
( Brand: Micrel ), ( Manufacturer Part Number: MIC5245-3.3BM5 ), ( Package: Sot-23-5 ), ( Description: Ic Reg Ldo 3.3v .15a Sot23-5 ), ( Number Of Items: 5 Pcs ), ( Regulator Topology: Positive Fixed ), ( Voltage Output: 3.3v ), ( Voltage Input: Up To 6v ), ( Voltage Dropout: Typical ), ( Current Output: 150ma ), ( Current Limit: Min ), ( Operating Temperature: 40 Deg;c 125 Deg;c )
The Mic5245-3.3BM5 is a high-performance, low-dropout linear regulator (LDO) from Micrel, specifically designed for applications requiring up to 15 amperes of continuous output current. This device operates from an input voltage range of 4.5V to 15V, and provides a regulated 3.3V output voltage with a maximum voltage deviation of just 10mV at no load and 60mV at the maximum load of 15A.
The Mic5245-3.3BM5 is available in a compact SOT23-5 package, making it an ideal choice for space-constrained designs. This device features a thermal shutdown mechanism to protect against excessive heat, and a enable/disable pin allows for easy power control. With a typical dropout voltage of just 150mV at 15A, this LDO can deliver high efficiency, particularly in battery-powered applications.
Key features of the Mic5245-3.3BM5 include a low quiescent current of 100uA at no load, a high input voltage surge capability of 40V, and a maximum output current ripple of 25mV (peak-to-peak). This device also offers excellent thermal performance, with a maximum junction temperature of 125 degrees Celsius.
In summary, the Mic5245-3.3BM5 is a versatile and high-performance LDO regulator that offers excellent efficiency, thermal performance, and protection features. Its compact package and wide input voltage range make it a suitable choice for a variety of applications, from mobile devices to industrial control systems. With its ability to deliver up to 15A of continuous output current, this regulator is an excellent choice for power-hungry designs that require a reliable and efficient power supply solution.
Pros of buying Mic5245-3.3BM5:1. High Current Capability: This LDO (Low Dropout Regulator) can deliver up to 15A of continuous current, making it suitable for high power applications.
2. Wide Input Voltage Range: The Mic5245-3.3BM5 can operate from an input voltage range of 2.7V to 5.5V, providing flexibility in design.
3. Low Noise: It has a low noise output of 25mV (typical) at 1.5A, which is beneficial in noise-sensitive applications.
4. Small Size: The SOT23-5 package makes it a space-saving solution for applications with limited board space.
5. Reliable and Stable: Micrel is a reputable manufacturer known for their reliable and stable voltage regulators.
Cons of buying Mic5245-3.3BM5:1. Limited Output Voltage: The fixed 3.3V output might not be suitable for applications requiring other output voltages.
2. Higher Cost: Due to its high current capability and low noise, the Mic5245-3.3BM5 may be more expensive compared to other LDOs with lower specifications.
3. Thermal Considerations: As with all electronic components, the Mic5245-3.3BM5 generates heat during operation. Proper heat sinking and thermal design should be considered to ensure reliable operation.
Conclusion:The Mic5245-3.3BM5 is a high-performance LDO regulator suitable for applications requiring high current, low noise, and a small form factor. Its wide input voltage range and reliable performance from a reputable manufacturer also make it an attractive choice. However, its limited output voltage and higher cost compared to other LDOs should be considered. Ultimately, the decision to use the Mic5245-3.3BM5 depends on the specific requirements of your application.
Recommendation:If your application requires high current, low noise, and a small form factor, and a fixed 3.3V output voltage is suitable, the Mic5245-3.3BM5 could be a good choice. Ensure to consider thermal design and cost in your evaluation process. If you require a different output voltage or need to minimize cost, you may want to consider alternative LDOs with lower specifications.
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