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FAN5331SX
LED Lighting Drivers Adj 1.6MHz Boost Reg w/ 25V FET SwitchFAN5331SX
LED Lighting Drivers Adj 1.6MHz Boost Reg w/ 25V FET Switch
Quality Assurance
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Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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FAN5331SX DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The FAN5331SX LED driver is designed to meet the needs of portable device applications, with a focus on efficiency, reliability, and safety. Its wide input voltage range and ability to drive up to six LEDs with a total output current of 30mA make it a versatile choice for a range of design requirements. The device's boost converter topology and fixed frequency PWM control enable high efficiency and stable output voltage regulation, providing consistent performance for portable devices. In addition, the FAN5331SX includes over-temperature, short-circuit, and overvoltage protection features to ensure the safety and reliability of the LED driver. Its programmable soft-start functionality reduces inrush current during startup, further optimizing its performance. Packaged in a small footprint, thermally-enhanced 6-pin SC70 package, the FAN5331SX is well-suited for space-constrained applications, offering a compact and reliable solution for portable devices
Key Features
- Secure encryption and authentication
- Fast transaction processing
- Robust system integrity
Application
- Red
- Small
- Phone
- Cat
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Status | Last Shipments | CAD Models | |
| Compliance | PbAHP | Package Type | SOT-23-5 |
| Case Outline | 527AH | MSL Type | 1 |
| MSL Temp (°C) | 260 | Container Type | REEL |
| Container Qty. | 3000 | ON Target | N |
| Topology | Step-Up | VCC Min (V) | 2.7 |
| VCC Max (V) | 5.5 | VO Typ (V) | Adjustable |
| IO Typ (A) | 1 | Efficiency (%) | 93 |
| fSW Typ (kHz) | 1600 | Pricing ($/Unit) | Price N/A |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is FAN5331SX?
The FAN5331SX is a high-efficiency boost converter IC (integrated circuit) designed by Fairchild Semiconductor. It is specifically designed for driving white LEDs in backlight applications for small LCD displays, mobile phones, and portable devices.
How Does FAN5331SX Work?
The FAN5331SX operates as a boost converter, taking a low input voltage and efficiently boosting it to a higher output voltage required to drive white LEDs. It employs a switching regulator topology to provide the necessary voltage and current regulation for driving LED loads. The IC features a high switching frequency and current limit protection for optimal LED performance.
How Many Pins does FAN5331SX have and What are the Functions of the Pinout Configuration?
The FAN5331SX is housed in a 6-pin SOT-23 package. The pinout configuration includes:
- VIN: Input voltage pin.
- SW: Switch pin for connecting the inductor.
- GND: Ground pin.
- LX: LED output pin.
- EN: Enable pin for turning the IC on or off.
- SS/TR: Soft-start/tracking pin for controlling the LED brightness ramp-up.
What are the Pros and Cons of FAN5331SX?
Pros:
- High Efficiency: Provides high efficiency conversion for driving white LEDs.
- Compact Package: Comes in a small SOT-23 package, suitable for space-constrained designs.
- Current Limit Protection: Includes current limit protection for safe LED operation.
- Soft-Start Functionality: Offers soft-start/tracking capability for smooth LED brightness ramp-up.
- Low Component Count: Requires minimal external components for a simple LED driver solution.
Cons:
- Current Limit Constraints: The current limit protection may limit the maximum LED current in certain applications.
- Temperature Sensitivity: Efficiency and performance may vary with temperature changes.
- Input Voltage Range: Limited input voltage range may not be suitable for all applications.
Are There Any Equivalents/Alternatives to FAN5331SX for Recommendation?
- The MP3302 from Monolithic Power Systems is a similar boost converter IC for LED backlight applications.
- Alternatives to the FAN5331SX include the AAT1230 from Skyworks Solutions and the MAX1573 from Maxim Integrated.
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