Part Number: CS6583BO
Function: Non-isolated step-down constant current LED driver
Package: SOP 8 Pin Type
Manufacturer: Semico
Images:
Description
CS6583BO is a single-inductor non-isolated step-down LED constant current drive circuit, which works in the critical continuous mode of the inductor current. Suitable for full voltage input range of 85Vac~265Vac. The operating current of the circuit is extremely low, requiring only a few external components. In a larger range, the output current of the system has nothing to do with the inductance. The circuit has excellent line regulation and load regulation, reducing system cost. CS6583 is mainly used in LED candle lamps, LED bulb lamps and other LED lighting fields.
A constant current LED driver is an electronic device designed to provide a consistent, regulated current to light-emitting diodes (LEDs). LEDs are current-driven devices, meaning they require a stable current to operate efficiently and maintain their desired brightness and lifespan.
Here’s how a constant current LED driver typically works:
1. Current Regulation: The driver circuitry monitors the current flowing through the LED and adjusts it to maintain a constant level. This is usually achieved using a feedback loop that compares the actual LED current to a reference value and adjusts the driver output accordingly.
2. Voltage Conversion: The LED driver may include circuitry to convert the input voltage (AC or DC) to the appropriate voltage level required for the LEDs. This conversion can involve techniques like switching power supplies or linear regulators.
3. Protection Features: Constant current LED drivers often include various protection mechanisms to ensure the safety and reliability of the LED system. These features can include overcurrent protection, overvoltage protection, short-circuit protection, and thermal protection.
4. Dimming Control (Optional): Some constant current LED drivers offer dimming capabilities, allowing the LED brightness to be adjusted. Dimming can be achieved through techniques like pulse width modulation (PWM) or analog control.
Features:
1. Single inductor non-isolated step-down structure
2. Ultra-low working current
3. Wide input voltage
4. Internally integrated 500V high voltage power MOSFET
5. ±5% LED output current accuracy
6. LED open/short protection
7. CS short circuit protection
8. Over temperature protection function
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CS6583BO PDF Datasheet
