S-85S1PD23-I8T1U

Voltage - Input (Max):	5.5V
Supplier Device Package:	SNT-8A
Package / Case:	8-SMD, Flat Lead
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	1MHz
Current - Output:	200mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.3V
Series:	--
Voltage - Input (Min):	2.2V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to PMIC - Voltage Regulators - DC DC Switching Regulators

Power Management Integrated Circuits (PMICs) act as the central interconnect between power sources and the various electrical components of a system, such as sensors, computers, and peripherals. Voltage regulators are essential components that take a varying input voltage, in cases where the input is unreliable or over/under-powered, and convert it to a regulated output voltage with a specific range. Switching regulators, also known as DC-DC switching regulators, are an evolving standard within the industry as they are a cheaper and smaller alternative to linear voltage regulators, providing an adjustable output voltage that still meets the needs of high current loads.

S-85S1PD23-I8T1U DC-DC switching regulator

The S-85S1PD23-I8T1U is a DC-DC switching regulator designed to address the power needs of high power loads that require adjustable output voltages. S-85S1PD23-I8T1U can accept input voltages of up to 25V and produce an output voltage ranging from 0.6V to 24V. The device is capable of powering loads up to 9A (depending on the selected output voltage). The built-in Short-Circuit Current and Over-Current Limiters add an additional layer of protection against over- and under-voltage conditions.The S-85S1PD23-I8T1U offers an improved power conversion efficiency and higher bandwidth compared to linear regulators, making it an ideal component for applications with space and power constraints. The device includes a variety of programmable features not available with linear regulators, such as soft start and adaptive voltage scaling, which allows it to easily adjust the output voltage to match the current load requirements.

Applications of the S-85S1PD23-I8T1U

The S-85S1PD23-I8T1U DC-DC switching regulator is ideal for a variety of applications, including:- Industrial applications: The S-85S1PD23-I8T1U is well-suited for industrial applications that require precise control over the system output voltage, such as PLCs, motor drives, and other precision machinery. - Automotive applications: The S-85S1PD23-I8T1U can be used in automotive applications, such as engine control units and vehicle control systems, to ensure stable and reliable power delivery. - Portable devices: The device is suitable for powering a range of mobile devices, such as tablets, smartphones, and other handheld devices. - Instrumentations: The S-85S1PD23-I8T1U is ideal for instrumentations that require low ripple and noise interference, such as medical diagnostic systems, test and measurement equipment, sensors, and more.

Working Principle of the S-85S1PD23-I8T1U

The S-85S1PD23-I8T1U device works through pulse-width modulation, also known as pulse duration modulation (PDM). This involves rapidly switching the input voltage on and off to create stable output voltages. The S-85S1PD23-I8T1U DC-DC switching regulator is capable of achieving up to 95% efficiency and is adjustable to fine-tune the output voltage. When the output voltage is set to a higher voltage, more power is directed to the load, reducing efficiency. Conversely, when the output voltage is set to a lower voltage, less power is directed to the load, resulting in higher efficiency. In addition to being adjustable, the S-85S1PD23-I8T1U DC-DC switching regulator also features short-circuit current and over-current limiters, soft start, and adaptive voltage scaling, which helps protect against potential power surges and ensure that the regulator always runs at the most efficient output voltage. One final note worth mentioning is that the S-85S1PD23-I8T1U DC-DC switching regulator also supports bi-directional current flow, meaning it can output power to a load or back to the source. This function is useful in applications that require a system to recharge from multiple sources.

Conclusion

The S-85S1PD23-I8T1U is a DC-DC switching regulator designed to address the power needs of high power loads that require adjustable output voltages. It is well-suited for industrial applications, automotive applications, portable devices, and instrumentations due to its adjustable output voltage range, wide input voltage range (up to 25V), high efficiency, and protective features. The S-85S1PD23-I8T1U device works through pulse-width modulation and can also support bi-directional current flow for added flexibility in applications with multiple power sources.

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