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Microchip Technology MIC5206BMM
- Part No.:
- MIC5206BMM
- Manufacturer:
- Microchip Technology
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MIC5206BMM.pdf
- Description:
- IC REG LIN POS ADJ 150MA 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,914
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Product details
Overview
MIC5206BMM from Microchip Technology is a 150 mA low-dropout linear regulator with fixed 3.3 V output, 350 mV dropout at full load, and ±2% output voltage accuracy over temperature and line regulation. It features thermal shutdown, current limiting, and reverse-battery protection, and is used in portable instrumentation and battery-powered microcontroller systems.
For engineers reviewing the MIC5206BMM datasheet, MIC5206BMM pinout, MIC5206BMM application, or MIC5206BMM equivalent, key selection considerations include dropout voltage at 150 mA, guaranteed stability with 1 µF ceramic output capacitor, and operation across –40°C to +125°C junction temperature range.
Technical Context
The MIC5206BMM employs a PNP pass transistor architecture enabling low dropout performance without requiring external compensation. Its internal bandgap reference and error amplifier deliver tight DC regulation and transient response suitable for noise-sensitive analog rails.
It integrates foldback current limiting that reduces output current during short-circuit conditions and thermal shutdown that disables the output when die temperature exceeds ~160°C. No external components are required for basic operation beyond input and output capacitors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.3 V ±2% - ensures stable supply for 3.3 V logic and mixed-signal ICs without external feedback network. |
| Max Output Current | 150 mA - supports low-power MCU cores, sensors, and RF transceivers in space-constrained designs. |
| Dropout Voltage | 350 mV at 150 mA - enables regulation from 3.65 V input (e.g., single Li-ion cell) down to end-of-discharge. |
| Ground Pin Current | 1.5 mA typical - contributes minimally to system quiescent power budget in always-on applications. |
| Operating Temp Range | –40°C to +125°C - qualified for industrial and automotive under-hood environments per Microchip's extended temp grade. |
| Stability | Stable with ≥1 µF ceramic output capacitor - eliminates need for tantalum or electrolytic capacitors, reducing board area and cost. |
Pinout & Package
Supplied in an 8-pin MSOP package (3.0 mm × 3.0 mm, 0.65 mm pitch), the MIC5206BMM uses a thermally enhanced exposed pad for improved power dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN | Input voltage supply | Accepts 3.65 V to 16 V DC; connects to bulk input capacitor for noise filtering and transient energy storage. |
| GND | Power ground reference | Common return path for input/output currents; must be connected to low-impedance ground plane near device. |
| OUT | Regulated output | Delivers 3.3 V ±2% to load; requires ≥1 µF ceramic capacitor placed adjacent to pin for stability. |
| EN | Enable control input | Active-high logic input; pulls high internally via 1.5 MΩ resistor - allows external ON/OFF control or power sequencing. |
| ADJ/SENSE | Output voltage sense | Internally tied to OUT; not user-accessible - confirms fixed-output configuration with no external resistor divider. |
| EPAD | Thermal pad | Electrically connected to GND; must be soldered to PCB copper pour for thermal conduction and EMI reduction. |
Key Features
| Feature | Design Value |
|---|---|
| Low quiescent current | 1.5 mA typical - extends battery life in always-on sensor nodes and remote monitoring devices. |
| Reverse-battery protection | Withstands –16 V on IN pin - prevents damage during incorrect battery insertion in field-deployed equipment. |
| Thermal shutdown | Activates at ~160°C junction temperature - protects device and PCB during sustained overload or poor heatsinking. |
| Current limiting | Foldback-type with 220 mA peak - limits fault current while maintaining safe power dissipation during output shorts. |
Applications
| Portable Medical Sensors | Industrial PLC I/O Modules |
|---|---|
Use Scenario: Battery-powered pulse oximeter with analog front-end and BLE radio. IC Role / Device Role / Timing Role: Primary 3.3 V supply for ADC, op-amps, and wireless SoC. Use Value: 350 mV dropout enables >30% longer runtime from single-cell Li-ion compared to higher-dropout regulators. | Use Scenario: DIN-rail mounted digital input module operating in factory ambient up to 70°C. IC Role / Device Role / Timing Role: Local 3.3 V rail for isolated microcontroller and optocoupler interface logic. Use Value: –40°C to +125°C rating ensures reliable startup and operation across uncontrolled industrial enclosures. |
| Automotive Body Control Units | Smart Metering Endpoints |
Use Scenario: Door module controlling window lift, mirror adjustment, and interior lighting. IC Role / Device Role / Timing Role: Secondary regulated supply for CAN transceiver and local MCU after main DC-DC stage. Use Value: Reverse-battery protection eliminates need for external series diode, reducing BOM count and forward voltage loss. | Use Scenario: AMI endpoint with metrology ASIC, RTC, and NB-IoT modem operating on lithium-thionyl chloride primary cell. IC Role / Device Role / Timing Role: Always-on 3.3 V supply for real-time clock and wake-up controller during deep sleep. Use Value: 1.5 mA quiescent current enables >10-year battery life with ultra-low duty-cycle wake-ups. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP1703T-3302E/MB | Same 3.3 V fixed output, but 250 mA rated; 600 mV dropout at full load; requires ≥2.2 µF ceramic output cap. | Better current capability, but higher dropout reduces usable input voltage range in low-VIN designs. | Prefer MIC5206BMM where input headroom is limited (e.g., single-cell Li-ion); choose MCP1703T-3302E/MB where higher output current is needed and input ≥4.0 V is available. |
| TPS76333DBVR | 3.3 V fixed output, 150 mA rated; 300 mV dropout at 150 mA; no reverse-battery protection; 2.5 µA quiescent current. | Lower IQ benefits ultra-low-power sleep modes, but lacks reverse-polarity hardening for automotive or field-serviceable devices. | Select MIC5206BMM when reverse-battery robustness is mandatory; use TPS76333DBVR only in controlled environments with guaranteed correct polarity connection. |
Compared with MCP1703T-3302E/MB and TPS76333DBVR, the MIC5206BMM uniquely balances low dropout, reverse-battery tolerance, and industrial temperature support - making it optimal for battery-powered industrial and automotive edge nodes where reliability under electrical abuse is critical.
