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Microchip Technology MIC5370-MGYMT-TR
- Part No.:
- MIC5370-MGYMT-TR
- Manufacturer:
- Microchip Technology
- Package:
- 6-UFDFN Exposed Pad, 6-TMLF®
- Datasheet:
-
MIC5370-MGYMT-TR.pdf
- Description:
- IC REG LINEAR 1.8V/2.8V 6TMLF
- Quantity:
- Payment:
- Shipping:
Inventory:4,915
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Product details
Overview
MIC5370-MGYMT-TR from Micrel is a dual-output, high-performance LDO regulator delivering 150mA per channel with fixed 2.8V and 1.8V outputs in a 6-pin 1.6mm × 1.6mm Thin MLF® package. It features ±2% initial output accuracy, 155mV dropout at full load (150mA), and ultra-low ground current (32µA per LDO), enabling efficient power management in space-constrained portable electronics such as camera phones and handheld GPS devices.
For engineers reviewing the MIC5370-MGYMT-TR datasheet, MIC5370-MGYMT-TR pinout, MIC5370-MGYMT-TR application, or MIC5370-MGYMT-TR equivalent, key selection criteria include independent active-high enable control, stability with 1µF ceramic output capacitors, thermal-shutdown and current-limit protection, and compatibility with battery-powered systems requiring dual low-noise rails.
Technical Context
The MIC5370-MGYMT-TR integrates two fully independent CMOS-based LDO regulators sharing only the VIN and GND connections. Each regulator employs precision bandgap reference and error amplifier architecture to maintain tight output regulation across line (2.5V–5.5V VIN), load (0–150mA), and temperature (–40°C to +125°C) variations.
Its design supports fast transient response and 60dB PSRR at 1kHz while operating with minimal quiescent current. The device lacks auto-discharge circuitry - a feature exclusive to the MIC5371 variant - confirming MIC5370-MGYMT-TR is intended for applications where controlled output discharge is not required.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltages | 2.8V (LDO1) and 1.8V (LDO2) - fixed, non-adjustable outputs optimized for core/DSP and I/O rail separation. |
| Max Output Current | 150mA per channel - supports simultaneous dual-rail loads without derating in ambient ≤89.9°C (at VIN=3.6V). |
| Dropout Voltage | 155mV at 150mA - enables operation with <300mV headroom, critical for Li-ion battery discharge down to ~2.8V. |
| Output Accuracy | ±2% initial, ±3% over –40°C to +125°C - ensures reliable logic-level compliance for 1.8V/2.8V interfaces. |
| Ground Current | 32µA per LDO (typ.) - minimizes standby power loss in always-on subsystems like RTC or sensor hubs. |
| PSRR | 60dB at 1kHz - suppresses switching noise from upstream DC/DC converters feeding VIN. |
| Stability | Guaranteed with ≥1µF X5R/X7R ceramic output capacitors - eliminates need for bulk electrolytics or external compensation. |
Pinout & Package
Package: 6-pin 1.6mm × 1.6mm Thin MLF® (MT) with exposed thermal pad (internally connected to GND). RoHS-compliant, halogen-free mold compound, NiPdAu lead finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - VIN | Supply Input | Common input for both LDOs; must be decoupled with ≥1µF ceramic capacitor to GND. |
| 2 - GND | Ground Reference | Power and signal return; connects internally to exposed thermal pad for enhanced thermal performance. |
| 3 - EN2 | Enable Input (LDO2) | Active-high digital control (VIH ≥ 1.2V); floating prohibited - requires pull-down or MCU GPIO. |
| 4 - EN1 | Enable Input (LDO1) | Independent active-high enable for 2.8V rail; allows staggered power-up or dynamic rail shutdown. |
| 5 - VOUT2 | LDO2 Output | Regulated 1.8V supply; no internal discharge path - external bleeder required if fast turn-off needed. |
| 6 - VOUT1 | LDO1 Output | Regulated 2.8V supply; stable under no-load conditions - suitable for CMOS RAM keep-alive circuits. |
Key Features
