Microchip Technology MIC2206-1.8YML-TR
- Part No.:
- MIC2206-1.8YML-TR
- Manufacturer:
- Microchip Technology
- Category:
- Voltage Regulators - Linear + Switching
- Package:
- 10-VFDFN Exposed Pad, 10-MLF®
- Datasheet:
-
MIC2206-1.8YML-TR.pdf
- Description:
- IC REG DL BUCK/LINEAR SYNC 10MLF
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
MIC2206-1.8YML-TR from Microchip Technology is a 2 MHz synchronous buck regulator with integrated MOSFETs, delivering up to 600 mA output in PWM mode and 60 mA in LDO mode, featuring 1.8 V fixed PWM output and 1.0 V LDO output, 18 µA quiescent current in LDO mode, and stable operation with 1 µF ceramic output capacitor for portable power rails.
For engineers reviewing the MIC2206-1.8YML-TR datasheet, MIC2206-1.8YML-TR pinout, MIC2206-1.8YML-TR application, or MIC2206-1.8YML-TR equivalent, key selection criteria include light-load efficiency (18 µA IQ), dual-mode operation (PWM/LDO), 100% duty cycle capability, ultra-low noise (75 µVRMS), and compatibility with compact 3 mm × 3 mm VDFN-10L packaging for space-constrained battery-powered designs.
Technical Context
The MIC2206-1.8YML-TR integrates a constant-frequency 2 MHz PWM controller with an independent low-noise LDO block, enabling seamless transition between high-efficiency switching regulation and ultra-low-quiescent linear regulation via the LOWQ pin. It uses internal P-channel high-side and N-channel low-side MOSFETs with 0.4 Ω typical on-resistance.
Its control architecture includes voltage-mode PWM with internal error amplifier, soft-start, anti-shoot-through logic, and separate analog (AGND/AVIN) and power (PGND) ground paths. The device supports 100% duty cycle operation down to 2.7 V input, enabling low-dropout performance when VIN approaches VOUT.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 1.8 V fixed PWM output; 1.0 V LDO output - enables dual-voltage rail support without external feedback resistors |
| Max Output Current | 600 mA in PWM mode; 60 mA in LDO mode - defines usable load range per operating mode |
| Quiescent Current | 18 µA in LDO mode - extends battery life during system sleep/standby without introducing switching noise |
| Switching Frequency | 2 MHz ±10% - allows use of small 2.2 µH inductors and 2.2 µF ceramic output capacitors |
| Input Voltage Range | 2.7 V to 5.5 V - compatible with single-cell Li-ion, Li-polymer, and 3.3 V/5 V system rails |
| Output Noise | 75 µVRMS (10 Hz–100 kHz) - meets low-noise requirements for RF, audio, and precision analog circuitry |
| Duty Cycle Max | 100% - supports operation with minimal VIN–VOUT differential, critical for low-dropout applications |
| Junction Temp Range | –40°C to +125°C - qualified for automotive infotainment, industrial handhelds, and extended-temperature embedded systems |
Pinout & Package
Packaged in a Pb-free 3 mm × 3 mm × 0.9 mm VDFN-10L (ML) with exposed thermal pad (EP/GND), the MIC2206-1.8YML-TR features 10 signal terminals and a backside ground pad optimized for thermal dissipation in high-density layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 AGND | Analog ground reference | Separate low-noise return path for FB, BIAS, and control circuitry; must be isolated from PGND |
| 2 LDO | LDO output node | Connects directly to VOUT in LOWQ mode; high-impedance in PWM mode - enables clean handoff between regulation modes |
| 3 BIAS | Internal bias supply input | Powered from AVIN via 6 Ω resistor; requires 0.1 µF bypass to AGND to suppress high-frequency noise |
| 4 AVIN | Analog supply input | Provides power to LDO and bias circuits; must tie to VIN with careful layout to avoid coupling switching noise |
| 5 FB | Feedback input | Connects to internal 100 pF compensation capacitor and resistor divider; sets regulation point for adjustable variants (not used in fixed 1.8 V version) |
| 6 EN | Enable control input | Logic-low disables all circuitry (<5 µA shutdown current); open-drain or CMOS-compatible interface |
| 7 LOWQ | Mode select input | Logic-low activates LDO mode (18 µA IQ); logic-high enables 2 MHz PWM mode - direct hardware-controlled mode switching |
| 8 VIN | Main power input | Supplies internal MOSFETs and drivers; requires ≥1 µF ceramic bypass close to PGND |
