| Allicdata Part #: | S-8521A35MC-AXUT2G-ND |
| Manufacturer Part#: |
S-8521A35MC-AXUT2G |
| 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-8521A35MC-AXUT2G Datasheet/PDF |
| Quantity: | 1000 |
| 3000 +: | $ 0.25490 |
| Voltage - Supply (Vcc/Vdd): | 2.5 V ~ 10 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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PMIC (Power Management Integrated Circuit) is one of the most widely used components in today’s digital systems. Voltage regulators and DC DC switching controllers are widely used in these devices, and the S-8521A35MC-AXUT2G device is no exception. This dual-programmable buck-boost switching controller is primarily used in automotive, consumer and industrial applications, providing a high level of efficiency for low power applications.
S-8521A35MC-AXUT2G is a versatile device that can be used for both positive and negative voltages. It has two independent control loops, one for regulating the output voltage and the other for controlling the output current. It features a wide operating range from 0.8V to 5.5V, and includes an advanced analog matching circuit that can be used to optimize output power usage. In addition, it has an adjustable output voltage, adjustable switching frequency and advanced phase-lock loop control.
The working principle of the S-8521A35MC-AXUT2G is based on the synchronous rectification driver ICs. Synchronous rectification is a technique used to improve the overall efficiency of the buck-boost switching converter by reducing the forward voltage drop of the secondary side power MOSFETs. This device has two MOSFETs connected in series, which are used to regulate the output voltage. A 7-bit DAC (Digital-to-Analog Converter) is used to control the voltage through a voltage loop. The output current is regulated by a 6-bit DAC, which is used to control the MOSFETs switch frequency.
The main application fields of S-8521A35MC-AXUT2G include automotive, consumer and industrial applications, where it is used to regulate the output voltage and current. It is particularly suitable for applications such as automotive navigation systems, PDA charging applications, battery pack/charger systems, and portable electronic products. It is also used in low power applications such as solar energy systems, medical instrumentation, instrumentation and HVAC systems.
In conclusion, the S-8521A35MC-AXUT2G is an advanced and versatile dual-programmable buck-boost switching controller with two independent control loops. It is widely used in automotive, consumer and industrial applications, providing a high level of efficiency for low power applications. The device features a wide operating range from 0.8V to 5.5V and an adjustable output voltage, adjustable switching frequency, and advanced phase-lock loop control.
The specific data is subject to PDF, and the above content is for reference
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