規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | Linear |
| Internal Switch(s) | Yes |
| Number of Outputs | 1 |
| Voltage - Supply (Min) | 4.5V |
| Voltage - Supply (Max) | 30V |
| Voltage - Output | 0.8V ~ 30V |
| Current - Output / Channel | 120mA |
| Dimming | PWM |
| Applications | Signage |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
"Introduction to AL5802-7" likely refers to a course, module, or specific subject within a curriculum, especially in an academic or technical setting. Without additional context, it is difficult to provide specific details about AL5802-7. However, generally, such introductions serve to outline the foundational concepts, objectives, and expectations of the course or subject. They typically cover key topics that will be explored, methodologies employed, and any prerequisites required. The introduction may also highlight the significance of the course in the broader educational or professional landscape, and provide insights into how it fits into a larger program. If AL5802-7 refers to a specific subject area, such as a field of science, technology, or humanities, the introduction would tailor its content accordingly, focusing on fundamental principles, core theories, and essential skills pertinent to that field. For precise information, one would need to consult the course syllabus or official educational materials provided by the institution offering AL5802-7.
Equivalent
The AL5802-7 is a linear LED driver. Equivalent or similar products can include:
1. ON Semiconductor NSI45020AT1G - A linear current regulator for LEDs.
2. Texas Instruments TL4242 - A linear LED driver with current control.
3. Microchip MCP1640 - While not a direct equivalent, it's suitable for LED applications with boost capabilities.
4. Diodes Incorporated AL8400 - Another linear LED driver from the same manufacturer.
When choosing alternatives, ensure to compare parameters such as current rating, voltage range, and thermal performance.
1. ON Semiconductor NSI45020AT1G - A linear current regulator for LEDs.
2. Texas Instruments TL4242 - A linear LED driver with current control.
3. Microchip MCP1640 - While not a direct equivalent, it's suitable for LED applications with boost capabilities.
4. Diodes Incorporated AL8400 - Another linear LED driver from the same manufacturer.
When choosing alternatives, ensure to compare parameters such as current rating, voltage range, and thermal performance.
Features
The AL5802-7 is a linear LED driver designed for current regulation in LED lighting applications. Key features include:
1. Constant Current Regulation: Provides a stable current output to maintain consistent LED brightness.
2. Wide Input Voltage Range: Operates over a broad input voltage range, making it versatile for various applications.
3. High-Side Current Sense: Utilizes high-side current sensing, which simplifies the design and reduces the number of components needed.
4. Low Dropout Voltage: Ensures efficiency and allows the device to operate even with a small difference between input and output voltage.
5. Thermal Protection: Includes thermal shutdown features to protect the device from overheating, enhancing reliability.
6. Simple Design: Requires minimal external components, which simplifies circuit design and reduces overall cost.
7. Compact Package: Available in a small form factor, suitable for space-constrained applications.
These features make the AL5802-7 suitable for LED lighting systems where efficiency, reliability, and ease of design are crucial.
1. Constant Current Regulation: Provides a stable current output to maintain consistent LED brightness.
2. Wide Input Voltage Range: Operates over a broad input voltage range, making it versatile for various applications.
3. High-Side Current Sense: Utilizes high-side current sensing, which simplifies the design and reduces the number of components needed.
4. Low Dropout Voltage: Ensures efficiency and allows the device to operate even with a small difference between input and output voltage.
5. Thermal Protection: Includes thermal shutdown features to protect the device from overheating, enhancing reliability.
6. Simple Design: Requires minimal external components, which simplifies circuit design and reduces overall cost.
7. Compact Package: Available in a small form factor, suitable for space-constrained applications.
These features make the AL5802-7 suitable for LED lighting systems where efficiency, reliability, and ease of design are crucial.
Pinout
The AL5802-7 is a linear LED driver with a simple 2-pin configuration, designed for driving a string of LEDs. Its primary function is to provide a constant current source for LED lighting applications. The device is often used in applications where a consistent and stable current is required to illuminate LEDs effectively.
The two pins of the AL5802-7 are:
1. Anode (IN): This pin is connected to the supply voltage, where the input current flows into the device.
2. Cathode (OUT): This pin is connected to the LED string, allowing the regulated current to flow out and drive the LEDs.
The AL5802-7 operates by maintaining a constant current through the LEDs, ensuring uniform brightness and efficiency. Its simplicity, along with the minimal pin count, makes it ideal for cost-effective and compact LED lighting solutions.
The two pins of the AL5802-7 are:
1. Anode (IN): This pin is connected to the supply voltage, where the input current flows into the device.
2. Cathode (OUT): This pin is connected to the LED string, allowing the regulated current to flow out and drive the LEDs.
The AL5802-7 operates by maintaining a constant current through the LEDs, ensuring uniform brightness and efficiency. Its simplicity, along with the minimal pin count, makes it ideal for cost-effective and compact LED lighting solutions.
Manufacturer
The AL5802-7 is manufactured by Diodes Incorporated. Diodes Incorporated is a leading global manufacturer and supplier of high-quality application-specific standard products within the broad discrete, logic, analog, and mixed-signal semiconductor markets. The company serves a wide range of customers in the consumer electronics, computing, communications, industrial, and automotive markets. Diodes Incorporated is known for its innovation, quality, and commitment to providing efficient and reliable semiconductor solutions.
Application
The AL5802-7 is a linear LED driver designed for driving low-current LED strings efficiently. Its primary application areas include LED lighting solutions such as signage, display backlighting, and general-purpose lighting. The device ensures consistent LED brightness over varying supply voltages and offers thermal protection, making it suitable for use in environments where thermal management is crucial. Additionally, the AL5802-7 is used in automotive lighting applications due to its reliability and ability to operate under a wide temperature range. Its simplicity and cost-effectiveness make it an attractive choice for consumer electronics and industrial applications where precise LED current regulation is required.
Package
The AL5802-7 is typically available in a SOT89-3 package type.