LT1371ISW#PBF

Series:	--
Packaging:	Tube
Part Status:	Active
Function:	Step-Up, Step-Down, Step-Up/Step-Down
Output Configuration:	Positive or Negative
Topology:	Buck, Boost, Cuk, Flyback, Forward Converter, SEPIC
Output Type:	Adjustable
Number of Outputs:	1
Voltage - Input (Min):	2.7V
Voltage - Input (Max):	30V
Voltage - Output (Min/Fixed):	1.245V
Voltage - Output (Max):	35V (Switch)
Current - Output:	3A (Switch)
Frequency - Switching:	500kHz
Synchronous Rectifier:	No
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	20-SOIC
Base Part Number:	LT1371

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LT1371ISW#PBF is a low dropout, dual low-noise, high-performance switch-mode voltage regulator. It is a member of the Linear Technology family of DC-DC switching regulators, specifically targeted for automotive applications. Its primary application fields include automotive applications, such as electric power steering, lighting, and battery charging.The Linear Technology LT1371ISW is a low dropout (LDO) regulator, which switches between two preset voltage levels at a high frequency. It is designed to convert an input voltage range of 1.7 to 40V into two regulated output voltages. The switching frequency of the device is 2 to 5 MHz, though this may be adjusted by an external resistor. The device also has a 7-bit digitally programmable output voltage.The LT1371ISW#PBF has an inner voltage regulation loop and an outer current-limiting loop. The inner regulation loop utilizes a low input offset, stable gain, and rail-to-rail error amplifier. The outer current-limiting loop actively limits current during startup and over-current conditions. This ensures protection from short-circuit and thermal overload. The device also features a forced PWM mode, which reduces audible noise, and frequency dithering for improved light/load load transient response.The LT1371ISW#PBF is capable of delivering up to 7A of output current. It is designed to minimize switching losses in order to maintain high efficiency. It achieves high-efficiency due to its use of synchronous rectifiers, which reduce switching losses and increase efficiency compared to conventional PWM methods. The device includes a low frequency synchronous rectifier, which enables low quiescent current operation. The power good signal flags when the voltage is outside of the predetermined range. The device is housed in the SOP-16 package and is guaranteed for operation over a temperature range of -40 to +125°C.The LT1371ISW#PBF is an ideal choice for automotive applications, where high performance and dependability are required. It is particularly suited for applications such as electric power steering, lighting, and battery charging. Its high performance, efficiency, and scalability make it an attractive option for automotive and other low voltage, high current applications.

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