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AL8843QSP-13
+BOMIC LED DRIVER RGLTR PWM 3A 8SO
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メーカーアナログ・デバイセズ
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メーカー品番 #AL8843QSP-13
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在庫状況3651
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Part Status | Active |
| Type | DC DC Regulator |
| Topology | Step-Down (Buck) |
| Internal Switch(s) | Yes |
| Number of Outputs | 1 |
| Voltage - Supply (Min) | 4.5V |
| Voltage - Supply (Max) | 40V |
| Current - Output / Channel | 3A |
| Frequency | 1MHz |
| Dimming | Analog, PWM |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) Exposed Pad |
| Supplier Device Package | 8-SO-EP |
| Base Product Number | AL8843 |
| Grade | Automotive |
| Qualification | AEC-Q100 |
概要
Description
Key features of the AL8843QSP-13 include a switching frequency of up to 1MHz and an output current capability of up to 3A. It is designed to provide high efficiency and reduce electromagnetic interference (EMI) with its adjustable switching frequency. The device supports both analog and PWM dimming, offering flexibility in controlling LED brightness.
The AL8843QSP-13 also incorporates several protection features, including over-temperature, over-current, and LED short-circuit protection, ensuring robust performance and reliability. The device is available in a thermally enhanced package, which helps manage heat dissipation effectively.
Overall, the AL8843QSP-13 is a versatile and efficient solution for LED lighting applications, providing designers with the tools needed to create reliable and energy-efficient lighting systems.
Equivalent
Features
1. Wide Input Voltage Range: Operates efficiently over a broad input voltage range, making it suitable for automotive environments.
2. High Efficiency: Offers high power efficiency, reducing energy consumption and heat generation.
3. Adjustable Output Current: Provides flexibility with adjustable output current, accommodating different LED specifications.
4. Integrated MOSFET: Includes an internal power MOSFET to simplify design and reduce component count.
5. PWM Dimming: Supports PWM dimming for precise brightness control without affecting color accuracy.
6. Protection Features: Built-in protections such as over-temperature, over-voltage, and short-circuit protection ensure reliability and longevity.
7. Compact Package: Comes in a compact package, saving space in tight design layouts.
8. Automotive Qualified: Meets AEC-Q100 standards, ensuring its suitability for automotive applications with high reliability requirements.
These features make the AL8843QSP-13 suitable for applications requiring robust LED driving solutions, particularly in automotive lighting systems.
Pinout
Key functions of the pins may include:
1. VIN: Input voltage supply.
2. GND: Ground connection.
3. SW: Switch output, connected to the inductor.
4. SET: Sets the output current by connecting a resistor to the ground.
5. CTRL/EN: Control or enable pin for dimming or turning the device on/off.
6. DIM: Accepts a PWM input for LED dimming control (if available).
7. COMP: Compensation pin for stabilizing the feedback loop (if available).
8. NC: No connection, sometimes used for thermal pad or mechanical stability.
These functions may vary slightly depending on the specific manufacturer or package type, so consulting the datasheet for detailed pin configuration and application notes is recommended.