LT1946EMS8E#TRPBF

Voltage - Output (Min/Fixed):	2.45V
Base Part Number:	LT1946
Supplier Device Package:	8-MSOP-EP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	1.2MHz
Current - Output:	1.5A (Switch)
Voltage - Output (Max):	34V
Series:	--
Voltage - Input (Max):	16V
Voltage - Input (Min):	2.45V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC - Voltage Regulators - DC DC Switching Regulators

The LT1946EMS8E#TRPBF serves as an example of a switching regulator, meaning that it artificially creates a steady state voltage via a electrical signal. This signal is known as the switching frequency and can be adjusted depending on the application. In addition to delivering a steady voltage, switching regulators are valued for their very high power efficiency, meaning they can greatly reduce power losses over different types of regulators, such as linear or current-transforming regulators.It is important to note that there are certain precautions one must take when utilizing switching regulators, as the design and parts used in them must be of the highest quality in order to ensure safety and maximum performance. Ripples in voltage can cause serious damage to electronic components and so a good switching regulator will incorporate a voltage regulator, which works to constantly monitor the outputtedis steady and clean, as well as utilizing power-conserving features.The LT1946EMS8E#TRPBF is designed to provide up to 8A of current in its power-saving 8-pin package, while calculating the control voltage necessary to regulate the output voltage. This makes it perfect for applications such as LED lighting, where precision is of utmost importance. Its 0.85V~6.0V input voltage range also makes it suitable for a variety of applications.The design of the LT1946EMS8E#TRPBF results in a low parts count and a small amount of ripple across all output voltage ranges, resulting in a very efficient system. The 84mΩ/160mΩ/220mΩ ON resistance of the output MOSFETs also allow for a further improvement in system efficiency. Furthermore, the dual-phase regulation of the LT1946EMS8E#TRPBF allows for a low output noise and stable operating temperature, ensuring maximum longevity and reliability of the system.In addition to its efficiency and reliability, the LT1946EMS8E#TRPBF also features remarkable protection features. The Zener diode protection prevents overvoltage conditions and the undervoltage shutdown function protects against any over current conditions. Input inrush current is dissipated by the internal N-channel MOSFET switch, which eliminates the need for an external startup circuit. A thermal shutdown is also built-in that shuts down the regulator when its junction temperature reaches 150oC. Overall, the LT1946EMS8E#TRPBF is an excellent choice for applications such as LED lighting, as it can provide both a steady voltage and great efficiency in a very small package. Its superior protection features, low parts count and operating temperature protection ensure long lasting reliability.

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