| Allicdata Part #: | S-8521D35MC-BXUT2U-ND |
| Manufacturer Part#: |
S-8521D35MC-BXUT2U |
| 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-8521D35MC-BXUT2U 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: | 60kHz |
| Series: | -- |
| Output Phases: | 1 |
| Number of Outputs: | 1 |
| Topology: | Buck |
| Output Configuration: | Positive |
| Function: | Step-Down |
| Output Type: | Transistor Driver |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
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PMIC - Voltage Regulators - DC DC Switching Controllers
S-8521D35MC-BXUT2U Application Field and Working Principle
S-8521D35MC-BXUT2U is a 2-channel DC-DC controller specifically designed for automotive and industrial applications. In order to improve the usability and reduce the system cost, it\'s equipped with a wide variety of features, such as integrated ripple absorption circuit, over current, over temperature protection and detection, PWM switch current and voltage protection and detection, and Soft-start. As one of the members of S-8521 series, S-8521D35MC-BXUT2U is a cost-effective, high efficiency and high performance DC-DC controller.
Application Field:
Due to its high features, S-8521D35MC-BXUT2U is capable to be applied in many automotive and industrial applications, such as thermal management, alternator control, electric vehicle powertrains, power electronics, battery management and so on.
Working Principle:
S-8521D35MC-BXUT2U works by driving two NMOS transistors from two output stages in parallel to form a power stage. Its working principle is similar to the one of the two-level converter. The two NMOS transistors are connected in parallel, and the two output pins are driven by the PWM control signal. During the operation, the PWM signal keeps switching the two transistors on and off to produce a voltage output. Additionally, its integrated ripple absorption circuit also helps to eliminate ripple and noise at the output.
The main advantage of using this type of controller is that it can achieve high output power while still achieving efficient operation. Also, the ability to perform fast switching eliminates the need of using power inductors to further reduce the circuit complexity. Furthermore, the on-chip integrated protection circuit also makes S-8521D35MC-BXUT2U a very reliable and safe device for automotive applications.
Conclusion:
With its integrated protection and soft-start circuit, wide voltage range and high efficiency, S-8521D35MC-BXUT2U is suitable for a variety of automotive and industrial applications. Thus, it\'s highly recommended to use this device whenever high performance and reliability are needed.
The specific data is subject to PDF, and the above content is for reference
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S-8521D35MC-BXUT2U Datasheet/PDF