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Microchip Technology MIC5206-3.0BM5 TR
- Part No.:
- MIC5206-3.0BM5 TR
- Manufacturer:
- Microchip Technology
- Package:
- SC-74A, SOT-753
- Datasheet:
-
MIC5206-3.0BM5 TR.pdf
- Description:
- 150 MILLAMPLOW-NOISE LDO REG
- Quantity:
- Payment:
- Shipping:
Inventory:57,704
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Product details
Overview
MIC5206-3.0BM5 TR from Microchip Technology is a 3.0 V fixed-output, 150 mA low-dropout linear regulator in SOT-23-5 package with 350 mV dropout at full load, ±2% output voltage accuracy, and thermal shutdown protection. It powers microcontroller I/O rails and sensor analog front-ends in portable instrumentation.
For engineers reviewing the MIC5206-3.0BM5 TR datasheet, MIC5206-3.0BM5 TR pinout, MIC5206-3.0BM5 TR application, or MIC5206-3.0BM5 TR equivalent, key selection criteria include dropout voltage at 150 mA, ground current vs. load, reverse-battery protection, and guaranteed operation down to 2.5 V input.
Technical Context
The MIC5206-3.0BM5 TR uses a PNP pass transistor architecture enabling stable regulation with ceramic output capacitors as low as 1 µF. Its internal bandgap reference and error amplifier deliver tight line and load regulation across temperature and input voltage variation.
It integrates thermal foldback and short-circuit current limiting to prevent damage during sustained overload. The device requires no external compensation and operates without minimum load current.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.0 V ±2% - ensures stable supply for 3.3 V-tolerant logic and analog sensors |
| Max Output Current | 150 mA - sufficient for MCU peripherals and low-power transceivers |
| Dropout Voltage | 350 mV at 150 mA - enables operation from single-cell Li-ion or two-cell alkaline inputs |
| Ground Current | 120 µA at full load - minimizes quiescent power loss in battery-powered systems |
| Input Voltage Range | 2.5 V to 16 V - supports wide-input industrial and automotive auxiliary rails |
| PSRR | 70 dB at 120 Hz - suppresses ripple from switching converter pre-regulators |
Pinout & Package
SOT-23-5 surface-mount package with exposed thermal pad (pin 5), 1.3 mm × 2.9 mm footprint, rated for 150°C junction temperature.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (EN) | Enable input | Active-high logic control; pulls regulator into shutdown mode when low |
| 2 (GND) | Ground reference | Common return path for load current and internal bias circuitry |
| 3 (OUT) | Regulated output | Delivers stable 3.0 V to connected load; requires ≥1 µF ceramic capacitor |
| 4 (IN) | Input supply | Accepts 2.5–16 V unregulated input; bypass capacitor recommended |
| 5 (GND/EP) | Thermal pad / GND | Electrically tied to ground; must be soldered for thermal performance |
Key Features
| Feature | Design Value |
|---|---|
| Reverse-battery protection | Withstands −16 V input without damage or reverse current flow |
| Thermal shutdown with hysteresis | Activates at 160°C; resumes operation after cooling to 140°C |
| No minimum load requirement | Stable regulation down to zero load current - simplifies standby design |
| Ceramic capacitor compatible | Stable with 1 µF X7R output capacitor - reduces board area vs. tantalum |
Applications
| Portable Medical Sensors | Industrial PLC I/O Modules |
|---|---|
Use Scenario: Battery-powered glucose meter with analog signal chain and BLE radio. IC Role / Device Role / Timing Role: Primary 3.0 V supply for op-amps, ADC, and RF transceiver core logic. Use Value: Low dropout and ultra-low ground current extend battery life beyond 12 months on CR2032. | Use Scenario: DIN-rail mounted analog input module operating from 24 V DC bus. IC Role / Device Role / Timing Role: Local 3.0 V rail for isolated ADC drivers and digital isolator side power. Use Value: Reverse-battery protection prevents field failure during wiring errors. |
| Automotive Body Control Units | Smart Home Sensor Hubs |
Use Scenario: Door module with LIN transceiver, LED drivers, and wake-up detection circuitry. IC Role / Device Role / Timing Role: Secondary regulated supply for LIN PHY and microcontroller I/O bank. Use Value: Guaranteed operation down to 2.5 V supports cold-crank conditions per ISO 16750-2. | Use Scenario: Zigbee-enabled occupancy sensor with PIR and ambient light sensing. IC Role / Device Role / Timing Role: Clean 3.0 V source for precision voltage references and low-noise amplifiers. Use Value: 70 dB PSRR rejects noise from co-located switching regulators powering RF section. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP1700T-3002E/TT | 250 mA max output, 175 mV dropout at 250 mA, no enable pin | Lacks EN control; higher output current but lower thermal margin in SOT-23-3 | Choose when enable functionality is unnecessary and higher current headroom is required |
| TPS7A2030PDQNR | 300 mA max output, 170 mV dropout at 300 mA, 1.6 V min input | Wider input range down to 1.6 V; smaller quiescent current (65 µA) but no reverse-battery protection | Prefer when ultra-low IQ is critical and reverse-voltage risk is mitigated externally |
Compared with MCP1700T-3002E/TT and TPS7A2030PDQNR, the MIC5206-3.0BM5 TR uniquely combines reverse-battery protection, enable control, and guaranteed 2.5 V minimum input - making it optimal for harsh-environment portable and automotive subsystems where wiring integrity and cold-crank operation are non-negotiable.
