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See Technical Specifications

MIC2185YQS

Synchronous Operation for Efficient Power Management

Manufacturer:

Microchip
Mfr.Part #:

MIC2185YQS
Datasheet:

MIC2185YQS Datasheet (PDF)
Supported Topologies:

Boost, SEPIC, Cuk
Supported Outputs:

1
Minimum Input Voltage (V):

2.9
Maximum Input Voltage (V):

14
EDA/CAD Models:

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MIC2185YQS General Description

The MIC2185YQS is a high-speed, low-noise, low-dropout voltage regulator designed specifically for applications requiring fast transient response and stable operation under varying load conditions. It is suitable for use in a wide range of electronic devices including portable consumer electronics, telecommunications equipment, and industrial controls.The device is capable of supplying up to 3A of continuous output current with an input voltage range of 2.7V to 5.5V. It has a dropout voltage as low as 285mV, ensuring efficient power conversion and minimizing power dissipation. The MIC2185YQS has a fixed output voltage of 1.2V, making it ideal for powering low voltage digital circuits and microcontrollers.Key features of the MIC2185YQS include a fast transient response time of less than 300ns, low output noise of 75µVrms, and high PSRR of 70dB at 100kHz. It also includes a thermal shutdown feature to protect the device from overtemperature conditions.The device is housed in a compact QSOP package, making it suitable for space-constrained applications.

Key Features

MIC2185YQS is a synchronous buck regulator controller

It operates over an input voltage range of 4.5V to 26V

It has a fixed output voltage

It features a 1.3MHz switching frequency

It offers internal soft-start, current limit, and thermal shutdown protection

It is available in a small QSOP package

Application

The MIC2185YQS is a synchronous buck regulator ideal for applications requiring a high efficiency power supply

It is commonly used in portable devices, such as smartphones, tablets, and other battery-powered electronics

It can also be utilized in networking equipment, industrial controls, and automotive applications where space-saving and high performance power solutions are required

Specifications

Supported Topologies	Boost, SEPIC, Cuk	Supported Outputs	1
Minimum Input Voltage (V)	2.9	Maximum Input Voltage (V)	14
PFM, Discontinuous, Hyperlight load, or Skip Mode	Yes	Typical Tolerance (%)	±1
Duty Cycle Max (%)	0.85	External Clock Sync	Yes
Soft Start	Yes	Internal Voltage Bias	Yes
Enable Pin	Yes	Current Limit / Short Circuit Protection	Yes
Operating Supply Current (mA)	4.6