| Feature | Design Value |
|---|---|
| Independent dual enable control | EN1 and EN2 allow sequenced or isolated activation of 2.8V and 1.8V rails - essential for SoC power sequencing. |
| Low-noise regulation | 200µVRMS output noise (10Hz–100kHz) - preserves signal integrity in analog front-ends and RF receivers. |
| Thermal & current protection | Integrated thermal shutdown and foldback current limiting - prevents damage during overload or PCB thermal overload. |
| Zero-off-mode current | ≤1µA total shutdown current (0.05µA typical per enable pin) - extends battery life in deep-sleep states. |
| Small-footprint stability | Operates reliably with 1µF ceramic output caps - reduces BOM count and board area vs. legacy LDOs requiring 10µF+. |
Applications
| Camera Module Power | Mobile Baseband Core |
|---|---|
Use Scenario: Dual-rail power for CMOS image sensor (2.8V AVDD) and ISP/DSP core (1.8V DVDD) in smartphone camera modules. IC Role / Device Role / Timing Role: Provides low-noise, independently enabled 2.8V and 1.8V supplies with fast turn-on (<125µs) for frame-triggered sensor activation. Use Value: Eliminates need for discrete LDOs or ferrite-bead filtering; 60dB PSRR blocks DC/DC switching noise from corrupting image data. | Use Scenario: Powering application processor I/O banks (2.8V) and core logic (1.8V) in entry-level mobile handsets. IC Role / Device Role / Timing Role: Delivers tightly regulated, thermally robust dual rails with independent enable for power-state transitions (active/sleep). Use Value: ±2% accuracy ensures reliable interface timing margins; 155mV dropout extends usable battery range by >15 minutes at end-of-discharge. |
| GPS Receiver Front-End | Portable Media Player Audio |
Use Scenario: Supplying RF frontend (2.8V LNA/VCO) and baseband ASIC (1.8V digital core) in standalone GPS PMP units. IC Role / Device Role / Timing Role: Low-noise 1.8V rail powers sensitive ADCs and PLLs; 2.8V rail drives RF amplifiers with minimal supply-induced phase noise. Use Value: 200µVRMS noise and 60dB PSRR prevent degradation of GPS C/N₀ ratio; small 1.6mm² footprint saves space on compact RF modules. | Use Scenario: Powering audio codec (2.8V analog section) and DSP (1.8V core) in flash-based portable media players. IC Role / Device Role / Timing Role: Enables independent shutdown of DSP during pause mode while maintaining codec bias (2.8V always-on). Use Value: 32µA/LDO quiescent current minimizes standby drain; no-load stability avoids brownout during rapid playback start/stop cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-LDO applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MIC5371-MGYMT-TR | Includes auto-discharge circuit (30Ω NFET per output) when disabled; otherwise identical specs and pinout. | Required where rapid output discharge is needed (e.g., to meet USB suspend voltage decay requirements). | Select MIC5371-MGYMT-TR only if output discharge functionality is mandatory; MIC5370-MGYMT-TR offers lower cost and same performance where discharge is handled externally. |
| Torex XC6216D2818MR-G | Same 2.8V/1.8V dual fixed outputs, 150mA/channel, but uses SOT-26 package (2.8mm × 2.9mm) and has higher 250mV dropout. | Acceptable where board space is less constrained and higher dropout is tolerable (e.g., 3.3V input systems). | Choose XC6216D2818MR-G only if Thin MLF® package compatibility is not required and larger footprint is acceptable. |
Compared with MIC5371-MGYMT-TR, the MIC5370-MGYMT-TR omits auto-discharge but retains identical regulation accuracy, noise, and thermal performance - making it optimal for cost-sensitive, space-constrained designs where external discharge is feasible. Versus Torex XC6216D2818MR-G, MIC5370-MGYMT-TR delivers 40% lower dropout and 44% smaller footprint, directly improving battery runtime and miniaturization.
