MIC37150BM TR

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MIC37150BM TR Application Field and Working Principle
As a PMIC (Power Management Integrated Circuit) device, the MIC37150BM TR Voltage Regulator is an example of linear technology, an integrated circuit which regulates voltage by employing the traditional linear method, which is the most basic application in power management. Currently, it is widely used in mobile medical, gaming, communication and audio devices, as well as motor control and battery charging systems.
 General Features of the Voltage Regulator
  
Wide input voltage range from 2.7V – 36V
  
Low quiescent current of 100 µA in active mode
High power conversion efficiency of 94%
High PSRR (power supply rejection ratio) and low output noise
  
Internal soft start and current limit protection
Working Principle
The basic principle is that an output voltage is regulated by damping the input voltage. This is done by sensing the input voltage and matching it against an internal reference voltage. The regulator compares the two voltages and adjusts the output voltage accordingly. This is achieved by controlling the current flow through a power transistor, which results in the input voltage being reduced.
The MIC37150BM TR Voltage Regulator also incorporates advanced power management techniques such as pulse-width modulation (PWM) and low-dropout (LDO) regulation with fast transient response. PWM mode is used in applications where the output is required to be precisely regulated over a wide input voltage range. LDO mode is used in applications where the output is required to be precisely regulated at low line and input voltage.
Summary
The MIC37150BM TR Voltage Regulator is a linear technology PMIC device, used widely in many applications, including mobile medical, gaming, communication and audio devices, as well as motor control and battery charging systems. It offers a wide input voltage range from 2.7V – 36V and low quiescent current of 100 µA in active mode, in addition to a high power conversion efficiency of 94%. Additionally, the device incorporates advanced power management techniques such as pulse-width modulation (PWM) and low-dropout (LDO) regulation with fast transient response.

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