SIP20C-05S1V5

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DC DC Converters

DC DC converters are electrical and mechanical components that convert direct current (DC) within a defined range of voltages into either a higher or lower voltage. This can be done either by creating a step-up converter or step-down converter. A typical DC DC converter contains multiple ports for connecting the input voltage source, the current source and the output. By transforming the DC voltage from the source to the output, the DC DC converter helps to provide a cost-efficient solution in areas of power management. Such areas can include mobile phones, automotive electronics, computers and many other consumer electronics.

SIP20C-05S1V5 Application Field and Working Principle

The SIP20C-05S1V5 is a DC DC converter module manufactured by Advanced Energy. It has an input voltage range of 4.5V to 24V and provides a single output voltage of 5V. It comes in two different options: a 500mA version and a 1A version. The module has a wide temperature range of -40°C to 105°C, with optional shock ratings of up to 2,000g. The SIP20C-05S1V5 features high efficiency of up to 92% and low ripple and noise of 3mV. This makes it ideal for small, yet reliable DC DC conversion for electronic applications requiring a clean, steady voltage.

The SIP20C-05S1V5 utilizes a single switch forward converter first developed for a 48V to 5V automotive application. This design topology allows for a smaller size and is thus ideal for space-cost savings. The module consists of an input capacitive filter, an integrated MOSFET switch, an output inductor, and a controller IC for control and monitoring. The typical operation of such DC DC converters is as follows. The controller IC receives input voltage on its switching node and turns the IC switch on and off according to a certain control signal. When the IC switch is on, the current flows through it and into the output inductor, whose duty is to limit current spikes. When the switch is OFF, the stored energy in the inductor will be released into the output capacitor, which then smooths out the output voltage. The output voltage is regulated by the controller IC via pulse-width modulation (PWM).

The SIP20C-05S1V5 is a UL certified device and comes in a variety of packages. In addition, the module includes integrated protection features such as under voltage lockout (UVLO), over current protection (OCP) and over temperature protection (OTP). It is designed to be a highly-reliable and cost-effective solution for applications that require precise DC DC conversion.

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