LT3973IMSE-3.3#PBF

Voltage - Output (Min/Fixed):	3.3V
Base Part Number:	LT3973
Supplier Device Package:	10-MSOP-EP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	195kHz ~ 2.15MHz
Current - Output:	750mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	42V
Voltage - Input (Min):	4.2V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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The LT3973IMSE-3.3#PBF is a high-performance, 375mA, low-noise, synchronous monolithic Buck regulator. It is designed to deliver superior efficiency, power density, and transient response. The LT3973IMSE-3.3#PBF operates from a wide 4V to 28V input voltage range and provides a regulated 3.3V output with up to 375mA of load current. The device is protected with a thermal shutdown, overvoltage and undervoltage protection, and short circuit protection. The LT3973IMSE-3.3#PBF is a PMIC (Power Management IC) Voltage Regulator in the DC-DC Switching Regulator category.The LT3973IMSE-3.3#PBF is a monolithic Buck regulator with a 4A gate driver, which can drive an external N-channel synchronous MOSFET. The high gate driving current allows it to switch higher current with lower external components. The device also provides a near instantaneous turn-on time of 0.45 μs and sufficient phase lag protection to minimize noise during load transients. The device supports a variety of controls, including a comprehensible programming interface, spread spectrum frequency control, and active current limit. The LT3973IMSE-3.3#PBF features a synchronous rectification technique which uses an integrated 4A gate driver and an N-channel FET to achieve up to 95% efficiency at high currents. The internal gate driver provides fast gate turn-on and turn-off, allowing for a faster response time when responding to load changes. The device operates from a wide supply voltage range of 4V to 28V and can be used to power both high and low voltage systems. The 4V minimum allows the device to be used in applications where a low-voltage source needs to be regulated to a higher output voltage. In addition to its synchronous rectification technology, the LT3973IMSE-3.3#PBF also offers comprehensive protection features. The device is protected with a thermal shutdown, overvoltage and undervoltage protection, and short circuit protection. The thermal protection feature prevents thermal overload and ensures safe and reliable operation. The over-voltage protection feature stops action of the regulator when exceeding its expected operating voltage, while the under-voltage protection feature prevents the device from operating when the input voltage is too low. Finally, the short-circuit protection feature prevents damage to the device when it is exposed to an overload for a prolonged period of time.The LT3973IMSE-3.3#PBF is an ideal solution for a variety of applications including industrial, automotive, and telecommunications. With its low-noise performance, superior efficiency and transient response, and wide input voltage range, the LT3973IMSE-3.3#PBF is designed for reliable power delivery for high-precision portable applications.

The LT3973IMSE-3.3#PBF is a high-performance, 375mA, low-noise, synchronous monolithic Buck regulator. It is designed to deliver superior efficiency, power density, and transient response. The LT3973IMSE-3.3#PBF operates from a wide 4V to 28V input voltage range and provides a regulated 3.3V output with up to 375mA of load current. The device is protected with a thermal shutdown, overvoltage and undervoltage protection, and short circuit protection. The LT3973IMSE-3.3#PBF is a PMIC (Power Management IC) Voltage Regulator in the DC-DC Switching Regulator category.

The LT3973IMSE-3.3#PBF is a monolithic Buck regulator with a 4A gate driver, which can drive an external N-channel synchronous MOSFET. The high gate driving current allows it to switch higher current with lower external components. The device also provides a near instantaneous turn-on time of 0.45 μs and sufficient phase lag protection to minimize noise during load transients. The device supports a variety of control

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