LTC7138EMSE#PBF

Series:	--
Packaging:	Tube
Part Status:	Active
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Output Type:	Adjustable (Programmable)
Number of Outputs:	1
Voltage - Input (Min):	4V
Voltage - Input (Max):	140V
Voltage - Output (Min/Fixed):	0.8V (1.8V, 3.3V, 5V)
Voltage - Output (Max):	140V
Current - Output:	400mA
Frequency - Switching:	--
Synchronous Rectifier:	No
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	16-TFSOP (0.118", 3.00mm Width) Exposed Pad, 12 Leads
Supplier Device Package:	16-MSOP-EP
Base Part Number:	LTC7138

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

LTC7138EMSE#PBF: Application Field and Working Principle

Introduction

The LTC7138EMSE#PBF is a fully integrated, high-efficiency monolithic switching regulator designed for application in systems where the input voltage is below or above the output voltage. This device is categorized as a PMIC (Power Management IC) - Voltage Regulator - DC DC Switching Regulator and is part of Linear Technology\'s polymer submicron series. This product is available in a thermally enhanced 3 mm × 3 mm QFN-16 E-pad package with an operational junction temperature of up to 150°C.

Features

Some of the key features of the LTC7138EMSE#PBF include:• 5 V to 16 V input voltage range• Guaranteed output currents up to 2 A • Operating frequency between 500 kHz and 2 MHz • Soft-start and burst mode operation• Thermal shutdown and short circuit protection• High efficiency (up to 95%)• Low quiescent current• Small footprint and high power density

Applications

The LTC7138EMSE#PBF is ideal for use in a wide range of applications, including:• Telecommunications and wireless equipment• Automotive systems• Industrial and consumer electronics • Printers and portable computers• Battery-powered consumer electronics and portable medical devices• Switching power supplies

Working Principle

The LTC7138EMSE#PBF switching regulator works by continuously switching an NMOS (n-channel MOSFET) connected between the input and the output. This has the effect of rapidly transferring energy from one side to the other and reduces the need for large external components like transformers and inductors.The internal circuitry works by sensing the input voltage, comparing it to the reference voltage, and then controlling the switch in order to maintain the output voltage at the desired level. The internal current-sense amplifier and voltage sense amplifier are used to detect any over-current or voltage droops caused by load transients. The LTC7138EMSE#PBF also features an internal compensation network, which helps to ensure a stable, accurate output voltage.

Summary

The LTC7138EMSE#PBF is a highly efficient, monolithic switching regulator with a wide range of features, making it suitable for a variety of applications. It offers an input voltage range of 5 V to 16 V and a guaranteed output current of up to 2 A, making it ideal for various industrial and consumer electronics, as well as other applications. Its advanced internal circuitry allows it to accurately detect and regulate the output voltage, while its thermally enhanced packaging ensures reliable operation even at high temperatures.

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

Part Number	Manufacturer	Price	Quantity	Description