LT1107CN8-5#PBF

Voltage - Output (Min/Fixed):	5V
Base Part Number:	LT1107
Supplier Device Package:	8-PDIP
Package / Case:	8-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	0°C ~ 70°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	63kHz
Current - Output:	1.5A (Switch)
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	30V
Voltage - Input (Min):	2V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck, Boost
Output Configuration:	Positive or Negative
Function:	Step-Up, Step-Down
Part Status:	Active
Packaging:	Tube

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Introduction

LT1107CN8-5#PBF voltage regulator is a DC-DC switching regulator designed for precision applications. It is a high performance, CMOS based adjustable switched-mode regulator with a wide input operating range from 3V to 28V and an adjustable output voltage from 25mV to 11.7V . It offers fast transient response and extremely wide input voltage range for improved power delivery. The output voltage is preset or programmable stable at temperatures up to 125°C.

Application

LT1107CN8-5#PBF DC-DC converter has the ability to operate on variable input, with an adjustable output and extremely fast transient response, making it suitable for a wide variety of applications.It is ideal for automotive, telecom and industrial control systems, which require voltage supply of up to 11.7 V. It is suitable for applications requiring high switching frequencies and high frequency stability over temperature, such as power MOSFET gate drivers, power supplies for FPGAs and DSP processors, buck converters, step-down DC-DC converters and buck-boost converters. It is also suitable for variable speed motor control, LED lighting and other variable speed, variable voltage applications.

Working principle

LT1107CN8-5#PBF DC-DC converter works by taking a DC input voltage and regulating it to a constant output. It utilizes a high-speed switching regulator to regulate the output voltage to a desired voltage, by controlling the frequency and duty cycle of the pulse width modulation (PWM).The input voltage is filtered with a low pass filter to remove any high frequency noise and then sent through a voltage feedback loop that regulates the voltage to a determined level. The output of the voltage feedback loop is compared to a reference and controls the pulse width of the output signal, which in turn determines the current flowing through the circuit.This current is then amplified in an output stage and fed back to the input stage, where it controls the frequency of the PWM and regulates the voltage. The PWM signal is then rectified and smoothed to generate the output voltage.

Conclusion

LT1107CN8-5#PBF DC-DC converter is a high-performance, advanced voltage regulator which offers excellent power delivery and fast transient response. With its wide input voltage range, adjustable output voltage and ultra-precise regulation, it provides an effective solution for a wide variety of applications such as power MOSFET gate drivers, FPGAs and DSP processors, buck converters, step-down and buck-boost converters. Its intelligent voltage feedback loop and PWM-based output ensure precise and stable output voltage, even at temperatures up to 125°C.

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