FAN5333ASX Integrated Circuits (ICs) |
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Allicdata Part #: | FAN5333ASXTR-ND |
Manufacturer Part#: |
FAN5333ASX |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | ON Semiconductor |
Short Description: | IC LED DRIVER RGLTR DIM SOT23-5 |
More Detail: | LED Driver IC 1 Output DC DC Regulator Step-Up (Bo... |
DataSheet: | FAN5333ASX Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Type: | DC DC Regulator |
Topology: | Step-Up (Boost) |
Internal Switch(s): | Yes |
Number of Outputs: | 1 |
Voltage - Supply (Min): | 1.8V |
Voltage - Supply (Max): | 5.5V |
Voltage - Output: | 30V |
Current - Output / Channel: | 1.5A (Switch) |
Frequency: | 1.5MHz |
Dimming: | Analog, PWM |
Applications: | Backlight |
Operating Temperature: | -40°C ~ 85°C (TA) |
Mounting Type: | Surface Mount |
Package / Case: | SC-74A, SOT-753 |
Supplier Device Package: | SOT-23-5 |
Base Part Number: | FAN5333 |
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The FAN5333ASX is a PMIC-LED driver designed for high-brightness LED displays in cellular phones and other consumer electronics applications. It is an integrated supply that provides multiple levels of output current, making it possible to drive multiple LED strings.
The FAN5333ASX integrates an integrated voltage booster and a step-up converter to provide an excellent efficiency in both high and low current operations. In normal operation, the maximum current can be limited via an external voltage setting. The main specifications of the FAN5333ASX are its 2.7V to 5.5V operating voltage range, its 5A maximum output current, and its 5kHz to 100kHz operating frequency.
The FAN5333ASX is available in two versions, the standard version and the OTP version. The standard version offers a normal low current mode during startup, and allows matching the lighting brightness to the surrounding environment. The OTP version allows the user to set up the current levels in the normal mode, allowing better customization. Additionally, dimming a single string of LEDs is possible with the OTP version.
The FAN5333ASX’s working principle is quite simple when the voltage is applied, the P-type MOSFET switch of the FAN5333ASX is enabled, and the energy stored in the external capacitor starts to discharge. This energy is transformed into a regulated current that is used to activate the LEDs. This current is then regulated in response to the input voltage.
The FAN5333ASX additionally features a few protection features to make sure it is safe and reliable. It uses an undervoltage lock-out, current limiting and short circuit protection. If a short-circuit occurs, the device automatically reduces its output current until it is safe to turn on again. The device can also detect open/short LED problems. Implementing these protection features allows for improved performance and reliability.
The FAN5333ASX can be utilized for a variety of applications, such as lighting for camera flashes, TV backlights, and automobile headlights. Other general lighting applications include the use of a battery-powered system with the FAN5333ASX as its source. The device is also ideal for portable lighting systems, as its sleek form factor and low current consumption makes it a great choice for extended battery life. Finally, the device is suitable for use in harsh environments, as its small overall size and efficient protective features allow it to withstand high temperatures and humidity.
In conclusion, the FAN5333ASX is a high-performance PMIC-LED driver suitable for a wide range of applications, including lighting for camera flashes, TV backlights, and automobile headlights, and portable lighting systems. Its integrated voltage boosting and step-up converter and its excellent efficiency in both high and low current operations make it a great choice for designs requiring efficient and reliable power sourcing. Finally, the device’s protection features make it suited to harsh environments and extended battery life.
The specific data is subject to PDF, and the above content is for reference
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