Availability
MIC5370-MGYMT-TR is available at Aetrix Electronics and suitable for camera modules, mobile baseband subsystems, and GPS receiver designs requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for MIC5370-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 Inc. was a U.S.-based semiconductor company specializing in power management, analog, and mixed-signal ICs before its acquisition by Microchip Technology in 2015.
The MIC5370 family was designed specifically for ultra-compact, dual-rail power delivery in battery-powered portable electronics - emphasizing minimal footprint, low quiescent current, and robust protection without external components.
FAQ
What are the exact output voltages of the MIC5370-MGYMT-TR?
The MIC5370-MGYMT-TR provides two fixed, non-adjustable output voltages: 2.8V on VOUT1 (Pin 6) and 1.8V on VOUT2 (Pin 5). These values are laser-trimmed during manufacturing and specified with ±2% initial accuracy across temperature and load, as confirmed in the official Micrel datasheet revision M9999-052011-C.
Does the MIC5370-MGYMT-TR include an auto-discharge function?
No, the MIC5370-MGYMT-TR does not include auto-discharge circuitry. That feature is exclusive to the MIC5371 variant (e.g., MIC5371-MGYMT-TR), which integrates a 30Ω NFET between each output and GND when disabled. The MIC5370-MGYMT-TR requires external discharge paths if rapid output voltage decay is needed after shutdown.
What is the minimum input voltage required for the MIC5370-MGYMT-TR to regulate at full 150mA load?
To sustain 150mA output on both channels while maintaining regulation, the MIC5370-MGYMT-TR requires VIN ≥ VOUT + dropout. With worst-case dropout of 310mV (per datasheet max), minimum VIN is 2.8V + 0.31V = 3.11V for VOUT1 and 1.8V + 0.31V = 2.11V for VOUT2 - so 3.11V governs. Thus, 3.11V is the practical minimum for full-load dual-rail operation.
Can the MIC5370-MGYMT-TR operate stably with no load on either output?
Yes, the MIC5370-MGYMT-TR remains stable and in regulation with zero load on either or both outputs - a key differentiator from many legacy LDOs. This capability is explicitly validated in the datasheet's "No-Load Stability" section and makes MIC5370-MGYMT-TR suitable for always-on backup rails like RTC or memory retention circuits.
What ceramic capacitor dielectric types are recommended for use with the MIC5370-MGYMT-TR?
X5R and X7R dielectric ceramic capacitors are recommended for both input and output decoupling of the MIC5370-MGYMT-TR. These offer stable capacitance over temperature (±15% for X7R), low ESR, and reliable performance. Y5V and Z5U dielectrics are discouraged due to >50% capacitance loss over temperature, risking instability or poor transient response.
MIC5370-MGYMT-TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 6-UFDFN Exposed Pad, 6-TMLF®
- 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):
- 1.8V, 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-TMLF® (1.6x1.6)
MIC5370-MGYMT-TR FAQ
1.How can I place an order for MIC5370-MGYMT-TR through Aetrix?
Please submit a Request for Quotation (RFQ) for MIC5370-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 MIC5370-MGYMT-TR reliable?
The price and inventory of MIC5370-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 MIC5370-MGYMT-TR is usually 5 days.
3.What payment methods are accepted for MIC5370-MGYMT-TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MIC5370-MGYMT-TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MIC5370-MGYMT-TR?
MIC5370-MGYMT-TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MIC5370-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 MIC5370-MGYMT-TR?
For technical support, including MIC5370-MGYMT-TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MIC5370-MGYMT-TR requirements.
6.How does Aetrix verify that MIC5370-MGYMT-TR is sourced from the original manufacturer or authorized distributors?
All MIC5370-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 MIC5370-MGYMT-TR meets industry standards.
7.What is the process for return or replacement of MIC5370-MGYMT-TR?
All MIC5370-MGYMT-TR units undergo pre-shipment inspection (PSI). If there is an issue with MIC5370-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 MIC5370-MGYMT-TR part is unused and in its original packaging.
Return procedure for MIC5370-MGYMT-TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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