Overview
The LTC3119IUFD#PBF is a high-efficiency synchronous buck-boost DC/DC converter produced by Analog Devices Inc. This monolithic converter is capable of delivering up to 5A of continuous output current and operates over a wide input voltage range of 2.7V to 15V. It supports adjustable output voltages from 0.8V to 18V, making it versatile for various power management applications. The LTC3119 features extensive integration and low resistance internal power switches, minimizing the total solution footprint and enhancing efficiency.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.7V to 15V |
| Output Voltage Range | 0.8V to 18V |
| Maximum Output Current | 5A |
| Switching Frequency Range | 400kHz to 2MHz |
| Operating Temperature Range | -40°C to 125°C |
| Package Type | 28-Lead QFN (4mm × 5mm) |
| Regulator Topology | Buck-Boost |
| Synchronous Rectification | Yes |
| RoHS Compliance | Yes |
Key Features
- High Efficiency DC/DC Converter: Optimized for high efficiency across a wide range of operating conditions.
- Synchronous Rectification Technology: Reduces power losses and improves overall efficiency.
- Pulse Width Modulation (PWM) Control: Allows for adjustable frequency from 400kHz to 2MHz and synchronization using an internal PLL.
- Battery Powered Designs Supported: Suitable for battery-powered systems with low quiescent current in Burst Mode operation.
- Low EMI and RFI Performance: Minimizes electromagnetic interference and radio-frequency interference.
- Thermal Protection and Overcurrent Shutdown: Ensures device reliability and safety under adverse conditions.
- Soft-Start and Adjustable Frequency: Enhances startup behavior and flexibility in design.
Applications
The LTC3119IUFD#PBF is commonly used in various applications where efficient power management and regulation of voltage levels are critical. These include:
- Battery-Powered Devices: Ideal for portable electronics and IoT devices due to its low quiescent current and high efficiency.
- Solar-Powered Systems: Suitable for systems that require stable output voltage from variable input sources.
- Industrial Equipment: Used in industrial settings where reliable and efficient power conversion is essential.
- Automotive Systems: Applicable in automotive applications requiring robust and efficient power management.
Q & A
- What is the input voltage range of the LTC3119IUFD#PBF?
The input voltage range is from 2.7V to 15V.
- What is the maximum output current of the LTC3119IUFD#PBF?
The maximum output current is up to 5A.
- What is the switching frequency range of the LTC3119IUFD#PBF?
The switching frequency range is from 400kHz to 2MHz.
- What is the operating temperature range of the LTC3119IUFD#PBF?
The operating temperature range is from -40°C to 125°C.
- Does the LTC3119IUFD#PBF support synchronous rectification?
Yes, it supports synchronous rectification technology.
- What package type is the LTC3119IUFD#PBF available in?
It is available in a 28-Lead QFN (4mm × 5mm) package.
- Is the LTC3119IUFD#PBF RoHS compliant?
Yes, it is RoHS compliant.
- What are some common applications of the LTC3119IUFD#PBF?
Common applications include battery-powered devices, solar-powered systems, industrial equipment, and automotive systems.
- Does the LTC3119IUFD#PBF have thermal protection and overcurrent shutdown features?
Yes, it includes thermal protection and overcurrent shutdown features for device reliability and safety.
- Can the LTC3119IUFD#PBF be used in battery-powered designs?
Yes, it is suitable for battery-powered designs due to its low quiescent current in Burst Mode operation.