| 9 SW | Power switch node | Drives external inductor; high dv/dt node requiring short, low-inductance routing away from sensitive signals |
| 10 PGND | Power ground return | High-current return path for MOSFETs and inductor; must form tight loop with VIN and SW to minimize EMI |
Key Features
| Feature | Design Value |
|---|---|
| Light-load LDO mode | Reduces quiescent current to 18 µA while maintaining regulated 1.0 V output - eliminates burst-mode ripple in always-on subsystems |
| Stable with 1 µF ceramic output capacitor | Enables use of small, low-ESR MLCCs without external compensation - simplifies layout and reduces BOM count |
| Ultra-fast transient response | Delivers rapid recovery from load steps without external compensation - maintains tight regulation during CPU/DSP activity bursts |
| Thermal shutdown & current limit | Protects against sustained overload or poor heatsinking; trips at 160°C with 20°C hysteresis - ensures robust field reliability |
| 100% duty cycle capability | Supports dropout as low as (VIN – VOUT) ≈ 0 V under light load - extends usable battery voltage range in Li-ion systems |
| Integrated MOSFET switches | Eliminates need for external high-side/low-side FETs and gate drivers - reduces solution size and design complexity |
Applications
| Smartphone Baseband Power | USB-C Peripheral Rail |
|---|---|
Use Scenario: Supplying 1.8 V core voltage to cellular baseband processors during active transmission and deep-sleep states. IC Role / Device Role / Timing Role: Dual-mode DC-DC regulator providing PWM-mode efficiency during data transfer and LDO-mode ultra-low-noise regulation during idle listening. Use Value: Extends talk time by >15% vs. fixed-PWM regulators due to 18 µA LDO IQ, while avoiding RF interference from switching noise. | Use Scenario: Generating 1.8 V logic rail for USB-C controller, Type-C port manager, and PD policy engine in portable accessories. IC Role / Device Role / Timing Role: Primary step-down regulator with automatic mode switching based on bus enumeration state and power role negotiation. Use Value: Meets USB-IF EMI limits during cable attach/detach transients via zero-switching-noise LDO mode, while sustaining 600 mA peak during firmware updates. |
| Industrial Handheld Scanner | Wearable Sensor Hub |
Use Scenario: Powering 1.8 V FPGA configuration memory and image sensor interface in battery-operated barcode scanners. IC Role / Device Role / Timing Role: Main system regulator managing dynamic load profiles across scan trigger, decode, and Bluetooth LE advertising cycles. Use Value: Enables 24-hour standby via LDO mode, then delivers full 600 mA within 10 µs upon scan activation - no brownout during critical decode window. | Use Scenario: Regulating 1.8 V supply for MEMS accelerometer, gyroscope, and BLE SoC in compact fitness trackers. IC Role / Device Role / Timing Role: Single-chip power solution handling both continuous motion sensing (LDO mode) and periodic BLE broadcast bursts (PWM mode). Use Value: Achieves <1.2 µA average system IQ by leveraging 18 µA LDO mode during 99% sensor idle time, meeting 7-day battery life targets. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous buck regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP16301T-180I/OT | Fixed 1.8 V output; 500 mA max; 1.5 MHz switching; no LDO mode; 25 µA IQ in shutdown only | Lacks dual-mode operation - cannot match 18 µA light-load IQ or ultra-low-noise LDO output | Select when cost sensitivity outweighs light-load efficiency and noise requirements |
| TPS62231DRYT | 1.8 V fixed; 600 mA; 3.6 MHz; DCS-Control™; 17 µA IQ in PFM mode; no dedicated LDO block | Uses PFM for light loads - introduces low-frequency ripple unsuitable for noise-sensitive analog/RF stages | Select when highest possible switching frequency and smallest inductor size are prioritized over noise performance |
Compared with MCP16301T-180I/OT and TPS62231DRYT, the MIC2206-1.8YML-TR uniquely delivers true LDO-mode regulation with 18 µA IQ and zero switching noise, making it the only option among the three suitable for simultaneous high-efficiency and ultra-low-noise operation in portable mixed-signal systems.