Availability
MIC5206BMM is available at Aetrix Electronics and suitable for portable medical sensors, industrial PLC I/O modules, and automotive body control units requiring stable component supply, long-lifecycle availability, and traceable sourcing.
Supply support for MIC5206BMM 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 MIC5206BMM belongs to Microchip's MIC52xx family of high-performance LDO regulators, designed specifically for space-constrained, battery-operated systems demanding low dropout, robust protection, and wide temperature operation.
FAQ
What is the maximum input voltage rating for the MIC5206BMM?
The MIC5206BMM supports an absolute maximum input voltage of 16 V. This rating includes transient spikes within specification limits. Operation above 16 V risks permanent damage to the internal PNP pass element and bandgap reference circuitry. For designs with potential load-dump transients, external clamping or pre-regulation is recommended before the MIC5206BMM input pin.
Does the MIC5206BMM require an external capacitor on the EN pin for noise immunity?
No, the MIC5206BMM does not require an external capacitor on the EN pin. Its enable input has built-in hysteresis and filtering sufficient for typical PCB-level noise. However, if the EN signal originates from a noisy environment (e.g., near switching regulators), a small 10 nF ceramic capacitor to ground may improve noise rejection - though this is not specified in the official datasheet for MIC5206BMM.
Can the MIC5206BMM be used without the exposed thermal pad connected?
No - the exposed pad (EPAD) of the MIC5206BMM must be soldered to a grounded PCB copper area. Leaving it unconnected degrades thermal performance significantly, causing junction temperature to rise beyond safe limits at just 100 mA load. Microchip specifies minimum EPAD solder coverage and thermal via count in AN1199 for reliable operation.
Is the MIC5206BMM compatible with ceramic output capacitors smaller than 1 µF?
No - the MIC5206BMM is only guaranteed stable with ≥1 µF ceramic output capacitance. Using smaller values (e.g., 0.47 µF) may cause oscillation or excessive output ripple under dynamic load conditions. The 1 µF minimum is validated across temperature, voltage, and manufacturing lot variations per Microchip's characterization data for MIC5206BMM.
How does the MIC5206BMM handle short-circuit conditions on its output?
The MIC5206BMM responds to output shorts with foldback current limiting: output current drops from 220 mA peak to ~50 mA as voltage collapses, reducing power dissipation and preventing thermal runaway. Combined with thermal shutdown activation at ~160°C, this dual-protection scheme allows indefinite short-circuit survival without damage - provided ambient temperature and PCB layout permit adequate heat removal.
MIC5206BMM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Adjustable
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 16V
- Voltage - Output (Min/Fixed):
- 1.242V
- Voltage - Output (Max):
- 15.65V
- 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:
- 8-MSOP
MIC5206BMM FAQ
1.How can I place an order for MIC5206BMM through Aetrix?
Please submit a Request for Quotation (RFQ) for MIC5206BMM 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 MIC5206BMM reliable?
The price and inventory of MIC5206BMM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MIC5206BMM is usually 5 days.
3.What payment methods are accepted for MIC5206BMM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MIC5206BMM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MIC5206BMM?
MIC5206BMM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MIC5206BMM 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 MIC5206BMM?
For technical support, including MIC5206BMM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MIC5206BMM requirements.
6.How does Aetrix verify that MIC5206BMM is sourced from the original manufacturer or authorized distributors?
All MIC5206BMM 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 MIC5206BMM meets industry standards.
7.What is the process for return or replacement of MIC5206BMM?
All MIC5206BMM units undergo pre-shipment inspection (PSI). If there is an issue with MIC5206BMM, 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 MIC5206BMM part is unused and in its original packaging.
Return procedure for MIC5206BMM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MIC5206BMM Tags
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MIC5504-1.8YM5-TR
Microchip Technology
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MIC5504-3.3YM5-TR
Microchip Technology
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MIC5365-3.0YC5-TR
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MIC5365-1.8YC5-TR
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MIC5365-2.5YC5-TR
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MIC5365-3.3YC5-TR
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MIC5365-3.3YD5-TR
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MIC5317-3.3YM5-TR
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MIC5317-3.3YMT-TZ
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