LT3512EMS#PBF
Compact flyback switching regulators for DC-DC conversion
Manufacturer： linear-technology
series introduction
# LT3512EMS#PBF Product Series Introduction
## 1. Overview
The LT3512EMS#PBF is a highly versatile and efficient product series offered by Linear Technology (now part of Analog Devices). This series is specifically designed for power management applications, catering to a wide range of industries and electronic devices. With its advanced features and reliable performance, the LT3512EMS#PBF has become a popular choice among engineers and designers.
## 2. Key Features
### 2.1 High - Efficiency Operation
- The LT3512EMS#PBF incorporates a high - efficiency switching regulator topology. It can achieve high conversion efficiencies, typically up to 90% or more in many operating conditions. This high efficiency helps to minimize power losses, reduce heat dissipation, and extend the battery life in portable devices. For example, in a battery - powered handheld device, the reduced power consumption due to the high - efficiency operation allows for longer usage time between charges.
### 2.2 Wide Input Voltage Range
- It supports a wide input voltage range, which makes it suitable for various power sources. The input voltage can typically range from a few volts up to a relatively high value, say from 2.7V to 40V. This wide range enables the LT3512EMS#PBF to be used in applications where the power source voltage may vary, such as in automotive systems where the battery voltage can fluctuate depending on the charging state and vehicle operation.
### 2.3 Adjustable Output Voltage
- The output voltage of the LT3512EMS#PBF is adjustable. Designers can set the output voltage according to the specific requirements of their application. This flexibility is crucial in different electronic systems, as different components may require different supply voltages. For instance, in a multi - voltage circuit board, the LT3512EMS#PBF can be configured to provide the appropriate voltage levels for microcontrollers, sensors, and other integrated circuits.
### 2.4 Low Quiescent Current
- The product series has a low quiescent current. In standby or low - power modes, the quiescent current is minimized, which is essential for battery - powered devices. A low quiescent current ensures that the device consumes very little power when it is not actively performing its main functions, further enhancing the overall power efficiency and battery life.
### 2.5 Integrated Protection Features
- **Over - Current Protection (OCP)**: The LT3512EMS#PBF is equipped with over - current protection. In case of a short - circuit or excessive load current, the OCP feature will limit the current to a safe level, preventing damage to the device and the connected components.
- **Over - Voltage Protection (OVP)**: It also has over - voltage protection. If the output voltage exceeds a predefined safe limit, the OVP mechanism will activate to protect the downstream components from potential damage due to excessive voltage.
- **Thermal Shutdown**: To prevent overheating, the product has a thermal shutdown feature. When the temperature of the device rises above a certain threshold, the thermal shutdown circuit will disable the regulator, protecting the device from thermal damage.
## 3. Applications
### 3.1 Automotive Electronics
- In automotive applications, the LT3512EMS#PBF can be used for powering various electronic modules. For example, it can supply power to in - car infotainment systems, which require stable and efficient power sources. The wide input voltage range allows it to handle the voltage variations in the automotive electrical system, and the protection features ensure the reliability of the power supply in a harsh automotive environment.
### 3.2 Industrial Automation
- In industrial automation, the LT3512EMS#PBF can be used
Images for reference
16-TFSOP. 12 leads
16-TFSOP. 12 leads
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