TL3844P

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TL3844P

IC REG CTRLR BST FLYBK PWM 8-DIP

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Thông số kỹ thuật

Part Status Active
Output Type Transistor Driver
Function Step-Up, Step-Up/Step-Down
Output Configuration Positive
Topology Boost, Flyback, Forward
Number of Outputs 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 10V ~ 30V
Frequency - Switching Up to 500kHz
Duty Cycle (Max) 48%
Synchronous Rectifier No
Clock Sync No
Control Features Frequency Control
Operating Temperature 0°C ~ 70°C (TA)
Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-PDIP
Base Product Number TL3844

Tổng quan

Description

TL3844P is a precision voltage regulator and controller often used in power management applications. It is designed to provide stable output voltage for various electronic devices. The device typically features adjustable output voltage, low dropout voltage, and a wide input voltage range, making it suitable for battery-operated systems.
Key features include overcurrent protection, thermal shutdown, and the ability to support multiple output configurations. TL3844P is commonly utilized in switching power supplies, battery chargers, and DC-DC converters. Its robust performance and reliability make it a popular choice for engineers in designing efficient power solutions.
The TL3844P is widely recognized for its ease of use and integration into compact circuits, making it ideal for both consumer and industrial applications.

Features

The TL3844P is a versatile voltage mode PWM (Pulse Width Modulation) controller designed for power supply applications. Key features include:
1. Wide Input Voltage Range: Operates from 8V to 40V, suitable for various power supply configurations.
2. Adjustable Output Voltage: Supports an adjustable output voltage level for customizable applications.
3. Frequency Control: Typically operates at 100kHz, allowing for efficient energy conversion and small component sizes.
4. Integrated Soft Start: Prevents excessive inrush current at startup, enhancing system reliability.
5. Overcurrent Protection: Includes features for cycle-by-cycle current limiting to safeguard against overloads.
6. Thermal Shutdown: Protects the device from overheating, ensuring safe operation under adverse conditions.
7. Diverse Applications: Ideal for power supplies in telecommunications, computers, and industrial equipment.
Overall, the TL3844P is suitable for creating efficient, reliable, and safe power supply designs.

Package

The TL3844P is available in a 14-pin dual in-line package (DIP). This package type is commonly used for integrated circuits, offering easy mounting and soldering for various electronic applications.

Pinout

The TL3844P is a voltage mode PWM controller with a total of 8 pins. The pinout and functions are as follows:
1. Pin 1 (VCC) - Power supply input.
2. Pin 2 (GND) - Ground reference.
3. Pin 3 (COMP) - Compensation network for stability.
4. Pin 4 (ISENSE) - Current sense input for overcurrent protection.
5. Pin 5 (RAMP) - Ramp generator input for frequency modulation.
6. Pin 6 (TRI) - Triangle wave output for PWM modulation.
7. Pin 7 (CT) - Timing capacitor connection for frequency setting.
8. Pin 8 (OUT) - Output to drive the external switching device.
The TL3844P is commonly used in power supply applications for its ability to regulate output voltage and provide overcurrent protection.

Manufacturer

The TL3844P is manufactured by Texas Instruments (TI), a well-known semiconductor company. Texas Instruments is a global leader in the design and production of analog and embedded processing chips. Founded in 1930, TI primarily serves the electronics industry, providing a wide range of products that include microcontrollers, processors, and various other semiconductor solutions. The company is recognized for its innovation and commitment to integrating advanced technologies in applications spanning automotive, industrial, communications, and consumer electronics sectors. Texas Instruments is also known for its educational tools and resources, contributing to the advancement of technology and engineering education.

Application

The TL3844P is primarily used in power supply applications, including switch-mode power supplies (SMPS), automotive power supplies, and battery chargers. It serves as a pulse-width modulation (PWM) controller for regulating voltage and current, enabling efficient energy conversion. Additionally, it can be utilized in various industrial applications requiring high efficiency and reliability.

Equivalent

The TL3844P chip is a popular PWM controller used for power supply applications. Equivalent products include the TL3842, TL3843, and TL3845. Other compatible alternatives are the LM2596, LM3478, and MC34063, which may have slight differences in specifications or features. Always check the datasheets for specific parameters to ensure compatibility for your application.

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