PMIC - Voltage Regulators - DC DC Switching Regulators

LT1933ES6#TRMPBF is an integrated circuit from Linear Technology, a leader in high performance analog and mixed-signal integrated circuits. This integrated circuit can be used to generate a regulated output from a higher input voltage, allowing power supply designs to operate on high voltages but output low voltages. This can be particularly useful for applications like laptops and other battery-operated systems that require a steady output voltage to function. The LT1933ES6#TRMPBF is a non-isolated synchronous buck regulator, able to take in an input voltage of up to 24V and convert it to an adjustable output voltage of up to 17V. It provides an output current of 6A and has low standby current, making it ideal for battery applications. The integrated circuit also has other features such as an integrated soft start, reverse current protection, on/off and tracking modes, and overcurrent and thermal protection.

Application Field

The LT1933ES6#TRMPBF is well suited for a variety of applications, including laptops, medical and industrial control systems, communications equipment, and automotive power systems. In laptop applications, the integrated circuit can be used to provide lower output voltages for the different components of a laptop, such as the CPU, GPU, and RAM. In medical and industrial control systems, the LT1933ES6#TRMPBF can be used to provide robust and reliable power to sensitive components, such as sensors, actuators, and other embedded devices. In communications equipment, the integrated circuit can be used to provide power in a variety of applications, from base station transmitters to cellular phone chargers. Finally, the LT1933ES6#TRMPBF can be used in automotive power systems, providing a reliable, low noise output for automotive systems, such as lighting and infotainment systems.

Working Principle

The LT1933ES6#TRMPBF works on the principle of a synchronous buck regulator, which takes in a higher input voltage and steps it down to a lower output voltage. This is accomplished by switching the input voltage through an inductor, then passing it through a switch-mode converter circuit and regulating the output voltage using an internal PMOS or NMOS transistor. This switching technique reduces the power lost, allowing the circuit to maintain high efficiency. In the case of the LT1933ES6#TRMPBF, the integrated circuit uses a synchronous rectifier, which uses high- and low-side NMOS transistors to switch the input voltage and provide reverse current protection. It also uses a non-critical component layout, which simplifies the design of the circuit and enables the output voltage to be easily adjusted. Additionally, the integrated circuit also has an integrated soft start feature, which allows the load to be connected after the steady-state output voltage is reached.

Conclusion

The LT1933ES6#TRMPBF integrated circuit from Linear Technology is a non-isolated synchronous buck regulator, able to take in an input voltage of up to 24V and convert it to an adjustable output voltage of up to 17V. It provides an output current of 6A and has low standby current, making it ideal for battery applications. The integrated circuit has a variety of features, including a synchronous rectifier for reverse current protection, an integrated soft start for adjusting the output voltage, and on/off and tracking modes for convenient operation. The LT1933ES6#TRMPBF is well suited for a variety of applications, including laptops, medical and industrial control systems, communications equipment, and automotive power systems.