SL20.113

Current - Output (Max):	10A
Approvals:	CB, CE, cULus, cURus
Minimum Load Required:	--
Size / Dimension:	4.02" L x 8.66" W x 4.88" H (102.0mm x 220.0mm x 124.0mm)
Mounting Type:	DIN Rail
Features:	Adjustable Output, Load Sharing
Operating Temperature:	-25°C ~ 70°C (With Derating)
Efficiency:	92.8%
Applications:	ITE (Commercial)
Power (Watts):	480W
Series:	SilverLine
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	48V
Voltage - Input:	85 ~ 132 VAC, 184 ~ 264 VAC
Number of Outputs:	1
Type:	Enclosed
Part Status:	Active

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AC DC ConvertersThe SL20.113 is a synchronous buck converter IC. It is a two-phase bridgeless synchronous rectifier switch with a switch duty cycle of 0% to 100%. The IC offers a high switching frequency of up to 1.2 MHz that provides a high peak-to-average current utilization and superior regulation for a wide range of applications.The SL20.113 is suitable for applications like MP3 players, digital cameras, PDAs and notebook computers. It can also be used for automotive applications for power supplies used in engines and climate control systems. The IC utilizes a unique topology and package design that allows it to provide effective power conversion at low power levels while maintaining tight control of ripple current and voltage.The SL20.113 utilizes a two-phase buck converter topology. This topology is much more efficient than the conventional single-phase buck converter due to its ability to use multiple switches to regulate the output voltage. The two-phase switching system also reduces the gate-charge and switching losses. The SL20.113 is designed to operate with either constant on-time (COT) or with pulse-width modulation (PWM) control. This allows for accurate current sharing between the two phases.The principle of operation of the SL20.113 is relatively simple. The input voltage is regulated to the required output voltage using two MOSFET switches. When the device is in the on-state, the input voltage is applied to the inductor, causing a current to flow through it. This current is then regulated by the switches, allowing only a certain amount of current to flow through the inductor and into the output capacitor. The regulation of the output voltage is done by varying the duty cycle of the switches and adjusting the current drawn from the input, which is known as the switching period.The SL20.113 is designed for high efficiency applications where low input voltages and high output currents are required. The IC includes several features such as synchronous rectification, current mode control, PWM mode control, output voltage margining, two-phase phase-shift, and adjustable blanking time. The device also features an adjustable output current limit and soft-start, providing protection against output voltage overshoots and ringing.The SL20.113 is a highly efficient, low-cost regulator for the power supply of a wide range of products. The two-phase phase-shift and current-mode technologies provide tight control of ripple voltage and current, resulting in excellent transient response and high efficiency. The device is also designed to save board space by eliminating the need for an external inductor in most cases. In conclusion, the SL20.113 is an excellent choice for a wide range of applications that require high efficiency and low input voltages. Thanks to its two-phase switching topology, the IC provides effective power conversion and tight regulation of output voltage and current. Additionally, the device is space-saving and cost-effective.

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