Either of the three channels of the LT3496 can drive eight 500mA LEDs in series, enabling them to drive 24 500mA LEDs with 96% efficiency.
The LT3496 senses the output current at the high-voltage side of the LED, so it can be step-down, buck-boost or boost configuration. The user can set the output current range for each channel through an external sense resistor.
Each of the three independent driver channels utilizes an internal 750mA, 45V NPN switch and has a built-in gate driver for PMOS disconnect.
Each channel of the LT3496 can be operated with a separate True Color PWM signal, allowing each channel to be dimmed at a ratio of up to 3,000:1.
The constant current mode architecture ensures stable operation over a wide range of supply and output voltages. The frequency adjustment pin allows the user to set the frequency between 330kHz and 2.1MHz for optimum efficiency and minimizes external component size. .
The LT3496's thermally enhanced 4mm x 5mm QFN package provides a fairly small layout area for 50W LED applications. Other features include open LED protection and overheating limits.
In addition to the H-grade version, there are E and I grades. All versions of the electrical specifications are E and I grades can be operated at 125 °C maximum junction temperature. The H-grade version is tested to operate at 150°C junction temperature and is ideal for automotive and industrial applications with high ambient temperatures.
An Outdoor CPE (Customer Premises Equipment) is a client device used in outdoor environments, typically for wireless network connectivity. It is a device used to transmit Internet signals from a service provider to the user's location.
Outdoor CPE is commonly used to provide broadband access services, especially in remote areas or places without traditional wired network coverage. It can transmit an Internet connection via wireless signals to the building or area where the user is located. Outdoor CPE is typically a highly protected and durable device designed to handle harsh weather conditions in an outdoor environment.
Outdoor Cpes typically include the following main components:
1. Antenna: Outdoor CPE is usually equipped with a high-gain antenna for receiving and sending wireless signals. These antennas can be designed for different frequency bands and wireless standards.
2. Wireless module: Outdoor CPE usually includes a wireless module to handle the transmission and reception of wireless signals. This module usually supports different wireless standards such as Wi-Fi, LTE, 4G, etc.
3. Router function: Outdoor CPE usually has the function of a router, which can distribute the Internet connection to the device where the user is. It can provide IP address allocation, port forwarding, network security and other functions in the local area network.
4. Power supply and battery: Since Outdoor CPE is usually used in outdoor environments, it usually requires a reliable power supply. Some Outdoor Cpes are also equipped with batteries to provide continuous Internet connectivity in the event of a power outage.
The main features and advantages of Outdoor CPE are as follows:
1. High-speed broadband access: Outdoor CPE can provide high-speed broadband access services through wireless signals, so that users can enjoy high-speed Internet connections in places without traditional wired network coverage.
2. Flexibility: Since Outdoor CPE is a wireless connection, it can be used in different locations and environments. Users can place the Outdoor CPE in the best position as needed for optimal signal coverage and performance.
3. Simple installation: Outdoor CPE usually has a simple installation process, and users only need to place the device outdoors and make some basic Settings to start using the Internet connection.
4. Strong anti-interference ability: Outdoor CPE usually has strong anti-interference ability and can provide stable Internet connection under harsh environmental conditions. It can cope with various sources of interference, such as electromagnetic interference, weather conditions and so on.
5. High reliability: Outdoor CPE usually has a high degree of reliability and durability, and can be operated for a long time in a variety of outdoor environments. It usually has waterproof, dustproof, lightning-proof and other functions to cope with different weather conditions.
Outdoor CPE is widely used in a variety of scenarios, especially in rural areas, mountains, islands and other places without traditional cable network coverage. It can provide high-speed broadband access services to residents and enterprises in these areas, helping them to enjoy the convenience of the Internet.
In summary, the Outdoor CPE is a client device for outdoor environments to provide high-speed broadband access services via wireless signals. It is highly reliable, flexible and anti-jamming, and can provide a stable Internet connection in a variety of outdoor environments. It plays an important role in providing broadband access services, especially in places without traditional wired network coverage.
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