| Allicdata Part #: | MAX5094AAUA+-ND |
| Manufacturer Part#: |
MAX5094AAUA+ |
| Price: | $ 2.82 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Maxim Integrated |
| Short Description: | IC REG CTRLR MULT TOPOLOGY 8UMAX |
| More Detail: | Flyback, Forward Converter Regulator Positive, Iso... |
| DataSheet: |  MAX5094AAUA+ Datasheet/PDF |
| Quantity: | 1000 |
| 100 +: | $ 2.56259 |
Specifications
| Frequency - Switching: | 20kHz ~ 1MHz |
| Base Part Number: | MAX5094 |
| Supplier Device Package: | 8-uMAX |
| Package / Case: | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Operating Temperature: | -40°C ~ 125°C (TJ) |
| Control Features: | Frequency Control |
| Serial Interfaces: | -- |
| Clock Sync: | No |
| Synchronous Rectifier: | No |
| Duty Cycle (Max): | 96% |
| Series: | -- |
| Voltage - Supply (Vcc/Vdd): | 7.6 V ~ 30 V |
| Output Phases: | 1 |
| Number of Outputs: | 1 |
| Topology: | Flyback, Forward Converter |
| Output Configuration: | Positive, Isolation Capable |
| Function: | Step-Up/Step-Down |
| Output Type: | Transistor Driver |
| Part Status: | Active |
| Packaging: | Tube |
Description
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Introduction
MAX 5094 AAUA+ is an advanced active current-limited DC-DC controller, designed to reduce the complexity and size of the power supply. The chip provides a single output, adjustable level, protected, programmable current limiting and soft-start capabilities. It can work as both a synchronous step down voltage regulator and as a dedicated current regulated power supply. This article will discuss the application field and working principle of MAX 5094 AAUA+.
Application Fields of MAX 5094AAUA+
MAX 5094 AAUA+ is specifically designed to be used in notebook computers and mobile devices. The chip\'s low cost and high efficiency makes it attractive for applications such as notebook adapters, PC power supplies, and low-power applications such as point-of-sale printers and hand-held terminals. The chip\'s versatile feature set gives designers a high degree of flexibility in their design. In addition, the chip can be used in regulated power modules such as RAID controllers, embedded motherboards, industrial control systems and even general purpose electronic equipment.
Working Principle of MAX 5094AAUA+
The MAX 5094AAUA+ uses an active current-limited architecture to provide a single output, adjustable level, protected and programmable current limiting and soft-start capabilities. The chip provides an adjustable output voltage and current limit. The current limit is adjustable from 0 to 250mA by setting the SS pin voltage. The output voltage is adjustable from 0 to five times the input voltage, with a minimum of 2.5V.The MAX 5094AAUA+ uses a buck topology and a fixed frequency control architecture. The chip senses the current in the output stage, and when it exceeds the predetermined current limit, a fault signal is generated and the output stage is shut down. The sense voltage of the output stage is monitored to make sure it is within its specifications.The chip also includes a soft start pin, which is controlled by the on-chip charge pump. The charge pump charges the soft start capacitor after each power cycle. This feature helps reduce inrush current during startup.The MAX 5094AAUA+ also has over temperature and over voltage protection. The chip is designed such that if the output voltage exceeds a programmable voltage, the chip will shut down its output and enter a safety mode. If the temperature exceeds a programmable temperature, the chip will enter a safety mode and shut down its output.
Conclusion
MAX 5094 AAUA+ is an advanced active current-limited DC-DC controller designed to reduce the complexity and size of the power supply. The chip provides a single output, adjustable level, protected, programmable current limiting and soft-start capabilities. It is ideally suited for applications such asnotebook adapters, PC power supplies, and low-power applications such as point-of-sale printers. The chip uses an active current-limited architecture to provide a single output, adjustable level, protected and programmable current limiting and soft-start capabilities. In addition, the chip includes a soft start pin, which is controlled by the on-chip charge pump, and also has over temperature and over voltage protection.
The specific data is subject to PDF, and the above content is for reference
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