LT1513-2IT7#PBF

Product Overview

Category

The LT1513-2IT7#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices to regulate and control power supply voltages efficiently.

Characteristics

• High efficiency: The LT1513-2IT7#PBF offers excellent power conversion efficiency, minimizing energy loss during voltage regulation.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Low quiescent current: The IC has a low quiescent current, ensuring minimal power consumption when in standby mode.
• Compact package: It comes in a small surface-mount package, allowing for easy integration into compact electronic designs.
• Robustness: The LT1513-2IT7#PBF is designed to withstand harsh operating conditions, ensuring reliable performance.

Package and Quantity

The LT1513-2IT7#PBF is available in a 6-pin ThinSOT package. It is typically sold in reels containing a specified quantity of ICs.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.24V to 14V
• Maximum Output Current: 500mA
• Switching Frequency: 500kHz
• Quiescent Current: 80µA
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT1513-2IT7#PBF features the following pin configuration:

```

---

| | --| VIN GND |-- Pin 1: VIN (Input Voltage) --| SW FB |-- Pin 2: SW (Switch Node) --| PGND VOUT|-- Pin 3: PGND (Power Ground) --| COMP FB |-- Pin 4: COMP (Compensation) --| VCC GND |-- Pin 5: VCC (Supply Voltage) |___________| ```

Functional Features

• Voltage Regulation: The LT1513-2IT7#PBF provides precise voltage regulation, ensuring a stable output voltage even with varying input voltages.
• Current Limiting: It incorporates current limiting functionality to protect the circuit from excessive current flow, enhancing system reliability.
• Soft-Start: The IC features a soft-start mechanism that gradually ramps up the output voltage, preventing inrush currents and reducing stress on components.
• Shutdown Mode: It offers a shutdown mode, allowing for power-saving operation during standby or idle periods.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and extended battery life.
• Wide input voltage range enables compatibility with various power sources.
• Compact package facilitates space-constrained designs.
• Robustness ensures reliable performance in challenging environments.

Disadvantages

• Limited maximum output current may restrict its use in high-power applications.
• Higher cost compared to some alternative models.

Working Principles

The LT1513-2IT7#PBF operates as a step-down switching regulator. It utilizes a pulse-width modulation (PWM) control scheme to regulate the output voltage. The input voltage is converted into a high-frequency square wave, which is then filtered and smoothed to provide a stable output voltage. The feedback mechanism continuously adjusts the duty cycle of the square wave to maintain the desired output voltage.

Application Field Plans

The LT1513-2IT7#PBF finds application in various electronic devices, including but not limited to: - Portable consumer electronics - Battery-powered devices - Industrial automation systems - Automotive electronics - Telecommunications equipment

Alternative Models

For those seeking alternatives to the LT1513-2IT7#PBF, the following models offer similar functionality: - LM2576-ADJ - MC34063A - TPS5430

These alternative models provide comparable voltage regulation and power management capabilities, although specific features and specifications may vary.

In conclusion, the LT1513-2IT7#PBF is a highly efficient integrated circuit designed for power management applications. Its wide input voltage range, compact package, and robustness make it suitable for various electronic devices. While it has limitations in terms of maximum output current and cost, its advantages outweigh these disadvantages. With its precise voltage regulation, current limiting, and soft-start features, the LT1513-2IT7#PBF offers reliable and efficient power management solutions.