LT3045EMSE#PBF

Current - Output:	500mA
Base Part Number:	LT3045
Supplier Device Package:	12-MSOP-EP
Package / Case:	12-TSSOP (0.118", 3.00mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
Control Features:	Enable, Power Good, Soft Start
PSRR:	117dB ~ 53dB (120Hz ~ 10MHz)
Current - Supply (Max):	25mA
Current - Quiescent (Iq):	20µA
Series:	--
Voltage Dropout (Max):	0.45V @ 500mA
Voltage - Output (Max):	15V
Voltage - Output (Min/Fixed):	0V
Voltage - Input (Max):	20V
Number of Regulators:	1
Output Type:	Programmable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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Introduction to LT3045EMSE#PBFLT3045EMSE#PBF, which is a member of the LT3045 family of linear voltage regulators, is a high-efficiency, high-current, low-dropout, ultra-low noise DC/DC converter. The LT3045EMSE#PBF is a low-noise, low-dropout linear regulator with a wide input voltage range of 2.6V to 8.5V and an adjustable output voltage range of 0.8V to 6V. It has a typical quiescent current of 5.5mA, a maximum quiescent current of 10mA, and a maximum load current of 6A. The wide input voltage range, low dropout voltage, and low noise make this device ideal for a wide range of applications such as telecom, automotive, industrial and consumer applications.Application Field of LT3045EMSE#PBFThe wide input voltage range of the LT3045EMSE#PBF makes it suitable for a wide variety of applications such as telecom, automotive, industrial and consumer applications. Its capability to regulate an input voltage of 2.6V to 8.5V and an adjustable output voltage of 0.8V to 6V makes it ideal for powering high-current loads, as well as providing high-precision voltage regulation and excellent transient response.The high efficiency and noise rejection make it a great fit for telecom applications, where low noise and high efficiency are critical for data transmission and reception. The low dropout voltage and high efficiency make it an ideal alternative to standard linear regulators for automotive applications, where low dropout voltage is a priority. The LT3045EMSE#PBF is well-suited to industrial applications, where it can supply high current loads for long-term stable operation. The device is also well-suited to consumer applications, where low noise and wide input voltage ranges are critical for applications such as USB chargers and power adapters.Working Principle of LT3045EMSE#PBFThe LT3045EMSE#PBF operates on the principle of linear voltage regulation. Typically, the voltage between the input and the output of a linear regulator is regulated by a series transistor, which provides current to the load as necessary to match the output voltage to the reference voltage. The LT3045EMSE#PBF incorporates current-mode control, which improves performance by controlling the inner current-control loop directly. This enables the LT3045EMSE#PBF to achieve higher efficiency and improved transient response.When the input voltage exceeds the output voltage, the series transistor is on and the load current flows through the series transistor to the reference pin, resulting in a voltage drop from the input to the output. The LT3045EMSE#PBF features a fast current-mode control loop for quick tracking and better line/load transient response. The current-mode control loop regulates the output voltage by comparing the voltage on the sense pin to the reference voltage. When the input voltage drops below the output voltage, the series transistor is off and the output voltage is maintained by the output capacitor.ConclusionThe LT3045EMSE#PBF is a linear voltage regulator that is ideal for a variety of applications, including telecom, automotive, industrial and consumer applications. Its wide input voltage range and adjustable output voltage range make it a great fit for high-current loads and high-precision voltage regulation. The device operates on the principle of linear voltage regulation and incorporates current-mode control for improved performance. Thanks to its low dropout voltage, high efficiency and noise rejection, the LT3045EMSE#PBF is an excellent choice for a variety of applications.

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