LT1934ES6#TRPBF

Voltage - Output (Min/Fixed):	1.25V
Base Part Number:	LT1934
Supplier Device Package:	TSOT-23-6
Package / Case:	SOT-23-6 Thin, TSOT-23-6
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	--
Current - Output:	300mA
Voltage - Output (Max):	29.92V
Series:	--
Voltage - Input (Max):	34V
Voltage - Input (Min):	3.2V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to LT1934ES6#TRPBF Application Field and Working Principle

LT1934ES6#TRPBF is an IC series with various devices optimized for efficient step-down, high-side power conversion. This product is designed for use in a wide range of applications, ranging from main power supply for high-current and low-noise circuits to entry-level power supply designs and high efficiency, ultra-small converters. This series operates from an input voltage range of 2.7V to 80V and provides regulated output current up to 3.2A with a no-load input current of under 40μA.

Classification as PMIC - Voltage Regulators - DC DC Switching Regulators

As outlined in Linear Technology’s Application Note AN1582, LT1934ES6#TRPBF devices are classified as Pulse Width Modulated (PWM) Control Based, switching power regulators. This is an IC series intended for DC/DC conversion and is specifically classified as Pulse Width Modulated Control based DC/DC switching power regulators, put into the general category of PMICs (Power Management ICs) carrying Voltage Regulators and DC/DC Switching Regulators.

Particulars of the LT1934ES6#TRPBF Series

The LT1934ES6#TRPBF series offers many features that make it an attractive solution for power management applications. It is designed to operate with an input voltage range of 2.7V-80V and includes a wide range of features to guarantee an efficient, stable and reliable operation. These features include: an internal regulator, internal protection circuitry, adjustable soft-start, low output voltage ripple, adjustable switching frequency, adjustable current limit and temperature limit, clock synchronization, internal compensation, logic-level shutdown and adjustable output voltages.

Operating Principle of the LT1934ES6#TRPBF

LT1934ES6#TRPBF devices are designed around the principle of Pulse Width Modulation (PWM). PWM works by varying the duty cycle of pulses put out by a control circuit at a fixed frequency. In essence, the width of the pulses determines how long a power transistor needs to be switched on, thus controlling the power delivered to the load. The input voltage and the regulated output voltage can be adjusted or fixed by means of external components such as resistors and capacitors.

Features and Benefits of the LT1934ES6#TRPBF

The LT1934ES6#TRPBF series offers a high level of protection and performance even in tough environments. It is equipped with thermal shutdown and current limit protection, allowing it to operate safely up to its full ratings. Additionally, the device is also able to stabilize its output voltage with average current load fluctuations. This makes it able to minimize the stress on output power components and minimize power dissipation. The series also has tight DC output tolerance, low output noise and high efficiency at the same time.

Applications of the LT1934ES6#TRPBF

The LT1934ES6#TRPBF series is suitable for a wide variety of applications. It is a highly reliable, efficient and cost-effective device for main power supplies and entry-level power distribution systems, providing up to 3.2A of continuous output current. Additionally, it can be used for ultra-small, low profile converters capable of supplying ultra-low output voltages. It is also compatible with Li-Ion, NiMH or Lead acid battery chargers and fast-charging systems.

Conclusion

LT1934ES6#TRPBF devices from Linear Technology are a family of powerful, versatile and reliable pulse width modulated control based power regulators. This series of standardized ICs is suitable for many applications and offers an array of features. It is especially advantageous for low power supply designs, ranging from entry level applications to high current and low noise circuits, providing efficient and controlled DC/DC conversion.

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