AL1793AFE-13 Integrated Circuits (ICs)

Voltage - Output:	30V
Supplier Device Package:	U-DFN4030-14
Package / Case:	14-UFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Applications:	Lighting
Dimming:	Analog, PWM
Frequency:	--
Current - Output / Channel:	500mA
Series:	--
Voltage - Supply (Max):	30V
Voltage - Supply (Min):	6.5V
Number of Outputs:	3
Internal Switch(s):	Yes
Topology:	--
Type:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The AL1793AFE-13 is a high-performance, cost-effective LED driver from an analog IC house called AMS. It is part of their family of LED drivers and power management integrated circuits (PMICs). This device is ideal for applications such as LED wall washers, LED video walls, LED display backlights, LED billboard and indoor LED lighting.The AL1793AFE-13 LED driver is designed to drive multiple series connected LEDs with a separate constant-current source. The driver features a low input voltage of 8V to 48V and is capable of driving up to 18 series LEDs with a total maximum output current of 1.5A. The control logic and dimming control circuit of the device allow various dimming techniques such as input parallel dimming (trailed mode) with external resistors, linear tuning with a PWM signal, logarithmic tuning with a PWM signal, linear tunable voltage dimming, switchable output current dimming, and dimming with a constant current pump.The AL1793AFE-13 features a thermal shutdown circuit to provide over-temperature protection. It also has an open-circuit detection circuit built-in to ensure that the operation of the device is not affected by a faulty connection or wire breakage. The device also has a built-in current sense resistor that can be used to monitor the LED current.The AL1793AFE-13 LED driver works by converting the input voltage into constant current. The control logic and dimming control circuit sense the feedback voltage of the LED string and adjust the LED current accordingly. The LED driver also incorporates a power switch, which provides efficient power conversion.In conclusion, the AL1793AFE-13 LED driver is an ideal solution for LED wall washers, LED video walls, LED display backlights, LED billboard and indoor LED lighting applications. By taking advantage of its low input voltage and high output current, the AL1793AFE-13 LED driver provides a cost-effective, efficient and high-performance solution for LED applications. The control logic and dimming control circuit of the device allow for various dimming techniques, while the open-circuit detection and thermal shutdown circuits provide protection against faulty LED connections and over-temperature cases.

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