LT1054IDWRG4

Voltage - Output (Min/Fixed):	3.5V (-Vin, 2Vin)
Base Part Number:	LT1054
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	25kHz
Current - Output:	100mA
Voltage - Output (Max):	26.4V
Series:	--
Voltage - Input (Max):	15V
Voltage - Input (Min):	3.5V
Number of Outputs:	1
Output Type:	Adjustable (Fixed)
Topology:	Charge Pump
Output Configuration:	Positive or Negative
Function:	Ratiometric, Step-Up
Part Status:	Active
Packaging:	Tube

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction to LT1054IDWRG4 Application Field and Working Principle

The LT1054IDWRG4 is a fixed-frequency, high-performance switching regulator control IC designed to replace the conventional linear regulator in a variety of power applications. It has high accuracy, low noise and very good transient response characteristics and can be used in a wide range of applications. The device is a high-performance dc/dc switching regulator, featuring a high power efficiency to reduce power consumption, a wide voltage range that enables high voltage, and a high noise immunity to protect sensitive circuitry from radio frequency interference.

Power Management ICs (PMICs)

Power Management ICs (PMICs) are integrated circuits that provide the necessary control of voltage, current, temperature and reliability for most power management applications. They are designed to provide the function of an entire power management system in a single integrated package. This provides a major contribution to system reliability, because all of the components of the power management system are contained within the same package. The LT1054IDWRG4 belongs to the PMIC category of Voltage Regulators, which provide a regulated output voltage from an input voltage source. The most commonly used voltage regulator type is the DCDC Switching Regulator, which is the topic of this article.

DCDC Switching Regulators

DCDC switching regulators are electronic control circuits that efficiently convert a voltage from one level to another, typically from a battery or wall power supply to a lower, regulated output voltage level. The regulator consists of a power switch, a control IC, and an output filter. The switch is typically a power MOSFET, power BJT, or a hybrid combination of the two. The control IC oversees the operations of the switch and filter, providing directional control, current limit control, and switching frequency control. The filter typically consists of an inductor and a capacitor, to filter the switch ripple from the output signal.

LT1054IDWRG4 Application Field

The LT1054IDWRG4 is designed as a P-Channel MOSFET based switching regulator, ideal for a wide range of applications. It is capable of operating over a wide input voltage range of 3-30V, and a wide output voltage range of 0.8V-15V. It features a high accuracy band gap reference, low quiescent current, pulse-by-pulse current limiting, thermal shutdown protection, enable control, and a high-frequency fixed switching frequency of 5.0 MHz. The device is designed to run on a wide range of input voltages and to drive a single P-channel MOSFET, enabling the use of a wide range of regulating circuitry to achieve design goals.

LT1054IDWRG4 Working Principle

The operating principle of the LT1054IDWRG4 is based on the concept of pulse width modulation (PWM). In this type of switching regulator, the input voltage is processed by the control IC to generate a PWM signal that is used to control the switching of a power switch, such as a MOSFET or a BJT. The PWM signal is measured in duty cycle, which is the percentage of time the power switch is in the on state. The PWM signal is then used to vary the output current, and by manipulating the duty cycle, the output current can be accurately controlled. The output voltage is regulated by the filter circuit, typically containing an inductor and a capacitor.

Conclusion

The LT1054IDWRG4 is a high-performance switching regulator control IC designed to replace the conventional linear regulator in a variety of power applications. It belongs to the category of Voltage Regulators, under the umbrella of Power Management ICs (PMICs) and is designed as a DCDC Switching Regulator. It can operate over a wide input voltage range of 3-30V, and features a high accuracy band gap reference, low quiescent current, pulse-by-pulse current limiting, thermal shutdown protection, enable control, and a high-frequency fixed switching frequency of 5.0 MHz. The device works on the principle of pulse width modulation (PWM) and regulated by the filter circuit, typically containing an inductor and a capacitor. The LT1054IDWRG4 is a versatile, reliable, and cost-effective choice for your switching regulator needs.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description