LT1533IS#TRPBF

Voltage - Output (Min/Fixed):	1.25V
Base Part Number:	LT1533
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 100°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	20kHz ~ 250kHz
Current - Output:	1A (Switch)
Voltage - Output (Max):	30V (Switch)
Series:	--
Voltage - Input (Max):	23V
Voltage - Input (Min):	2.7V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Push-Pull
Output Configuration:	Positive or Negative, Isolation Capable
Function:	Step-Up/Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LT1533IS#TRPBF, part of STMicroelectronics\' voltage regulators (VR) family, is widely used in a variety of applications due to its excellent features and power efficiency. Specifically, it is a high-efficiency, DC-DC switching regulator that provides high-speed switching, low-dropout (LDO) regulation, and a wide input voltage range with integrated MOSFETs.The LT1533IS#TRPBF is primarily intended for use as an LDO regulator, providing a low-noise, low-dropout output voltage with a wide input voltage range of 3.3V to 18V. It uses a constant On-Time (COT) control architecture and features a wide frequency range of 500kHz to 4MHz. As a result, it is capable of achieving very high power efficiency rates as well as high output current capability over different temperature grades.The LT1533IS#TRPBF also features a programmable soft-start, an adjustable cycle-by-cycle current limit, and an internal thermal limit. The internal thermal limit will give protection against over-temperature conditions by automatically reducing the switching frequency or by disabling the main output.The LT1533IS#TRPBF can be used to drive different loads, including three-terminal voltage regulators, which provide extra low-noise regulation and power efficiency. In addition, the LT1533IS#TRPBF can also be used in high voltage and high temperature applications, such as automotive, industrial, and lighting applications.The device\'s integrated power switches are low on-resistance, low-loss N-channel MOSFETs, allowing for a very high switching frequency. The device is also highly efficient, achieving up to 95% efficiency in some applications. Furthermore, the LT1533IS#TRPBF is capable of providing an incredibly low output voltage noise, down to 1mVrms in some applications.The LT1533IS#TRPBF is also very easy to use, as it requires minimal external components. Indeed, it requires only two external components, namely a capacitor for the output voltage and an inductor for the switching frequency control. Furthermore, the LT1533IS#TRPBF can also be used in parallel operation, allowing for power scaling applications.In conclusion, the LT1533IS#TRPBF is an excellent choice for DC-DC switching regulator applications due to its high-speed switching, low-dropout regulation, wide input voltage range and integrated MOSFETs. It is highly efficient and can provide very low output voltage noise. Furthermore, it is easy to use and requires only minimal external components.

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