LTC1159CS#PBF

Frequency - Switching:	Up to 250kHz
Base Part Number:	LTC1159
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
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):	4 V ~ 40 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive or Negative
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tube

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The LTC1159CS#PBF is a DC, DC switching controller belonging to a family of integrated circuits known as PMIC, which stands for Power Management IC. This particular IC is designed to control the operations of switch-mode power supplies, providing highly efficient and precise control of output voltage, current, and frequency.The LTC1159CS#PBF is a perfect choice for applications such as small form-factor cell phones and MP4 players, as well as for high current or high power supplies. The high level of integration allows for very small physical size and reduced complexity, and the wide input voltage range of 3V to 40V makes it suitable for many different applications.The LTC1159CS#PBF can provide very precise control of the switch-mode power supply, as it includes an on-board, adjustable differential amplifier with programmable gain settings. The amplifier and the control transistor both provide current regulation, while the device also features pulse widening control and soft-start features, as well as protection against over-voltage and under-voltage.The LTC1159CS#PBF also contains several other features which are designed to make it highly reliable and effective in controlling power supply operations. These features include an on-chip oscillator which adjusts frequency according to feedback voltage, which is designed to ensure that the correct output voltage is provided at all times. Another feature is the constant current limiter, which allows for a very accurate output current limit to be set.The LTC1159CS#PBF is also able to provide very efficient operation, with a quiescent current draw of just 10µA. This means that the device is almost always in a low-current state, resulting in significantly lower power consumption compared to other switch-mode power supply controllers.The LTC1159CS#PBF is a highly reliable and efficient DC/DC switching controller, which is capable of providing precise control of output voltage, current, and frequency. Its wide input voltage range makes it suitable for a variety of applications, while the features such as accurate on-board differential amplifier and constant current limiter provide reliable and efficient operation. It is an excellent choice for applications where a small form-factor device is needed, as it only takes up a tiny amount of board space due to its highly integrated design. With its high level of accuracy and performance, the LTC1159CS#PBF is a perfect choice for any application requiring a reliable and efficient DC/DC switching controller.

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