| Allicdata Part #: | ISL6556ACBZ-ND |
| Manufacturer Part#: |
ISL6556ACBZ |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Intersil |
| Short Description: | IC CTRLR MULTIPHASE VRM10 28SOIC |
| More Detail: | - Controller, Intel VR10X Voltage Regulator IC 4 O... |
| DataSheet: | ISL6556ACBZ Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | 0.00000 |
| Series: | -- |
| Packaging: | Tube |
| Part Status: | Obsolete |
| Applications: | Controller, Intel VR10X |
| Voltage - Input: | 3 V ~ 12 V |
| Number of Outputs: | 4 |
| Voltage - Output: | 0.84 V ~ 1.6 V |
| Operating Temperature: | 0°C ~ 70°C |
| Mounting Type: | Surface Mount |
| Package / Case: | 28-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package: | 28-SOIC |
| Base Part Number: | ISL6556A |
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ISL6556ACBZ Application Field and Working Principle
The ISL6556ACBZ is an advanced high-performance synchronous buck integrated switch regulator designed and manufactured by Intersil. In the field of power management and control, the product is classified under PMIC (Power Management ICs), Voltage Regulators, and Special Purpose Regulators. This application focused assessment will critically look into its key features, the underlying principles of operation, relevant applications, and the various tools to assist in its development.
Key Features of the ISL6556ACBZ
The ISL6556ACBZ is a robust device that includes several features and capabilities that account for its various applications. First, the device can support a wide input voltage range from 4V to 36V with an adjustable output voltage ranging from 0.8V to 5.5V and a maximum switching frequency of 2.5MHz. This high precision regulator provides 0.5V output voltage accuracy and synchronizes external MOSFETs with integrated ultra-low on-resistance. In addition, it provides protection against over-voltage, short-circuit, under-voltage, and thermal overload conditions. Ultra-low operating temperature is another feature of the device; it also provides high-efficiency performance up to 95%.
Working of the ISL6556ACBZ Voltage Regulator
The ISL6556ACBZ is a synchronous buck type regulator. As such, this device operates based on the principles of flyback, which involves the conversion of energy whenever a load is applied on the input voltage. This operation begins when the voltage is applied, following which the device responds by sensing the current and responding appropriately. This response can be regulated via a control loop on the regulator, which is managed through the use of a Current Mode controller and a PWM signal generator. When the voltage is applied and the current is sensed, the PWM signal is generated, and this serves to determine the ON/OFF state of the MOSFETs during the conversion process. The goal of the controller is to maintain voltage stability and load balance.
Applications of the ISL6556ACBZ Voltage Regulator
The ISL6556ACBZ is an extensive device that caters to multiple areas. Most prominently, it is targeted towards industrial applications such as robotics and automated systems. It has proven useful in the development of automotive batteries and the protection of electrical systems. Moreover, the regulator is also key in the production of a variety of consumer-level products. Examples include LED lighting, portable media players and handheld devices, as well as desktop PCs, notebooks and tablets. Other applications include power management, motor control, voltage scaling, and audio amps.
Tools to Assist in Regulator Design
To support the design effort, Intersil has released a comprehensive range of evaluation boards and reference designs. For example, the Intersil ISL6000EVM-TRD is an evaluation module for the ISL6556ACBZ, complete with On-Board calibration allowing for full automation in the development cycle. This comes in the form of an I2C interface, enabling device initialization and setting various parameters such as switching frequency, hysteresis, current limit, and soft-start duration. It includes a clear graphical user interface and a full-featured design package which allows the capacitor values and physical placement of the components to be quickly derived for the desired application conditions.
The specific data is subject to PDF, and the above content is for reference
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ISL6556ACBZ Datasheet/PDF