Allicdata Part #: | MAX20021ATIA+-ND |
Manufacturer Part#: |
MAX20021ATIA+ |
Price: | $ 1.06 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Maxim Integrated |
Short Description: | IC REG BUCK MULTIPLE QD 28QFN |
More Detail: | Buck Switching Regulator IC Positive Fixed 1.25V, ... |
DataSheet: | MAX20021ATIA+ Datasheet/PDF |
Quantity: | 1000 |
240 +: | $ 0.97117 |
Voltage - Input (Max): | 5.5V |
Supplier Device Package: | 28-TQFN-EP (5x5) |
Package / Case: | 28-WFQFN Exposed Pad |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 125°C (TJ) |
Synchronous Rectifier: | Yes |
Frequency - Switching: | 3.2MHz |
Current - Output: | 1A, 500mA, 500mA, 1A |
Voltage - Output (Max): | -- |
Voltage - Output (Min/Fixed): | 1.25V, 1.8V, 2.65V, 3.3V |
Series: | -- |
Voltage - Input (Min): | 3V |
Number of Outputs: | 4 |
Output Type: | Fixed |
Topology: | Buck |
Output Configuration: | Positive |
Function: | Step-Down |
Part Status: | Active |
Packaging: | Tube |
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MAX20021ATIA+ is a DC to DC switching regulator which provides power management solutions for applications requiring low voltage, high accuracy, and low quiescent current. It features integrated compensation, and has a low RON internal power MOSFET\'s which minimize power dissipation and decrease solution complexity while reducing overall system cost. Additionally, its 2-phase architecture helps maximize efficiency and improve transient response.
The MAX20021ATIA+ DC to DC switching regulator operates from a wide input voltage range from 9V down to 0V. The adjustable input voltage range makes it ideal for applications needing to source and/or sink current from multiple sources. It supports two output voltages, one of which is adjustable, and is available in either a 3V or a 5V version. This device is capable of delivering output currents up to 8amps, with very low quiescent current in both PWM and PFM modes.
One key feature of MAX20021ATIA+ is its ability to operate in both PWM and Burst Mode operation. In PWM mode, the device operates at a fixed frequency (typically 1000Khz to 5Mhz). In Burst Mode, the device alternates between PWM and pause states. This helps to minimize the quiescent current consumption and maximize efficiency in light load conditions. The device can switch between PWM and burst mode depending on the load; this is determined by an external resistor. The same resistor is also used to program the max switch current.
MAX20021ATIA+ is ideal for system requiring very low quiescent current and power saving while requiring full feature support and regulator diagnostics. It is designed to reduce system cost and complexity while providing extreme accuracy and low power consumption, allowing it to be used in a variety of applications including portable devices, notebooks, and other consumer electronics.
To ensure the highest accuracy of the output voltage, a reference voltage is used. This reference voltage can be internally adjusted by an external resistor divider or by the use of an external reference. In order to minimize noise and ripple, an internal compensation network is provided, which is optimized for low noise operation. Additionally, the MAX20021ATIA+ includes various protection circuits such as over-voltage, over-current, and thermal shutdown.
The MAX20021ATIA+ is a versatile DC to DC switching regulator which provides optimized performance and reduced complexity in a wide variety of system applications. Its combination of low quiescent current and input voltage range, along with its current mode control make it ideal for a range of models from portable devices to notebooks, and other consumer electronics applications.
The specific data is subject to PDF, and the above content is for reference
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