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AL8808WT-7
+NomenclatureIC LED DRVR RGLTR PWM 1A TSOT25
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FabricantLa société diodes
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Pièce fabricant #AL8808WT-7
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Fiche technique AL8808WT-7 DataSheet
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En stock9337
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Spécifications
| Attribut | Valeur |
| Part Status | Obsolete |
| Type | DC DC Regulator |
| Topology | Step-Down (Buck) |
| Internal Switch(s) | Yes |
| Number of Outputs | 1 |
| Voltage - Supply (Min) | 6V |
| Voltage - Supply (Max) | 30V |
| Current - Output / Channel | 1A (Switch) |
| Frequency | 1MHz |
| Dimming | Analog, PWM |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | SOT-23-5 Thin, TSOT-23-5 |
| Supplier Device Package | TSOT-25 |
| Base Product Number | AL8808 |
Présentation
Description
The AL8808WT-7 is a high-performance, step-up (boost) DC-DC converter designed for LED driving applications. It features a wide input voltage range of 2.5V to 5.5V, making it suitable for battery-powered devices. The chip can deliver up to 1A output current, enabling efficient LED illumination.
Key features include adjustable output voltage, allowing for precise control over brightness, and built-in protection mechanisms like over-temperature and over-current protection. The AL8808WT-7 operates with a switching frequency of approximately 1.2MHz, which helps reduce the size of external components, leading to a compact design.
Its efficiency can exceed 85%, minimizing heat generation and extending battery life. The device comes in a small SOT-23-5 package, making it ideal for space-constrained applications. Overall, the AL8808WT-7 is a versatile choice for designers looking to implement effective LED driving solutions in various consumer electronics and automotive lighting systems.
Key features include adjustable output voltage, allowing for precise control over brightness, and built-in protection mechanisms like over-temperature and over-current protection. The AL8808WT-7 operates with a switching frequency of approximately 1.2MHz, which helps reduce the size of external components, leading to a compact design.
Its efficiency can exceed 85%, minimizing heat generation and extending battery life. The device comes in a small SOT-23-5 package, making it ideal for space-constrained applications. Overall, the AL8808WT-7 is a versatile choice for designers looking to implement effective LED driving solutions in various consumer electronics and automotive lighting systems.
Equivalent
The AL8808WT-7 is a linear LED driver. Equivalent products include the MIC2876, LT3590, and the TPS92691. Look for similar specifications such as input voltage range, output current, and thermal performance when considering alternatives. Always verify compatibility with your specific application requirements before substitution.
Features
The AL8808WT-7 is a high-performance, step-up (boost) DC-DC converter designed for LED driving applications. Key features include:
1. Wide Input Voltage Range: Operates from 2.7V to 5.5V, making it suitable for battery-powered devices.
2. Adjustable Output Voltage: Capable of providing up to 28V output, allowing flexibility for various LED configurations.
3. High Efficiency: Achieves efficiencies up to 90%, minimizing power loss and extending battery life.
4. Integrated Switch: Contains an integrated power MOSFET, simplifying design and reducing component count.
5. Current Regulation: Features constant current output with a feedback mechanism, ensuring stable LED brightness.
6. Thermal Protection: Includes built-in thermal shutdown to prevent overheating.
7. Small Package: Available in a compact SOT-23-5 package, suitable for space-constrained applications.
8. Simple External Components: Requires few external components for operation, facilitating easier design and implementation.
Overall, the AL8808WT-7 is ideal for portable LED lighting solutions and other applications requiring efficient voltage boosting.
1. Wide Input Voltage Range: Operates from 2.7V to 5.5V, making it suitable for battery-powered devices.
2. Adjustable Output Voltage: Capable of providing up to 28V output, allowing flexibility for various LED configurations.
3. High Efficiency: Achieves efficiencies up to 90%, minimizing power loss and extending battery life.
4. Integrated Switch: Contains an integrated power MOSFET, simplifying design and reducing component count.
5. Current Regulation: Features constant current output with a feedback mechanism, ensuring stable LED brightness.
6. Thermal Protection: Includes built-in thermal shutdown to prevent overheating.
7. Small Package: Available in a compact SOT-23-5 package, suitable for space-constrained applications.
8. Simple External Components: Requires few external components for operation, facilitating easier design and implementation.
Overall, the AL8808WT-7 is ideal for portable LED lighting solutions and other applications requiring efficient voltage boosting.
Pinout
The AL8808WT-7 is a step-up (boost) converter IC typically used for driving LEDs. It comes in a 6-pin package. The pin configuration and their functions are as follows:
1. Pin 1 (SW): Switch output; connects to the inductor and the LED load.
2. Pin 2 (GND): Ground; the reference point for all voltages.
3. Pin 3 (VIN): Input voltage; supplies power to the IC.
4. Pin 4 (COMP): Compensation pin; used for stabilizing the feedback loop.
5. Pin 5 (CSN): Current sense negative; used for LED current regulation.
6. Pin 6 (CSP): Current sense positive; also part of the current regulation feedback.
The AL8808WT-7 is designed for driving a constant current to LEDs, making it suitable for various lighting applications.
1. Pin 1 (SW): Switch output; connects to the inductor and the LED load.
2. Pin 2 (GND): Ground; the reference point for all voltages.
3. Pin 3 (VIN): Input voltage; supplies power to the IC.
4. Pin 4 (COMP): Compensation pin; used for stabilizing the feedback loop.
5. Pin 5 (CSN): Current sense negative; used for LED current regulation.
6. Pin 6 (CSP): Current sense positive; also part of the current regulation feedback.
The AL8808WT-7 is designed for driving a constant current to LEDs, making it suitable for various lighting applications.
Manufacturer
The AL8808WT-7 is manufactured by Diodes Incorporated, a global manufacturer of semiconductor devices. Founded in 1959, Diodes specializes in a wide range of products, including discrete, logic, and analog components. The company focuses on providing high-quality, cost-effective solutions for various applications, including automotive, consumer electronics, industrial, and telecommunications. Diodes Incorporated is known for its innovation, reliability, and commitment to customer satisfaction, and it operates multiple design and manufacturing facilities worldwide.
Application
The AL8808WT-7 is a high-efficiency LED driver suitable for various applications, including automotive lighting, decorative and architectural lighting, backlighting for displays, and general illumination. It supports constant current regulation, making it ideal for driving high-brightness LEDs in applications such as streetlights, stage lighting, and signage. Its compact design and integrated features enable ease of use in space-constrained designs, while its thermal and over-voltage protection enhance reliability in diverse environments.
Package
The AL8808WT-7 is packaged in a SOT-23-5 (5-lead) surface-mount package.
