MP4012DS-LF-Z

Voltage - Output:	--
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Applications:	Automotive, Backlight, Lighting
Dimming:	Analog, PWM
Frequency:	580kHz
Current - Output / Channel:	--
Series:	--
Voltage - Supply (Max):	55V
Voltage - Supply (Min):	8V
Number of Outputs:	1
Internal Switch(s):	No
Topology:	SEPIC, Step-Down (Buck), Step-Up (Boost)
Type:	DC DC Controller
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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MP4012DS-LF-Z: Application Field and Working PrincipleMP4012DS-LF-Z is a lighting control IC of PMIC (Power Management Integrated Circuit) – LED Drivers subcategory. It is specifically designed as a direct drive current-source LED driver device. This IC is mainly focused on the automotive, consumer, and industrial lighting applications.MP4012DS-LF-Z has a typical configuration of 4 to 8 strings of 1 to 4 LEDs with up to 100mA per string. This IC provides flexibilities in terms of controlling the number of leds and the current level. The current sum of all the strings should not exceed the maximum number of 100mA.The working principle of MP4012DS-LF-Z is based on buck architecture, which involves the use of a buck-type power converter. Input voltage is regulated by MP4012DS-LF-Z IC and gets converted into output current. MP4012DS-LF-Z buck converter is a reliable and cost effective solution for driving multiple series of current-regulated LED strings. The power consumption of this IC is very low in stand-by mode. MP4012DS-LF-Z support a wide input voltage range from 9V to 36V and has the ability to dim from 0% to 100% dimming on the output side. This IC also supports a PWM (Pulse Width Modulation) dimming feature and is capable of tracking different phases of the input as well.The thermal characteristics of this IC are excellent, as it has an operating temperature range of -40°C to 125°C. This specified temperature range ensures reliable operation of MP4012DS-LF-Z even in extreme temperatures. MP4012DS-LF-Z is designed with a patented current control technique and has an output current accuracy of ±3%. This IC operates with very low EMI (electromagnetic interference) levels of accordance to CISPR-11 standard, which reduces interference in different electronic circuits and systems. Other additional features of MP4012DS-LF-Z includes a built-in over-temperature protection, overtemperature slew rate limit, and an advanced current protection technique.In conclusion, MP4012DS-LF-Z is a perfect IC for LED drivers, as it has the capabilities to provide a flexible and convenient control over the LED operations. With this IC, it is possible to monitor the LED current and temperature limits in order to ensure reliable operation even in extreme conditions. The EMI reduction ability and over-temperature protection further increases its stability and durability. Therefore, this IC is the perfect solution for automotive, consumer, and industrial lighting applications.

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