Description
The MIC3172YM is a adjustable output voltage regulator from Microchip Technology, designed as a DC/DC converter. It has an input voltage range of 3-40VDC and can produce an output voltage within the range of 1.25V to 60V, up to 500mA. The regulator features thermal shutdown, current limit protection, and adjustable soft-start function for safe and efficient operation.
This device is suitable for various applications, including power management systems, battery-powered devices, and portable electronic equipment, where stable voltage regulation is crucial. With its low dropout voltage of 0.5V at 500mA, the MIC3172YM can help improve the efficiency and extend the life of these devices.
Package
The package type of the MIC3172YM is an 8-SOIC (0.154", 3.90mm Width).
Pinout
According to the product information, the MIC3172YM is an SO8 packaged IC (8-SOIC). The pin count and function are not specified in the provided description.
Manufacturer
The manufacturer of the MIC3172YM is Microchip Technology, a leading provider of microcontroller, memory, and analog semiconductors.
Applications
The MIC3172YM is suitable for voltage regulation in power management systems, battery-powered devices, and portable electronic devices that require stable and efficient voltage regulation to ensure proper operation and maximize battery life.
MIC3172YM FAQs
1.Q: Are there related parts to the MIC3172YM-1?
A: Similar devices include the MIC3172 (higher frequency variants) and competitors like LT1370 or LM2577, though specifications may differ.
2.Q: What package does the MIC3172YM-1 use?
A: It comes in an 8-pin SOIC (SOIC N) package with dimensions 4.93mm x 3.94mm x 1.48mm, suitable for surface-mount designs.
3.Q: What are the recommended operating conditions for the MIC3172YM-1?
A: Operate at 3V–40V input, -40°C to +85°C ambient, and ensure output current ≤1.25A. Line regulation is typically 0.07%/V.
4.Q: What is the thermal resistance of the MIC3172YM-1 package?
A: The SOIC-8 package has a typical thermal resistance (θJA) of ~80°C/W. Proper PCB layout and heatsinking are recommended for high-power applications.
5.Q: What are the absolute maximum ratings for the MIC3172YM-1?
A: Absolute max ratings include 40V input voltage, 3A switch current, and 85°C operating temperature. Exceeding these may damage the device.
6.Q: What are typical applications for the MIC3172YM-1?
A: It is used in DC-DC converters for industrial systems, automotive electronics (non-AECQ), LED drivers, and battery-powered devices requiring boost/buck/inverting topologies.
7.Q: What are the key features of the MIC3172YM-1?
A: Key features include a 3V–40V input range, 1.25A output current, adjustable output (3.6V–65V), 115kHz switching frequency, and operation from -40°C to +85°C.
8.Q: What is the pinout configuration of the MIC3172YM-1?
A: The MIC3172YM-1 is an 8-pin SOIC device with pins for VIN (input), GND, FB (feedback), COMP (compensation), SW (switch), and shutdown control. Refer to the datasheet for the exact pinout diagram.
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