| Allicdata Part #: | S-8521B18MC-ATDT2G-ND |
| Manufacturer Part#: |
S-8521B18MC-ATDT2G |
| Price: | $ 0.28 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | ABLIC U.S.A. Inc. |
| Short Description: | IC REG CTRLR BUCK SOT23-5 |
| More Detail: | Buck Regulator Positive Output Step-Down DC-DC Co... |
| DataSheet: |  S-8521B18MC-ATDT2G Datasheet/PDF |
| Quantity: | 1000 |
| 3000 +: | $ 0.25490 |
| Voltage - Supply (Vcc/Vdd): | 2.5 V ~ 16 V |
| Supplier Device Package: | SOT-23-5 |
| Package / Case: | SC-74A, SOT-753 |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Control Features: | Enable |
| Serial Interfaces: | -- |
| Clock Sync: | No |
| Synchronous Rectifier: | No |
| Duty Cycle (Max): | 100% |
| Frequency - Switching: | 180kHz |
| Series: | -- |
| Output Phases: | 1 |
| Number of Outputs: | 1 |
| Topology: | Buck |
| Output Configuration: | Positive |
| Function: | Step-Down |
| Output Type: | Transistor Driver |
| Part Status: | Not For New Designs |
| Packaging: | Tape & Reel (TR) |
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The S-8521B18MC-ATDT2G controller is a DC/DC voltage regulator used to control the flow of power between two sources. It is a type of power management integrated circuit (PMIC) designed for use with high current applications, such as DC motors and high-power lighting. The controller operates by switching power between two sources, allowing the user to adjust the power and voltage output in response to changes in the environment. The controller allows for accurate control and protection of voltage levels in a variety of applications.
Features and Benefits
The S-8521B18MC-ATDT2G controller is designed for easy integration into systems and applications. Features include over-current protection, over-voltage protection, current feedback, short circuit protection, and wide input voltage range. The device is capable of operating with an input voltage range of up to 43V. Additionally, the device is highly efficient and produces low heat, requiring only a small heatsink. The controller is also small in size, allowing it to be used in tight spaces. Overall, this PMIC is ideal for high-power applications that require precise control and protection of voltage levels.
Working Principle
The S-8521B18MC-ATDT2G controller is an open-loop, current-mode controller for voltage regulation. The controller works by modulating switching frequencies which in turn modulates the output voltage. The controller takes input from two sources and measures the source voltages, current, and duty cycle. The controller then compares the measured values to predetermined values and makes adjustments to the output voltage accordingly. The controller constantly monitors the output voltage and adjusts the power switching frequency to keep the output voltage constant.
Applications
The S-8521B18MC-ATDT2G controller is used primarily for high-power applications that require accurate control of voltage levels. Some common applications include DC motors and high-power lighting. Additionally, the device can be used in LED drivers, telecom power supplies, and battery charge circuits. By controlling the power between two sources, the controller offers precise control and protection of voltage levels, making it ideal for difficult to manage applications.
Conclusion
The S-8521B18MC-ATDT2G is a DC/DC voltage regulator used to control power between two sources. It is a type of PMIC designed for use with high current applications, such as DC motors and high-power lighting. The controller works by modulating switching frequencies and adjusting the output voltage accordingly. The device features over-current protection, over-voltage protection, current feedback, and short circuit protection. Typical applications include DC motors, lighting, LED drivers, telecom power supplies, and battery charge circuits. Overall, the S-8521B18MC-ATDT2G controller is an ideal solution for applications that require precise control and protection of voltage levels.
The specific data is subject to PDF, and the above content is for reference
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