Availability
MIC5206-3.0BM5 TR is available at Aetrix Electronics and suitable for portable medical devices, industrial I/O modules, and automotive body electronics requiring stable component supply and long-term manufacturability.
Supply support for MIC5206-3.0BM5 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
Microchip Technology is a U.S.-based semiconductor company specializing in microcontrollers, analog devices, and power management ICs for industrial, automotive, and consumer applications.
The MIC5206 series was designed specifically for space-constrained, battery-sensitive applications demanding robust protection features and guaranteed low-input operation - targeting portable instrumentation and automotive sub-systems.
FAQ
What is the maximum input voltage rating for the MIC5206-3.0BM5 TR?
The MIC5206-3.0BM5 TR supports an absolute maximum input voltage of 20 V, with continuous operation specified from 2.5 V to 16 V. This range allows reliable use in automotive cold-crank scenarios and industrial 24 V systems with local step-down stages. Exceeding 20 V risks permanent damage to the internal pass transistor and bandgap reference.
Does the MIC5206-3.0BM5 TR require an external capacitor on the output pin?
Yes, the MIC5206-3.0BM5 TR requires a minimum 1 µF ceramic capacitor on the OUT pin for stability. Microchip specifies X7R or better dielectric with ≤100 mΩ ESR. Omitting this capacitor causes oscillation and output voltage instability under dynamic load changes. The capacitor must be placed within 5 mm of the OUT and GND pins.
Can the MIC5206-3.0BM5 TR operate with zero load current?
Yes, the MIC5206-3.0BM5 TR maintains regulation with zero load current. Its internal design eliminates minimum load requirements, enabling stable 3.0 V output during deep-sleep modes of microcontrollers or sensor nodes. Ground current drops to 85 µA in no-load condition, preserving battery energy.
Is the enable pin (EN) of the MIC5206-3.0BM5 TR compatible with 1.8 V logic?
Yes, the EN pin of the MIC5206-3.0BM5 TR has a logic threshold of 0.4 V (max) for low and 1.4 V (min) for high, making it fully compatible with 1.8 V CMOS logic outputs. A 1.8 V GPIO can directly drive EN without level translation, enabling precise power sequencing in multi-rail systems.
How does reverse-battery protection work in the MIC5206-3.0BM5 TR?
The MIC5206-3.0BM5 TR incorporates internal reverse-polarity protection that blocks current flow when the IN pin is at −16 V relative to GND. This prevents damage to downstream circuitry and eliminates the need for an external series diode. The protection remains active during all operating and shutdown states without degrading output voltage accuracy or dropout performance.
MIC5206-3.0BM5 TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Bulk
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 16V
- Voltage - Output (Min/Fixed):
- 3V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.35V @ 150mA
- Current - Output:
- 150mA
- Current - Quiescent (Iq):
- 150 µA
- Current - Supply (Max):
- 2.5 mA
- PSRR:
- -
- Control Features:
- Enable, Error Flag
- Protection Features:
- Over Current, Over Temperature, Reverse Polarity
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
MIC5206-3.0BM5 TR FAQ
1.How can I place an order for MIC5206-3.0BM5 TR through Aetrix?
Please submit a Request for Quotation (RFQ) for MIC5206-3.0BM5 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 MIC5206-3.0BM5 TR reliable?
The price and inventory of MIC5206-3.0BM5 TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MIC5206-3.0BM5 TR is usually 5 days.
3.What payment methods are accepted for MIC5206-3.0BM5 TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MIC5206-3.0BM5 TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MIC5206-3.0BM5 TR?
MIC5206-3.0BM5 TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MIC5206-3.0BM5 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 MIC5206-3.0BM5 TR?
For technical support, including MIC5206-3.0BM5 TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MIC5206-3.0BM5 TR requirements.
6.How does Aetrix verify that MIC5206-3.0BM5 TR is sourced from the original manufacturer or authorized distributors?
All MIC5206-3.0BM5 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 MIC5206-3.0BM5 TR meets industry standards.
7.What is the process for return or replacement of MIC5206-3.0BM5 TR?
All MIC5206-3.0BM5 TR units undergo pre-shipment inspection (PSI). If there is an issue with MIC5206-3.0BM5 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 MIC5206-3.0BM5 TR part is unused and in its original packaging.
Return procedure for MIC5206-3.0BM5 TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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