LT3462AEDC#TRPBF

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LT3462AEDC#TRPBF belongs to PMIC (Power Management Integrated Circuit) regulators, specifically to DC DC Switching Regulators. This switching regulator provides an efficient and cost-effective description for generating an output voltage from a higher input voltage from the public domain.

Overview of LT3462AEDC#TRPBF

The LT3462AEDC#TRPBF voltage regulator family is designed for the following purposes:

• When the input supply voltage exceeds the regulated output voltage, the LT3462AEDC#TRPBF enables power supply designers to truly regulate the output voltage to a defined and lower voltage than it has seen before, at high efficiency levels.
• The LT3462AEDC#TRPBF can be a cost-effective solution when the typical buck regulator can no longer maintain efficiency while maintaining the regulated output voltage, due to the ever-increasing voltages in the public domain.

The LT3462AEDC#TRPBF regulator comes in different packages and is able to drive double pulse topology synchronous rectifiers to ensure high efficiency. Additionally, the LT3462AEDC#TRPBF has built-in protection features such as overload and over temperature protections, to ensure long term reliable operation.

LT3462AEDC#TRPBF application field

The LT3462AEDC#TRPBF switching regulator can be used for a variety of applications, such as:

• Battery-powered systems
• Portable appliances
• Wireless infrastructure equipment
• Entertainment systems
• Industrial products
• Medical products
• Consumer products
• Computer systems

The LT3462AEDC#TRPBF switching regulator is also suitable for applications where no minimum battery voltage is necessary, such as powering consumer electronics and laptop computers with limited battery capacity.

LT3462AEDC#TRPBF working principle

The LT3462AEDC#TRPBF switching regulator uses an internallytrimmable, synchronous DC/DC Converter to deliver 2A continuous output current combined with low quiescent current and high efficiency. Internally trimmed PWM control signal ensures current mode control with fast transient response times. The LT3462AEDC#TRPBF switching regulator is translated into its geometrical diagram in Figure 1.

Figure 1: LT3462AEDC#TRPBF Geometric Diagram

The regulation block controls the external MOSFET to change the output voltage by paralleling or seriesing one or both power supply rails. The internal monitoring of the LT3462AEDC#TRPBF also prevents the converter from sinking excessive current and enables current-limiting operation depending on the configuration. The MOSFETs will be disconnected from the power rail when a predetermined current limit is exceeded.

The synchronization block of LT3462AEDC#TRPBF provides the means to synchronize the internal PWM controller whose frequency is internally adjusted by the external inductor and capacitor. The synchronized output produces a low-cost, high-efficiency solution.

The LT3462AEDC#TRPBF output voltage is determined by an external resistor divider, which allows the specification of accurate output levels and also features a programmable soft start time and an adjustable compensation network to optimize the transient characteristics.

Conclusion

In conclusion, the LT3462AEDC#TRPBF switching regulator is a cost-effective solution for applications that require regulated output voltages from higher input voltages, with high efficiency. It is designed to drive double pulse modulated synchronous rectifiers, and comes with a wide range of internal protection mechanisms. The LT3462AEDC#TRPBF is suitable for a variety of applications, from industrial to consumer products, and can also be used in laptop power with limited battery capacity.

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