LTC3609IWKG#PBF

Product Overview

Category

LTC3609IWKG#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is primarily used for voltage regulation and power conversion in various electronic devices and systems.

Characteristics

• High efficiency: The LTC3609IWKG#PBF offers high efficiency power conversion, 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.
• Compact package: The LTC3609IWKG#PBF comes in a compact package, allowing for space-efficient integration into electronic devices.
• Low noise: This IC provides low output voltage ripple and noise, ensuring stable and clean power supply.

Package and Quantity

The LTC3609IWKG#PBF is available in a small form factor package, such as a 24-pin exposed pad QFN (Quad Flat No-Lead) package. The quantity per package may vary depending on the supplier or manufacturer.

Specifications

• Input Voltage Range: 2.25V to 5.5V
• Output Voltage Range: Adjustable from 0.6V to VIN
• Maximum Output Current: Up to 3A
• Switching Frequency: Adjustable up to 4MHz
• Operating Temperature Range: -40°C to 125°C
• Efficiency: Up to 95%

Pin Configuration

The LTC3609IWKG#PBF has a total of 24 pins. Here is the detailed pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. SW: Switching node pin
4. FB: Feedback pin for output voltage regulation
5. VOUT: Output voltage pin
6. EN: Enable pin for turning the IC on/off
7. PGND: Power ground pin
8. SS: Soft-start capacitor pin
9. VCC: Internal regulator output pin
10. BST: Boost capacitor connection pin
11. AGND: Analog ground pin
12. SYNC: Synchronization input pin
13. CLKOUT: Clock output pin
14. CLKIN: Clock input pin
15. RT: External resistor for setting switching frequency
16. MODE: Mode selection pin 17-24: NC (No Connection)

Functional Features

1. High Efficiency: The LTC3609IWKG#PBF utilizes advanced power management techniques to achieve high efficiency, reducing energy waste and prolonging battery life in portable devices.
2. Wide Input Voltage Range: It can handle a wide range of input voltages, making it suitable for various applications with different power sources.
3. Adjustable Output Voltage: The output voltage can be easily adjusted within a specified range, providing flexibility for different system requirements.
4. Current Limit Protection: The IC incorporates current limit protection to prevent excessive current flow, ensuring safe operation and protecting connected devices.
5. Thermal Shutdown: In case of excessive temperature, the LTC3609IWKG#PBF features thermal shutdown protection, preventing damage to the IC and surrounding components.

Advantages and Disadvantages

Advantages

• High efficiency power conversion
• Wide input voltage range
• Compact package for space-efficient integration
• Low output voltage ripple and noise
• Current limit and thermal shutdown protection

Disadvantages

• Limited maximum output current compared to some other power management ICs
• Requires external components for proper operation

Working Principles

The LTC3609IWKG#PBF operates based on a switching regulator topology. It uses a combination of inductors, capacitors, and switches to efficiently convert the input voltage to the desired output voltage. By rapidly switching the input voltage on and off, the IC controls the energy flow and regulates the output voltage according to the feedback received from the FB pin.

Application Field Plans

The LTC3609IWKG#PBF finds applications in various electronic devices and systems, including but not limited to: - Portable electronic devices (e.g., smartphones, tablets, portable media players) - Battery-powered devices - Industrial automation systems - Automotive electronics - IoT (Internet of Things) devices - Power supply modules

Alternative Models

Here are some alternative models that offer similar functionality to the LTC3609IWKG#PBF: - LT8610ABEMSE#PBF - TPS54332DDAR - MAX15062BASA+ - ADP2386ACPZ-R7

These alternative models can be considered based on specific requirements and availability.

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