LT3433IFE

Abbildungen dienen nur als Referenz

LT3433IFE

+Stückliste

IC REG BCK BST ADJ 500MA 16TSSOP

365 Tage Qualitätsgarantie

7*24 Stunden-Servicegarantie

90-Tage Kundendienstgarantie

Originalproduktgarantie

Spezifikationen

Attribut Wert
Part Status Obsolete
Function Step-Up/Step-Down
Output Configuration Positive
Topology Buck-Boost
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 4V
Voltage - Input (Max) 60V
Voltage - Output (Min / Fixed) 3.3V
Voltage - Output (Max) 20V
Current - Output 500mA (Switch)
Frequency - Switching 200kHz
Synchronous Rectifier No
Mounting Type Surface Mount
Package / Case 16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package 16-TSSOP-EP
Base Product Number LT3433

Übersicht

Description

The LT3433IFE is a high-performance, synchronous step-down DC-DC converter designed by Analog Devices, specifically for applications requiring high efficiency and compact design. Featuring a wide input voltage range of 4.5V to 60V, it can deliver adjustable output voltages down to 0.8V, making it suitable for a variety of power management applications, including industrial, automotive, and battery-powered devices.
The LT3433IFE operates with a programmable switching frequency, typically set between 300 kHz and 2.5 MHz, allowing designers to optimize efficiency and minimize component size. Its integrated MOSFETs reduce the need for external components, while built-in features such as current mode control, soft-start, and thermal shutdown enhance reliability and performance.
The device also includes protection features like overcurrent protection and a power good indicator. With its combination of high efficiency, flexible functionality, and robust protection mechanisms, the LT3433IFE is an ideal choice for modern power supply designs where space and efficiency are critical.

Equivalent

Equivalent products to the LT3433IFE include the TPS563201 from Texas Instruments, the MP1584 from Monolithic Power Systems, and the LM2596 from Texas Instruments. These alternatives provide similar features for step-down (buck) voltage regulation applications. Check specific datasheets for detailed specifications to ensure compatibility with your design requirements.

Features

The LT3433IFE is a high-performance, low-power synchronous step-down DC/DC converter designed for demanding applications. Key features include:
1. Input Voltage Range: Operates from 3.6V to 60V, making it suitable for a wide range of power sources.
2. Output Current: Delivers up to 3A of continuous output current.
3. Efficiency: High efficiency (up to 95%) across various load conditions, minimizing heat generation.
4. Output Voltage: Adjustable output voltage from 0.8V to 60V, allowing flexibility for different applications.
5. Integrated MOSFETs: Includes internal power MOSFETs, reducing external component count and improving reliability.
6. Switching Frequency: Operates at a programmable switching frequency, allowing optimization between efficiency and size.
7. Soft-Start: Features a soft-start function to limit inrush current upon startup.
8. Thermal Protection: Integrated thermal shutdown for safety under high-temperature conditions.
9. Compact Package: Available in a thermally enhanced package for improved heat dissipation.
These features make the LT3433IFE ideal for industrial and automotive power supply applications.

Pinout

The LT3433IFE is a high-voltage step-down regulator from Analog Devices (formerly Linear Technology). It comes in a 16-lead, thermally enhanced TSSOP package. The pin count is 16.
Key functions of the pins include:
1. VIN (Pin 1): Input voltage supply.
2. SW (Pins 2, 3): Switch node for the power stage.
3. GND (Pin 4): Ground reference.
4. VOUT (Pin 5): Output voltage feedback.
5. COMP (Pin 6): Compensation node for stability.
6. FB (Pin 7): Feedback voltage input for regulation.
7. VREF (Pin 8): Reference voltage output.
8. ISEN (Pin 9): Current sense input.
9. SS (Pin 10): Soft-start input.
10. RUN (Pin 11): Enable pin for on/off control.
11. CSN (Pin 12): Current sense negative input.
12. CSP (Pin 13): Current sense positive input.
13. SLOPE (Pin 14): Slope compensation for stability.
14. PG (Pin 15): Power good output.
15. PGND (Pin 16): Power ground.
These pins work together to provide efficient voltage regulation in various applications.

Manufacturer

The LT3433IFE is manufactured by Analog Devices, Inc. Analog Devices is a leading global company that specializes in designing and manufacturing a wide range of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company is known for its innovative solutions in various applications, including communications, industrial automation, automotive, healthcare, and consumer electronics. With a focus on precision and performance, Analog Devices plays a crucial role in enabling advancements in technology and engineering. The LT3433IFE specifically is a high-voltage step-down regulator, highlighting the company's strength in power management solutions.

Application

The LT3433IFE is a high-efficiency, step-down (buck) DC-DC converter primarily used in applications such as automotive power management, industrial control systems, and battery-powered devices. Its features make it suitable for powering microcontrollers, sensors, and RF devices. Additionally, it can be employed in telecommunications equipment, LED drivers, and portable electronics where compact size and high efficiency are crucial. The device's ability to handle wide input voltages and deliver adjustable output makes it versatile for various power supply needs in demanding environments.

Package

The LT3433IFE is packaged in a 12-lead MSOP (Mini Small Outline Package) format. This package type is designed for compact applications while maintaining ease of soldering and good thermal performance.

Produkte, die mit LT3433IFE zusammenhängen