
Allicdata Part #: | RT8471GSP-ND |
Manufacturer Part#: |
RT8471GSP |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Richtek USA Inc. |
Short Description: | IC LED DRVR RGLTR DIM 1.2A 8SOP |
More Detail: | LED Driver IC 1 Output DC DC Regulator Step-Down (... |
DataSheet: | ![]() |
Quantity: | 1000 |
1 +: | 0.00000 |
Voltage - Output: | -- |
Supplier Device Package: | 8-SOP-EP |
Package / Case: | 8-SOIC (0.154", 3.90mm Width) Exposed Pad |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 125°C (TJ) |
Applications: | Lighting |
Dimming: | Analog, PWM |
Frequency: | -- |
Current - Output / Channel: | 1.2A |
Series: | -- |
Voltage - Supply (Max): | 36V |
Voltage - Supply (Min): | 7V |
Number of Outputs: | 1 |
Internal Switch(s): | Yes |
Topology: | Step-Down (Buck) |
Type: | DC DC Regulator |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
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RT8471GSP is a highly-integrated power management IC specifically designed for LED lighting applications. Its integrated boost regulator featuring constant current and constant voltage drive adaptive output regulation is capable of delivering up to 2A, while providing up to 95% efficiency. In addition, the device provides a wide range of protection features, including short circuit protection and thermal shutdown, to ensure system stability and reliability.
The RT8471GSP is suitable for a variety of LED lighting applications, such as portable lighting, interior lighting, and outdoor and home security systems. With its high efficiency, the RT8471GSP is also suitable for automotive lighting applications.
The RT8471GSP integrates several features to enable efficient operation and reduce system cost, size, and complexity. These features include an onboard buck regulator, a DC/DC converter, an LM324 op-amp for dimming control, an analog equalizer for selecting output current and voltage, a reference voltage for lighting applications, and a slew rate limiter for flicker-free dimming. In addition, the device features fixed and adjustable modes for dimmable output current and voltage. The device is also capable of operating over a wide input voltage range of 8V to 40V.
The RT8471GSP also provides a comprehensive suite of protection features, including current limit, short circuit protection, thermal shutdown, and overvoltage protection. The device also includes a pulse-by-pulse current limit feature, which protects the downstream components from over-current conditions. The integrated over-voltage protection is capable of detecting an over-voltage condition on both AC and DC inputs and preventing a short circuit of the LED string.
The RT8471GSP integrates a patented adaptive control architecture that provides output stability, high efficiency, and fast line/load transient response. This architecture also allows the device to operate with wide load variations without sacrificing system performance. The device also supports Color Temperature Tuning (CTT) control, which allows for user-defined programming of the LED output color temperature.
To ensure a reliable and consistent operation of the device, the RT8471GSP incorporates several safety features. The device has an auto-restart system that can be enabled and disabled in the event of a fault. In addition, the device includes a built-in soft start feature that protects the system from over-current, over-voltage, and thermal overload conditions.
The RT8471GSP is a highly integrated power management IC designed for LED lighting applications. With its high efficiency and comprehensive protection features, the device is capable of delivering up to 2A for LED lighting applications. The device also integrates a number of features for efficient operation and protection of the system, including a buck regulator, a DC/DC converter, a slew rate limiter, and an auto-restart system. The device is also capable of operating over a wide input voltage range of 8V to 40V. The device is suitable for a variety of LED lighting applications, including portable lighting, interior lighting, and automotive lighting.
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