| Allicdata Part #: | S-8521F34MC-BPTT2G-ND |
| Manufacturer Part#: |
S-8521F34MC-BPTT2G |
| 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-8521F34MC-BPTT2G 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: | 300kHz |
| 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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S-8521F34MC-BPTT2G application field and working principle
The S-8521F34MC-BPTT2G DC/DC switching controller is designed for industrial applications, such as industrial automation and renewable energy systems. It features an integrated current-mode fixed-frequency PWM control IC, suited for use in various DC/DC converter topologies.
The S-8521F34MC-BPTT2G is capable of delivering up to 8A of drive current, and can be used to deliver 10-100V of adjustable output voltage. It can be used with standard surface-mount ceramic capacitors as well as high-frequency ceramic capacitors, depending on the application. It offers adjustable output voltage and output current protections.
Advantages of the S-8521F34MC-BPTT2G
One of the unique advantages of this S-8521F34MC-BPTT2G DC/DC switching controller is its small size, enabling it to be used in applications that space is at a premium. It is also capable of withstanding transients and surge events, making it an ideal choice for applications that require a robust power supply. The device\'s higher efficiency also helps in providing improved performance in these applications.
S-8521F34MC-BPTT2G Working Principle
The S-8521F34MC-BPTT2G uses a fixed frequency current-mode pulse width modulation (PWM) control IC to regulate the input voltage and to output an adjustable output voltage. The internal error amplifier senses the output voltage, and the feedback is compared with an internally derived voltage that is generated through a simple resistor divider circuit. If the output voltage falls below the set point, the error amplifier will close the PWM comparator to output a higher voltage, and vice versa. This continuous control keeps the output voltage within the predetermined range and ensures stable operation.
The device also incorporates several protection features, such as a directional current limit and a short-protect circuit, which protect the output stage from overcurrent, overload and short circuit conditions. In addition, the S-8521F34MC-BPTT2G is also capable of providing protection from electrical noise and from inrush current at the start-up of the device.
Conclusion
The S-8521F34MC-BPTT2G DC/DC switching controller is a comprehensive solution for industrial applications, offering adjustable output voltage and current protection, small size, and improved efficiency. Its fixed-frequency PWM control and protection circuits offer reliable operation and protection, ensuring stable operation of the power supply.
The specific data is subject to PDF, and the above content is for reference
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