LT3433IFE#TRPBF

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LT3433IFE#TRPBF

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IC REG BCK BST ADJ 500MA 16TSSOP

  • HerstellerAnalog Devices Inc.

  • Herstellerteil #LT3433IFE#TRPBF

  • Auf Lager8300

365 Tage Qualitätsgarantie

7*24 Stunden-Servicegarantie

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Spezifikationen

Attribut Wert
Part Status Active
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
Operating Temperature -40°C ~ 125°C (TJ)
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#TRPBF is a high-performance, synchronous step-down switching regulator designed by Analog Devices (formerly Linear Technology). It operates with a wide input voltage range, typically from 4.5V to 60V, making it suitable for a variety of applications, including industrial and automotive systems. The device features a compact design, integrating both the high-side and low-side MOSFETs, which improves efficiency and reduces the overall footprint.
Key specifications include adjustable output voltage, high efficiency (up to 95%), and the ability to deliver high output current. It supports features such as pulse-width modulation (PWM) control for improved transient response and a built-in soft-start mechanism to limit inrush current during startup.
Additionally, the LT3433IFE#TRPBF offers thermal shutdown and current limit protection for enhanced reliability. It is suitable for powering microcontrollers, sensors, and other components in battery-operated and line-powered applications. The device is available in a thermally enhanced package, ensuring efficient heat dissipation.

Equivalent

The LT3433IFE#TRPBF is a high-efficiency boost converter. Equivalent products include:
1. TPS61040 - Texas Instruments
2. MICROCHIP MCP16331 - Microchip Technology
3. LM2577 - Texas Instruments
4. LT1302 - Analog Devices
Check compatibility in terms of input/output voltage, current ratings, and other specifications for your specific application.

Features

The LT3433IFE#TRPBF is a high-efficiency, step-down DC-DC converter designed for a wide range of applications. Key features include:
1. Wide Input Voltage Range: Accepts input voltages from 4.5V to 60V, making it suitable for various power sources.
2. High Efficiency: Offers efficiencies up to 95%, reducing heat generation and improving overall performance.
3. Output Current: Capable of delivering up to 3A of output current, suitable for powering demanding loads.
4. Adjustable Output Voltage: Output voltage can be set from 0.8V to 30V, providing flexibility for different applications.
5. Integrated Switch: Incorporates a high-speed internal switch, simplifying design and reducing component count.
6. Frequency: Operates at a selectable switching frequency of 300kHz or 1.2MHz, allowing for optimization between efficiency and size.
7. Thermal Protection: Features thermal shutdown and current limiting for enhanced reliability.
8. Compact Package: Available in a thermally enhanced 20-lead TSSOP package, ideal for space-constrained designs.
These attributes make the LT3433IFE#TRPBF a versatile choice for industrial, automotive, and consumer electronics applications.

Pinout

The LT3433IFE#TRPBF is a high-voltage, step-down (buck) switching regulator from Analog Devices. It features a total of 16 pins.
Key functions of the pins include:
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 2): Switch node, connected to the inductor.
3. GND (Pin 3): Ground reference.
4. VOUT (Pin 4): Output voltage.
5. COMP (Pin 5): Compensation for stability.
6. FB (Pin 6): Feedback for output voltage regulation.
7. Rset (Pin 7): Resistor for setting frequency.
8. SS (Pin 8): Soft-start control.
9. EN (Pin 9): Enable pin for power control.
10. PG (Pin 10): Power good indicator.
11. ISENSE (Pin 11): Current sense.
12. VREF (Pin 12): Reference voltage output.
13-16: Additional pins for thermal and protection features.
The LT3433 is designed for applications requiring high efficiency and low noise in a compact package.

Manufacturer

The LT3433IFE#TRPBF is manufactured by Analog Devices, Inc., commonly known as ADI. Analog Devices is a multinational semiconductor company headquartered in Norwood, Massachusetts, specializing in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing integrated circuits (ICs). The company serves a variety of markets, including industrial automation, automotive, communications, healthcare, and consumer electronics. ADI is well-known for its innovative products that facilitate the conversion and processing of real-world signals, making it a key player in the electronics industry. The LT3433IFE#TRPBF specifically is a high-voltage step-down (buck) regulator, demonstrating ADI's expertise in power management solutions.

Application

The LT3433IFE#TRPBF is a high-performance step-down DC/DC converter from Analog Devices. It is primarily used in applications requiring efficient power management, such as power supplies for portable devices, industrial automation, and battery management systems. Its features make it suitable for powering microcontrollers, sensors, and RF modules in IoT devices. Additionally, it is utilized in automotive electronics, LED drivers, and telecommunications equipment, where compact size and high efficiency are crucial. The device supports a wide input voltage range, making it versatile for various applications.

Package

The LT3433IFE#TRPBF is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package) with a thermal pad. This type of package is designed for compact applications, offering good thermal performance and efficient space utilization on printed circuit boards.

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