LT1307CS8#PBF

Voltage - Output (Min/Fixed):	1.22V
Base Part Number:	LT1307
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-20°C ~ 70°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	600kHz
Current - Output:	600mA (Switch)
Voltage - Output (Max):	30V (Switch)
Series:	--
Voltage - Input (Max):	5V
Voltage - Input (Min):	1V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tube

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LT1307CS8#PBF Application Field and Working Principle

Introduction

The LT1307CS8#PBF is a low-power, high-performance step-down (buck) regulator from Linear Technology Corporation. It provides a wide range of features and performance, making it an ideal choice for a variety of today’s power supplies.The LT1307CS8#PBF is able to deliver up to 2A of continuous output current while providing a wide input range of 4.5V to 40V. There are many other features like integrated high- and low-side MOSFETs, smooth transitions, and low output voltage ripple. Additionally, the LT1307CS8#PBF is stable with ceramic input and output capacitors and provides improved output voltage accuracy at no extra cost.

Application Field

The LT1307CS8#PBF is suitable for a variety of applications including embedded systems, consumer electronics, and automotive. It is an ideal choice for powering a high output current device or as a multi-phase regulator for a high current system.The LT1307CS8#PBF can be used to power embedded systems such as commercial computers, control systems, medical equipment, and mobile phones. It is also suitable for consumer applications such as digital cameras, personal computers, and gaming systems.In addition, the LT1307CS8#PBF is also well-suited for automotive applications. It can be used to power an engine management system, lighting systems, and other systems which require accurate voltage regulation.

Working Principle

The LT1307CS8#PBF operates as a Buck converter, which takes an input voltage and converts it to a lower voltage output. It does this in two main steps: first, it switches the voltage into a high frequency signal and secondly it filters the signal to produce the output.The LT1307CS8#PBF has an integrated high and low side MOSFETs. The high side MOSFET is used for switching and the low side MOSFET is used for current limiting. This setup allows the device to operate more efficiently and allows for faster transient response.The LT1307CS8#PBF uses an external voltage feedback system to regulate the output voltage. This is done by sense resistor and an error amplifier. The LT1307CS8#PBF also has a programmable over-temperature protection circuit and a programmable soft start circuit to ensure proper output regulation and minimize inrush current.The LT1307CS8#PBF provides high efficiency over a wide input voltage range and supports both continuous and discontinuous modes. The output voltage can be also externally adjusted to satisfy all the customer requirements.

Conclusion

The LT1307CS8#PBF from Linear Technology Corporation is a low-power, high-performance step-down (buck) regulator. It is suitable for a variety of applications, including embedded systems, consumer electronics, and automotive. It can deliver up to 2A of continuous output current and has an integrated high- and low-side MOSFETs for efficient operation. The LT1307CS8#PBF also has an external feedback system for output voltage regulation and is stable with ceramic capacitors. All of these features make the LT1307CS8#PBF an excellent regulator for power supplies.

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