DS460SDC-3

Voltage - Output 3:	--
Approvals:	--
Size / Dimension:	9.57" L x 3.40" W x 1.57" H (243.2mm x 86.4mm x 39.9mm)
Mounting Type:	Rack Mount
Operating Temperature:	-10°C ~ 50°C
Efficiency:	90%
Applications:	ITE (Commercial)
Power (Watts):	460W
Current - Output (Max):	36A
Voltage - Output 4:	--
Series:	DS460SDC-3
Voltage - Output 2:	--
Voltage - Output 1:	12.3V
Number of Outputs:	1
Voltage - Input (Max):	72V
Voltage - Input (Min):	40V
Type:	Front End
Part Status:	Active
Packaging:	--

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DC DC Converters - DS460SDC-3 Application Field and Working Principle

DC-DC converters play a vital role in the power electronics industry. They are used to regulate and convert different voltages levels from the available DC power sources. The DC-DC converter is also used to isolate the sensitive electrical components from outside electrical or electromagnetic interference. DS460SDC-3 is one such DC-DC converter, which is often used in many applications.The DS460SDC-3 is a high-efficiency, burst mode, synchronous buck converter suitable for point-of-load applications. It has an input voltage range between 4.5V and 36V and provides up to 5A of output current. The converter can deliver an output voltage range of 0.6V to 2V while operating at a switching frequency of 680kHz. It also features a high efficiency of up to 96%, with an average efficiency of 91%, and a small form factor, measuring 18.5mm x 9.9mm x 2.5mm.The DS460SDC-3 has a few distinctive features that make it ideal for power supply applications. The first feature is its low standby power consumption, which is less than or equal to 1.25W. This feature gives the DS460SDC-3 the capability to provide efficient power when idle. Additionally, this feature prevents the system from draining excessive resources when it is in the standby mode.Another feature of the DS460SDC-3 is the support for soft-start. This feature allows the user to control the power output levels of the converter. By utilizing this feature, the device can be adjusted to ensure that an overload or short-circuit does not occur.The DS460SDC-3 also supports an external sync input, which is used to synchronize the switching frequency of the converter with an external clock source. This feature is extremely useful when multiple devices must be synchronized to the same power source.The Working Principle of the DS460SDC-3 can be broken down into four stages.

1. Input Stage: The input stage is where the voltage input is converted from the DC source to the required voltage level. This stage is typically performed by a voltage regulator or a diode rectifier.
2. Control/Regulation Stage: The control/regulation stage is responsible for controlling the output voltage. This is done by comparing the momentary output voltage against the reference voltage. A voltage regulator or a pulse width modulation (PWM) signal is typically used to adjust the output voltage.
3. Switching Stage: The switching stage is where the power supply regulates the current output through the switching action of the DC-DC converter. The energy is transferred through a series of metal-oxide semiconductor field-effect transistors (MOSFETs) which are triggered in a sequential pattern.
4. Output Stage: The output stage is the final stage of the power supply where the voltage output is provided. This stage is typically performed by a filter capacitor and a diode rectifier.

The DS460SDC-3 is an excellent choice for a wide range of applications such as portable battery-powered applications, notebook computers, and smartphones. Its compact size, high efficiency, low standby power, support for soft-start and external sync input make it an ideal solution for point-of-load applications. With its high power handling capabilities, it can provide power to various devices.

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