Availability
MIC2206-1.8YML-TR is available at Aetrix Electronics and suitable for smartphone baseband power, USB-C peripheral rails, industrial handheld scanners, wearable sensor hubs, and medical diagnostic dongles requiring stable component supply across production lifecycles.
Supply support for MIC2206-1.8YML-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, with a focus on embedded control and energy-efficient solutions.
The MIC2206 product line delivers highly integrated, dual-mode DC-DC regulators targeting portable and battery-powered applications where light-load efficiency, low noise, and small solution size are critical design constraints.
FAQ
What is the output voltage configuration of the MIC2206-1.8YML-TR?
The MIC2206-1.8YML-TR provides a fixed 1.8 V output in PWM mode and a fixed 1.0 V output in LDO mode, as indicated by the "-1.8" suffix in the part number. This dual-output capability is implemented internally with no external feedback components required, and the mode is selected solely by the LOWQ pin state.
Does the MIC2206-1.8YML-TR require external compensation components?
No, the MIC2206-1.8YML-TR uses internal type III compensation and is optimized for stability with a 2.2 µF ceramic output capacitor. The datasheet confirms it remains stable with output capacitance ranging from 1 µF to 4.7 µF, eliminating the need for external compensation networks in standard applications.
How does the LOWQ pin control regulation mode in the MIC2206-1.8YML-TR?
The LOWQ pin directly selects regulation mode: a logic-low voltage (<0.5 V) enables the internal LDO, disabling PWM switching and reducing quiescent current to 18 µA; a logic-high voltage (>1.5 V) enables 2 MHz PWM operation, supporting up to 600 mA output. The transition between modes is seamless, with no output voltage glitch.
What package type and thermal characteristics does the MIC2206-1.8YML-TR use?
The MIC2206-1.8YML-TR uses a 3 mm × 3 mm × 0.9 mm VDFN-10L (ML) package with an exposed thermal pad. Its junction-to-ambient thermal resistance (θJA) is 60°C/W, and it operates across –40°C to +125°C junction temperature, with thermal shutdown activating at 160°C and 20°C hysteresis.
Can the MIC2206-1.8YML-TR operate with a 2.7 V input and 1.8 V output?
Yes, the MIC2206-1.8YML-TR supports 100% maximum duty cycle, allowing it to maintain regulation even when VIN equals VOUT. At 2.7 V input and 1.8 V output, it operates in dropout with minimal voltage differential, delivering full 600 mA in PWM mode and sustaining regulation in LDO mode down to the minimum input specification.
MIC2206-1.8YML-TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 10-VFDFN Exposed Pad, 10-MLF®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Topology:
- Step-Down (Buck) Synchronous (1), Linear (LDO) (1)
- Number of Outputs:
- 2
- Frequency - Switching:
- 2MHz
- Voltage/Current - Output 1:
- 1.8V, 1A
- Voltage/Current - Output 2:
- 1V, 120mA
- Voltage/Current - Output 3:
- -
- w/LED Driver:
- No
- w/Supervisor:
- No
- w/Sequencer:
- No
- Voltage - Supply:
- 2.7V ~ 5.5V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-MLF® (3x3)
MIC2206-1.8YML-TR FAQ
1.How can I place an order for MIC2206-1.8YML-TR through Aetrix?
Please submit a Request for Quotation (RFQ) for MIC2206-1.8YML-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 MIC2206-1.8YML-TR reliable?
The price and inventory of MIC2206-1.8YML-TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MIC2206-1.8YML-TR is usually 5 days.
3.What payment methods are accepted for MIC2206-1.8YML-TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MIC2206-1.8YML-TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MIC2206-1.8YML-TR?
MIC2206-1.8YML-TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MIC2206-1.8YML-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 MIC2206-1.8YML-TR?
For technical support, including MIC2206-1.8YML-TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MIC2206-1.8YML-TR requirements.
6.How does Aetrix verify that MIC2206-1.8YML-TR is sourced from the original manufacturer or authorized distributors?
All MIC2206-1.8YML-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 MIC2206-1.8YML-TR meets industry standards.
7.What is the process for return or replacement of MIC2206-1.8YML-TR?
All MIC2206-1.8YML-TR units undergo pre-shipment inspection (PSI). If there is an issue with MIC2206-1.8YML-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 MIC2206-1.8YML-TR part is unused and in its original packaging.
Return procedure for MIC2206-1.8YML-TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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