LTC1436ACGN-PLL#TRPBF

Frequency - Switching:	Up to 400kHz
Base Part Number:	LTC1436
Supplier Device Package:	24-SSOP
Package / Case:	24-SSOP (0.154", 3.90mm Width)
Operating Temperature:	0°C ~ 70°C (TA)
Control Features:	Enable, Power on Reset, Soft Start
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	99%
Series:	--
Voltage - Supply (Vcc/Vdd):	3.5 V ~ 30 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The LTC1436ACGN-PLL#TRPBF is a voltage regulator and DC-DC switching controller from Linear Technology. It is of the PMIC-Voltage Regulator-DC DC Switching Controller type and is designed to provide reliable, efficient and accessible control for power isolators, power distributors, DC-DC converters, and battery chargers. The device is designed for wide input ranges, fast line and load transient response, excellent regulation accuracy, noise immunity, low standby current, and other performance indicators. In addition, the device offers additional protection against over/under voltage conditions, short circuits, reverse polarity, and other fault conditions.

Features and Benefits

The LTC1436ACGN-PLL#TRPBF is an optimized controller for power isolation, distribution, and conversion applications. It features an adjustable precision voltage reference which can be used to program output voltage accuracy, easy enable/disable control, integrated over-temperature protection, soft-start, output enable, and other design parameters. The device is offered in 3.3 V and 5.0 V supply voltages, making it suitable for use in a wide variety of power applications.

Applications

The LTC1436ACGN-PLL#TRPBF is ideal for a range of Power Management applications, including DC/DC converters, switched-mode power supplies, power inverters, AC supplied DC load active-influence systems, and system power regulation. The device can be used in applications requiring intelligent energy management, such as in industrial and automotive Li-Ion battery systems. The device\'s low input current requirement, fast line and load transient response, and high energy efficiency provide a reliable and dependable solution to the needs of many power management applications.

Working Principle

The LTC1436ACGN-PLL#TRPBF is a fixed frequency, voltage-mode controller. Its core circuitry converts the input signal into an output signal, which is then regulated to the output voltage. The device contains an oscillator which operates at a fixed frequency, typically around 100 kHz. The signal is generated by mixing the input voltage and a capacitor, producing an output signal. The signal is then filtered, amplified and compared to a reference voltage. The output voltage is then calculated and regulated until it is within pre-set limits.The LTC1436ACGN-PLL#TRPBF is designed to provide an accurate and reliable voltage regulation for a wide range of power applications. Its adjustable voltage reference allows for precise adjustment of output voltage accuracy, while its precision threshold comparator allows for precise control over the output voltage range and ripple suppression. The device is also equipped with a number of features such as soft-start, output enable, and over-temperature protection. These features provide robust protection to the system and its components.

Conclusion

The LTC1436ACGN-PLL#TRPBF is a high-performance voltage regulator and DC-DC switching controller from Linear Technology. It offers excellent performance and features such as a precision voltage reference, adjustable output voltage accuracy, integrated over-temperature protection, and other design parameters. The device is designed for use in a wide range of power management applications and is especially suited for DC/DC conversion, switched-mode power supplies, power inverters, and AC-supplied DC load active-influence systems. The device provides a reliable and dependable solution to the needs of a variety of power management applications.

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