MIC2005A-1YM5
PDSO5 package containing a single channel fixed power supply support circuitMIC2005A-1YM5
PDSO5 package containing a single channel fixed power supply support circuit
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Manufacturer Part # : MIC2005A-1YM5
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Package/Case: SOT-23-5
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Brand: Micrel Inc.
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Service & Packaging
Service & Packaging
About After Sales Service
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Initiate the application within 90 days from the shipment date.
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MIC2005A-1YM5 DataSheet

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MIC2005A-1YM5 Description
The MIC2005A-1YM5 is a low-dropout voltage regulator designed for portable devices, featuring a 350mA output current and ultra-low quiescent current from Microchip Technology Inc. This device is ideal for power distribution systems, battery management systems, and precision voltage monitoring applications.
Features
- High Efficiency Power Conversion: Converts AC to DC with minimal loss
- Safe Operating Mode: Automatically regulates output voltage and current
- Fault Tolerant Operation: Continues functioning despite input or output faults
- Voltage Regulation: Maintains a stable output voltage under varying inputs
- Low Standby Current: Minimizes power consumption during idle periods
- Overtemperature Protection: Prevents damage from excessive heat buildup
Applications
The MIC2005A-1YM5 is commonly used in power distribution systems, battery management systems, and precision voltage monitoring applications. It can also be utilized in portable electronics, automotive systems, and industrial control systems for its low quiescent current, high accuracy, and reliable performance.
Where to Use:
- The MIC2005A-1YM5 is suitable for use in power distribution systems
- Battery management systems
- Precision voltage monitoring applications
- Portable electronics
- Automotive systems
- Industrial control systems
Manufacturer
The MIC2005A-1YM5 is manufactured by Microchip Technology Inc., a global leader in semiconductor technology. It falls under the category of low-dropout voltage regulators, which are designed to provide reliable and efficient power conversion for various applications.
This product was developed to meet the growing demand for portable devices that require high efficiency power conversion, fault-tolerant operation, and overtemperature protection.
Packages
The MIC2005A-1YM5 comes in a package. This package is designed for surface-mount technology, offering a compact and efficient solution for integrating the voltage regulator into electronic circuits.

Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Rohs Code | Yes | Part Life Cycle Code | Active |
Reach Compliance Code | compliant | ECCN Code | EAR99 |
HTS Code ! | 8542.39.00.01 | Adjustable Threshold | NO |
Analog IC - Other Type | POWER SUPPLY SUPPORT CIRCUIT | JESD-30 Code | R-PDSO-G5 |
Length | 2.9 mm | Number of Channels | 1 |
Number of Functions | 1 | Number of Terminals | 5 |
Operating Temperature-Max | 85 °C | Operating Temperature-Min | -40 °C |
Package Body Material | PLASTIC/EPOXY | Package Code | LSSOP |
Package Shape | RECTANGULAR | Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
Peak Reflow Temperature (Cel) | NOT SPECIFIED | Seated Height-Max | 1.45 mm |
Supply Voltage-Max (Vsup) | 5.5 V | Supply Voltage-Min (Vsup) | 2.5 V |
Supply Voltage-Nom (Vsup) | 5 V | Surface Mount ! | YES |
Temperature Grade ! | INDUSTRIAL | Terminal Form ! | GULL WING |
Terminal Pitch ! | 0.95 mm | Terminal Position | DUAL |
Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | Width | 1.6 mm |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is MIC2005A-1YM5?
The MIC2005A-1YM5 is a low dropout voltage regulator (LDO) designed by Microchip Technology. It is ideal for applications requiring a stable and regulated output voltage with low dropout voltage, such as battery-powered devices, portable equipment, and voltage regulator modules.
How Does MIC2005A-1YM5 Work?
The MIC2005A-1YM5 works by regulating the input voltage to provide a stable and accurate output voltage even when the input voltage is close to the desired output voltage. It utilizes a low dropout voltage architecture to maintain regulation, making it suitable for applications with limited input-to-output voltage differentials.
How Many Pins does MIC2005A-1YM5 have and What are the Functions of the Pinout Configuration?
The MIC2005A-1YM5 is housed in a 5-lead SOT-23 package. The pinout configuration includes:
- VIN: Input voltage pin.
- VOUT: Regulated output voltage pin.
- GND: Ground pin.
- BYP: Bypass pin for setting the output voltage.
- EN: Enable pin for turning the regulator on or off.
What are the Pros and Cons of MIC2005A-1YM5?
Pros:
- Low Dropout Voltage: Maintains regulation even with low input-to-output differentials.
- Compact Package: The 5-lead SOT-23 package is space-efficient for compact designs.
- Low Quiescent Current: Operates with low standby current for power efficiency.
- Enable Pin: Allows for easy control of the regulator's on/off state.
- Short Circuit Protection: Includes protection features for enhanced reliability.
Cons:
- Limited Current Capacity: May not be suitable for high-current applications.
- Heat Dissipation: Efficiency may be reduced under high load conditions, requiring thermal considerations.
Are There Any Equivalents/Alternatives to MIC2005A-1YM5 for Recommendation?
Alternatives to the MIC2005A-1YM5 include the TLV70133 from Texas Instruments and the MCP1703 from Microchip Technology.
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