-noise supply for stereo audio DAC/ADC in portable media players. IC Role / Device Role / Timing Role: Low-noise LDO supplying reference and bias voltages to audio conversion circuitry. Use Value: 100µVRMS output noise and 1µF-stable operation ensure THD+N < –95dB, meeting Hi-Fi audio specifications. |
| Tablet PC Core Logic | GPS/PDA RF Front-End Bias |
|
Use Scenario: Powering low-voltage I/O banks and auxiliary logic in ARM-based tablet SoCs. IC Role / Device Role / Timing Role: Secondary LDO generating 1.8V I/O rail from main 3.3V system rail, with fast turn-on (<125µs). Use Value: Independent EN1/EN2 allows synchronized or staggered power-up with SoC reset signals, avoiding bus contention during boot. |
Use Scenario: Providing stable bias to GPS receiver LNA and mixer stages in handheld navigation devices. IC Role / Device Role / Timing Role: Noise-suppressing regulator isolating RF analog circuitry from digital supply noise. Use Value: 155mV dropout enables use with single-cell Li-ion (3.0–3.6V), maintaining regulation down to 2.95V input while rejecting baseband interference. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-LDO applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MIC5392-PMYMT-TR | Fixed 3.0V/2.8V outputs; identical package, pinout, and specs except output voltages. | Suitable for systems requiring higher core voltage (3.0V) paired with 2.8V peripheral rail - e.g., older baseband processors. | Select when matching specific SoC voltage requirements; not interchangeable with MIC5392-MGYMT-TR due to different VOUT1/VOUT2 values. |
| Torex XC6210B2818MR-G | Dual 150mA LDO in 1.2mm × 1.2mm DFN; ±2% accuracy; 60dB PSRR; but only one enable pin shared across both outputs. | Lacks independent enable control - limits power sequencing flexibility in multi-rail sensor modules. | Choose for cost-sensitive designs where simultaneous enable/disable suffices and 2.8V/1.8V match is required. |
Compared with MIC5392-PMYMT-TR, MIC5392-MGYMT-TR provides optimal voltage pairing for modern image sensors (2.8V analog + 1.8V digital I/O), while differing from XC6210B2818MR-G by offering per-channel enable control essential for dynamic power management in camera subsystems.
Availability
MIC5392-MGYMT-TR is available at Aetrix Electronics and suitable for smartphone camera modules, portable audio codecs, and tablet PC I/O power applications requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for MIC5392-MGYMT-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 (now part of Microchip Technology) was a leading designer of high-performance analog, power management, and timing ICs, with expertise in low-noise LDOs and compact packaging for portable electronics.
The MIC5392 family targets space-constrained, battery-powered applications demanding dual-rail, low-noise, and low-quiescent-power regulation - especially camera modules, audio subsystems, and handheld computing peripherals.
FAQ
What are the exact output voltages of the MIC5392-MGYMT-TR?
The MIC5392-MGYMT-TR delivers fixed 2.8V on VOUT1 and 1.8V on VOUT2. These values are laser-trimmed during manufacturing and specified with ±2% initial accuracy across temperature and load. The marking code "RD" on the device surface confirms this 2.8V/1.8V configuration per the official Micrel ordering table.
Does the MIC5392-MGYMT-TR require external capacitors, and what type is recommended?
Yes, the MIC5392-MGYMT-TR requires a 1µF ceramic capacitor on VIN and one on each VOUT (VOUT1 and VOUT2). X5R or X7R dielectric types are explicitly recommended in the datasheet for stability and temperature performance; Y5V dielectrics are discouraged due to excessive capacitance loss over temperature.
Can both regulators in the MIC5392-MGYMT-TR be enabled or disabled independently?
Yes - the MIC5392-MGYMT-TR features two dedicated active-high enable pins: EN1 controls VOUT1 (2.8V), and EN2 controls VOUT2 (1.8V). Each pin accepts standard CMOS logic levels (VIH ≥ 1.2V, VIL ≤ 0.2V), and neither may be left floating to avoid indeterminate output states.
What is the thermal performance of the MIC5392-MGYMT-TR in its 1.2mm × 1.2mm Thin DFN package?
The MIC5392-MGYMT-TR has a junction-to-ambient thermal resistance (θJA) of 173°C/W in the 6-pin 1.2mm × 1.2mm Thin DFN (MT) package. With proper PCB layout - including soldered ePad connected to a large GND plane - it sustains 150mA per channel continuously at ambient temperatures up to 89°C when VIN = 3.6V.
Is the MIC5392-MGYMT-TR pin-compatible with the MIC5393 series?
No - while the MIC5392-MGYMT-TR and MIC5393 share identical pinout and package, the MIC5393 includes an internal 25Ω auto-discharge FET on each output activated during shutdown, whereas the MIC5392-MGYMT-TR lacks this feature. This functional difference means they are not drop-in replacements despite mechanical compatibility.
MIC5392-MGYMT-TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 6-UFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 2
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 1.8V, 2.8V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.31V @ 150mA, 0.31V @ 150mA
- Current - Output:
- 150mA, 150mA
- Current - Quiescent (Iq):
- 45 µA
- Current - Supply (Max):
- 85 µA
- PSRR:
- 60dB (1kHz)
- 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-TDFN (1.2x1.2)
MIC5392-MGYMT-TR FAQ
1.How can I place an order for MIC5392-MGYMT-TR through Aetrix?
Please submit a Request for Quotation (RFQ) for MIC5392-MGYMT-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 MIC5392-MGYMT-TR reliable?
The price and inventory of MIC5392-MGYMT-TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MIC5392-MGYMT-TR is usually 5 days.
3.What payment methods are accepted for MIC5392-MGYMT-TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MIC5392-MGYMT-TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MIC5392-MGYMT-TR?
MIC5392-MGYMT-TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MIC5392-MGYMT-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 MIC5392-MGYMT-TR?
For technical support, including MIC5392-MGYMT-TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MIC5392-MGYMT-TR requirements.
6.How does Aetrix verify that MIC5392-MGYMT-TR is sourced from the original manufacturer or authorized distributors?
All MIC5392-MGYMT-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 MIC5392-MGYMT-TR meets industry standards.
7.What is the process for return or replacement of MIC5392-MGYMT-TR?
All MIC5392-MGYMT-TR units undergo pre-shipment inspection (PSI). If there is an issue with MIC5392-MGYMT-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 MIC5392-MGYMT-TR part is unused and in its original packaging.
Return procedure for MIC5392-MGYMT-TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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