LNK408LG Allicdata Electronics
Allicdata Part #:

LNK408LG-ND

Manufacturer Part#:

LNK408LG

Price: $ 1.86
Product Category:

Integrated Circuits (ICs)

Manufacturer: Power Integrations
Short Description: IC LED DRIVER OFFL DIM ESIP-7F
More Detail: LED Driver IC 1 Output AC DC Offline Switcher Flyb...
DataSheet: LNK408LG datasheetLNK408LG Datasheet/PDF
Quantity: 1000
240 +: $ 1.68270
Stock 1000Can Ship Immediately
$ 1.86
Specifications
Series: LinkSwitch®-PH
Packaging: Tube 
Part Status: Active
Type: AC DC Offline Switcher
Topology: Flyback
Internal Switch(s): Yes
Number of Outputs: 1
Voltage - Supply (Min): 36V
Voltage - Supply (Max): 725V
Voltage - Output: --
Current - Output / Channel: 2.39A
Frequency: 66kHz
Dimming: Triac
Applications: Lighting
Operating Temperature: -40°C ~ 150°C (TJ)
Mounting Type: Through Hole
Package / Case: 7-SSIP, 6 Leads, Exposed Pad, Formed Leads
Supplier Device Package: eSIP-7F
Description

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LED drivers are a type of power management integrated circuit (PMIC) designed to drive LED circuits. The LNK408LG is an LED driver IC suitable for a variety of LED-based applications that requires the efficient conversion of many types of current and voltage sources. This driver is typically used in LED backlighting systems, wall lamps, signs and displays, LED displays, and other applications.

The LNK408LG is based on a current-mode boost topology, which allows for the conversion of an AC input to a DC output. It provides a constant current driving capability for up to 18 series-connected LEDs. The device also has adjustable output voltage from 16V to 43V, allowing adaptive adjustment based on suitable LED type and quantity. The LNK408LG\'s low output ripple provides an ideal solution for steady-state current sources, minimizing noise generated in the LED driving circuit.

The integrated design provides several important advantages in the system compared to a discrete circuit. First, the LNK408LG has input Under-Voltage Lockout (UVLO) and output Open-Loop protection. Under-Voltage Lockout (UVLO) is a circuit protection mechanism that will enable protection from overvoltage and undervoltage conditions by disabling the device until the voltage rises to the specified level. Similarly, Open-Loop protection protects the device by switching off the output power if it senses an overvoltage or an overcurrent condition.

The IC also features a 2-wire serial bus interface, making it compatible with several industry-standard control systems, such as DALI, DMX and ZigBee protocols. Moreover, its 1MHz switching frequency reduces the size and cost of the external components, making it ideal for space-constrained applications. Finally, it includes an integrated shutdown circuit, allowing for low-power operation in standby mode.

The LNK408LG LED driver is based on a boost-type converter, which suits LED driving applications very well. It is a topology which has high efficiency, good regulation, low output ripple, and good short-circuit protection. The current and voltage regulation of the LNK408LG maintains a constant output current and voltage to the LED driver circuit even under varying input voltage and temperature. This ensures that the LED driver can provide a consistent and reliable output to LEDs, increasing the longevity and reliability of the LED-based system.

In conclusion, the LNK408LG is an LED driver IC suitable for a variety of LED based applications. Its integrated design provides the benefits of high efficiency, good regulation, low output ripple and industry-standard control interfaces, making it ideal for LED backlighting systems, wall lamps, signs and displays, LED displays, and other applications requiring reliable and efficient LED driving solution.

The specific data is subject to PDF, and the above content is for reference

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