MIC5205-3.3YM5_TR Microchip Integrated Circuit (SOT23 (5-Pin)) In Stock
The MIC5205-3.3YM5_TR is a low-noise LDO voltage regulator by Microchip providing a fixed 3.3 V output in a 5-pin SOT-23 package. Key specs: 150 mA output current, ±1% output accuracy, 2.5 V to 16 V input range. Available in stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- MIC5205-3.3YM5_TR Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 3.3 V output with ±1% accuracy from a 2.5 V to 16 V input range covering battery and regulated supply sources
- 150 mA output current capability in a compact 5-pin SOT-23 package for space-constrained designs
- Low noise output suitable for powering analog, RF, and mixed-signal circuits requiring clean supply rails
- Microchip MIC5205 series LDO with enable pin for power sequencing and shutdown control in multi-rail systems
Applications
The MIC5205-3.3YM5_TR is used in portable electronics, IoT modules, and wireless sensor nodes where a clean 3.3 V supply at up to 150 mA must be derived from battery voltages or higher bus rails with minimal noise. It is well suited for powering microcontrollers, Bluetooth or Wi-Fi modules, and precision analog circuits requiring stable 3.3 V at low dropout from 2.5 V to 16 V input supplies.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MIC5205-3.3YM5_TR:
Frequently Asked Questions
What is the dropout voltage of MIC5205-3.3YM5_TR at 150 mA and how does this affect battery-powered designs?
The MIC5205-3.3YM5_TR has a low dropout voltage, typically around 300 mV at 150 mA output current. This means the input supply must be at least 3.6 V to maintain the regulated 3.3 V output at full load. For a single Li-ion cell with a discharge range of 3.0 V to 4.2 V, the regulator maintains regulation through most of the battery discharge cycle, maximizing usable battery capacity.
How does the ±1% output accuracy of MIC5205-3.3YM5_TR benefit precision analog circuit designs?
The ±1% output voltage accuracy means the MIC5205-3.3YM5_TR delivers between 3.267 V and 3.333 V under all conditions of load, temperature, and input voltage. This tight regulation is critical for powering ADC reference circuits, op-amp supply rails, and precision sensors where supply voltage variation directly impacts measurement accuracy, reducing the need for additional post-regulation filtering.
For an IoT wireless sensor node, why is the 5-pin SOT-23 package of MIC5205-3.3YM5_TR advantageous?
The 5-pin SOT-23 package of MIC5205-3.3YM5_TR measures approximately 3 mm × 1.75 mm, making it one of the most compact LDO regulator packages available. This small footprint allows the 3.3 V regulator to fit within the tight board area constraints of coin-cell or stamp-sized IoT sensor nodes, leaving more PCB real estate for the wireless radio, MCU, and sensor components.
Can MIC5205-3.3YM5_TR accept a 12 V industrial bus input, and what input bypassing is recommended?
Yes, the MIC5205-3.3YM5_TR supports an input voltage range of 2.5 V to 16 V, covering standard 12 V industrial supply rails. A 1 µF input bypass capacitor placed within 5 mm of the input pin is recommended to stabilize the LDO under transient load conditions. For high-impedance supply sources, increasing input capacitance to 10 µF improves transient response and prevents oscillation at 150 mA step loads.
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