LTC3803ES6#TRPBF

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LTC3803ES6#TRPBF

+Nomenclature

IC REG CTRLR FLYBACK TSOT23-6

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Spécifications

Attribut Valeur
Part Status Active
Output Type Transistor Driver
Function Step-Up/Step-Down
Output Configuration Positive, Isolation Capable
Topology Flyback
Number of Outputs 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 5.7V ~ 8V
Frequency - Switching 200kHz
Duty Cycle (Max) 80%
Synchronous Rectifier No
Clock Sync No
Control Features Current Limit, Enable
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case SOT-23-6 Thin, TSOT-23-6
Supplier Device Package TSOT-23-6
Base Product Number LTC3803

Présentation

Description

The LTC3803ES6#TRPBF is a high-performance, synchronous step-down DC-DC controller designed by Linear Technology (now part of Analog Devices). It features a wide input voltage range, typically from 4.5V to 60V, allowing it to efficiently convert higher voltage sources to lower output voltages with high precision. This integrated circuit supports a maximum output current of up to 10A and includes advanced features such as adjustable output voltage, soft-start, and frequency synchronization, making it suitable for a variety of applications including automotive, industrial, and telecommunications.
The LTC3803 employs a current-mode control architecture, which enhances stability and transient response, and supports both continuous and discontinuous modes of operation. This controller can be configured for both buck and boost applications, offering flexibility in design. Additionally, the device is packaged in a compact 6-lead SOT-23 package, making it ideal for space-constrained applications. Its efficiency and thermal performance contribute to reliable operation in demanding environments.

Equivalent

The LTC3803ES6#TRPBF is a step-down (buck) controller. Equivalent products include the LM2675, LTC3804, TPS54140, and MIC2214. When selecting an equivalent, ensure compatibility with specifications such as input/output voltage, current ratings, and features like soft-start and enable functions. Always verify with the manufacturer's datasheet for exact matches.

Features

The LTC3803ES6#TRPBF is a high-performance step-down voltage regulator controller. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 60V, suitable for various applications.
2. Adjustable Output Voltage: Output voltage is adjustable from 0.8V to 60V, allowing flexibility in design.
3. Constant Frequency Operation: Operates at a fixed frequency, providing predictable performance.
4. High Efficiency: Achieves high efficiency through its advanced control architecture, reducing power loss.
5. Current Mode Control: Enables fast transient response and excellent line and load regulation.
6. Integrated Soft-Start: Limits inrush current during startup.
7. Wide Temperature Range: Operates over -40°C to 125°C for reliability in harsh environments.
8. Protection Features: Includes over-voltage protection, over-current protection, and thermal shutdown.
These features make the LTC3803ES6#TRPBF ideal for various applications such as industrial, automotive, and telecommunications.

Pinout

The LTC3803ES6#TRPBF is a dual-output, synchronous step-down (buck) DC/DC controller with 6 pins. Its primary functions include:
1. Pin Count: 6 pins.
2. Pin Functions:
- VIN: Input voltage supply.
- GND: Ground connection.
- SW: Switch node for the buck converter.
- VOUT: Output voltage feedback.
- COMP: Compensation network connection for stability.
- SENSE: Voltage sense input for feedback control.
The LTC3803 is typically used in applications requiring efficient step-down conversion, allowing for adjustable output voltages and features like frequency adjustment and soft-start capabilities.

Manufacturer

The LTC3803ES6#TRPBF is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational semiconductor company that specializes in data conversion, signal processing, and power management technologies. Founded in 1965, the company develops a wide range of integrated circuits (ICs) and solutions used in various applications, including industrial automation, automotive, communications, consumer electronics, and healthcare.
Analog Devices is well-known for its high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The LTC3803 is specifically a high-performance DC-DC controller used for managing power supplies in electronic devices. The "#TRPBF" suffix indicates that the part is offered in a specific package (SOT-23) and is lead-free. ADI is recognized for its innovation and quality in the semiconductor industry, making it a key player in providing solutions for the growing demands of modern electronic applications.

Application

The LTC3803ES6#TRPBF is a high-performance voltage mode controller primarily used in power management applications. Its key application areas include:
1. DC-DC Converters: It is ideal for buck (step-down) and boost (step-up) converter designs.
2. Power Supply Systems: Utilized in industrial, automotive, and telecom power supplies to regulate voltage.
3. Battery Chargers: Helps in designing efficient battery charging circuits.
4. LED Drivers: Used for driving LED arrays with precise current control.
5. Point of Load (POL) Converters: Suitable for converting voltages at the point of use in computing and embedded systems.
Its versatility and efficiency make it suitable for various electronic devices and systems.

Package

The LTC3803ES6#TRPBF comes in a 6-lead SOT-23 package. This surface-mount package is designed for compact applications, offering a small footprint and efficient thermal performance.

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