LT3845MPFE#PBF

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

LT3845MPFE#PBF belongs to PMIC – Voltage Regulators – DC DC Switching Controllers category. It’s a voltage regulator designed to provide a wide range of output voltages, current limiting, short-circuit protection, over-voltage protection, and input voltage to output voltage optimization.

The LT3845MPFE#PBF device is optimized for fast transient response and comes with integrated loop compensation. It supports high frequency operations and is ideal for a wide variety of low voltage intermediate bus conversions. It offers enhanced reliability with short-circuit protection, over-temperature protection, and reverse current protection.

The key features of LT3845MPFE#PBF include:

• Wide 4.5 V to 60 V input voltage range
• Programmable fixed frequency operation from 200 kHz to 1.3 MHz
• Programmable Soft-Start or Tracking Time-Out
• Programmable current limit or programmable peak current limit
• Programmable over-voltage protection
• Internal compensation for faster loop response
• Flexible enable control of output
• Open-loop output voltage control
• Excellent transient response
• Thermal overload protection
• Soft-Ramp switching
• Guaranteed Dropout Voltage at IOUT = 1.5 A

The LT3845MPFE#PBF is used in a variety of applications such as portable electronic devices, point of load supplies, embedded systems, cellular handsets, basic telecom, and automotive applications. The device has working principle which starts from the input terminals where the voltage is applied. Then the voltage is regulated using an internal circuit and finally it is output through three output terminals. The regulator circuit includes current sensing circuitry, an error amplifier and a control circuit for providing then necessary voltage regulation.

The device uses an external shunt voltage regulator for output voltage regulation. It works by controlling the output voltage according to the reference voltage provided by the device. It has two pins for reference select resistor, which allows the user to select the desired reference voltage level. It also has two pins for shunting the external voltage regulator when output voltage is higher than the set reference voltage.

The output current of the LT3845MPFE#PBF is limited by the internal current sensing circuit and can be programmed up to 4.5 A. It also provides comprehensive protection functions by sensing the output current and the temperature of the device. It can shut down the regulator when the output current exceeds the preset level or the device temperature is too high. So it helps to protect the device from over-current or over-heating.

Overall, the LT3845MPFE#PBF is ideal for a wide variety of low voltage intermediate bus conversions, which offers wide input voltage range, excellent transient response, fast response time and error amplifier with internal compensation networks. Its short-circuit and over-temperature protections make it a reliable solution for output current limitation, over-voltage protection, current tracking, and input voltage optimization needs.

The specific data is subject to PDF, and the above content is for reference