LC5203D

Voltage - Output:	--
Supplier Device Package:	8-DIP
Package / Case:	8-DIP (0.300", 7.62mm), 7 Leads
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 105°C (TA)
Applications:	--
Dimming:	PWM
Frequency:	200kHz
Current - Output / Channel:	800mA
Series:	--
Voltage - Supply (Max):	200V
Voltage - Supply (Min):	25V
Number of Outputs:	1
Internal Switch(s):	Yes
Topology:	Step-Down (Buck)
Type:	AC DC Offline Switcher
Part Status:	Not For New Designs
Packaging:	Tube

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The LC5203D is a device from ON Semiconductor’s LCD and LED backlighting product portfolio. It has many features and benefits, making it the ideal choice for applications requiring reasonable cost and high efficiencies.The LC5203D is a high-cost-performance product that can be used in variety of display applications such as monitor and TV, vehicle information systems and mobile phones. It is a power management integrated circuit (PMIC) with a dedicated LED driver that offers improved picture quality, power efficiency and system level integration.The LC5203D offers a number of features to help reduce system cost and complexity. It has an integrated boost controller as well as overvoltage, over-current, short-circuit and thermal protection, meeting various safety requirements. This device also features a wide input voltage and output current range, adjustable output current and a PWM dimming interface.The main advantage of the LC5203D is its integrated boost controller, which is designed for efficient, low quiescent current operation and excellent line regulation. This allows for wide input voltage ranging from 5.5V up to 18V. The output current can be adjusted through a simple external resistor. The device has adjustable switching frequency, allowing it to be used at higher switching frequencies to reduce size of external components.The circuit of the LC5203D includes two synchronous rectifying buck converters and an active boost controller, thus reducing component count and system component cost. The device also provides a PWM dimming interface to enable brightness control and is protected against thermal fault, open-circuit fault, over-voltage fault and over-current fault conditions.The operating temperature range of the LC5203D is from -40℃ to +125℃. This device also supports various packages such as CLCC-32, CLCC-48, DSON-8 and DSON-14.In conclusion, the LC5203D is a great PMIC for LED drivers, due to its low cost and excellent performance. It features adjustable output current, wide input voltage and current range, adjustable switching frequency and PWM dimming interface. It is suitable for various applications such as monitor and TV, vehicle information systems and mobile phones.

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