LTC1148CN#PBF

Frequency - Switching:	Up to 250kHz
Base Part Number:	LTC1148
Supplier Device Package:	14-PDIP
Package / Case:	14-DIP (0.300", 7.62mm)
Operating Temperature:	0°C ~ 70°C (TA)
Control Features:	Current Limit, Enable
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	100%
Series:	--
Voltage - Supply (Vcc/Vdd):	3.5 V ~ 20 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tube

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LTC1148CN#PBF Application Field and Working Principle

The LTC1148CN#PBF is a dual voltage regulator from the PMIC voltage regulator – DC DC Switching Controllers family which is specially designed for portable and battery-operated applications. Built on Linear Technology\'s pulse-switching technology, the device can deliver up to 2A peak current switch. In addition, its wide operating voltage range of 3V - 44V allow for greater flexibility and make it suitable for a variety of applications such as notebooks, personal digital assistants, cellular phones, and testing and measurement systems.The main feature of the LTC1148CN#PBF is its ability to work in dual mode: it can be configured as a switching regulator, which is ideal for boosting and bucking applications, or as a linear regulator, which employs an internal voltage reference. This allows the regulator to maintain a very low output ripple and high efficiency. The device also has a fast transient response and is protected against undervoltage, overvoltage, and output overcurrent conditions. The IC is also capable of pulse frequency modulation (PFM) for improved efficiency in light load conditions.The LTC1148CN#PBF comes in a HeatPlate package, which ensures proper power thermal dissipation by transferring the heat from device to the air. The device has built-in protection against overvoltage, undervoltage, and overcurrent conditions. For switching regulators, it offers output voltage programmability and voltage tracking in addition to providing up to 2A peak current switch.Overall, the LTC1148CN#PBF from Linear Technology provides an efficient and reliable solution for regulating output voltages and currents in a variety of portable and battery-powered applications. Its dual mode feature, programmability, and built-in protection make it an ideal choice for designers looking for increased functionality and flexibility.

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