
Allicdata Part #: | MAX5020ESA-T-ND |
Manufacturer Part#: |
MAX5020ESA-T |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Maxim Integrated |
Short Description: | IC REG CTRLR FLYBACK 8SOIC |
More Detail: | Flyback Regulator Positive, Isolation Capable Outp... |
DataSheet: | ![]() |
Quantity: | 1000 |
1 +: | 0.00000 |
Frequency - Switching: | 275kHz |
Base Part Number: | MAX5020 |
Supplier Device Package: | 8-SOIC |
Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
Operating Temperature: | -40°C ~ 85°C (TA) |
Control Features: | Enable, Soft Start |
Serial Interfaces: | -- |
Clock Sync: | No |
Synchronous Rectifier: | No |
Duty Cycle (Max): | 50% |
Series: | -- |
Voltage - Supply (Vcc/Vdd): | 13 V ~ 36 V |
Output Phases: | 1 |
Number of Outputs: | 1 |
Topology: | Flyback |
Output Configuration: | Positive, Isolation Capable |
Function: | Step-Up/Step-Down |
Output Type: | Transistor Driver |
Part Status: | Obsolete |
Packaging: | Tape & Reel (TR) |
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MAX5020ESA-T Application Field and Working Principle
To process the electrical requirements of electronic products, Voltage Regulators and DC DC Switching Controllers are commonly used. The Maxim Integrated MAX5020ESA-T is a DC-DC switching controller specifically designed for cost-sensitive and space-constrained applications.
The MAX5020ESA-T is a high-efficiency step-down switching controller with a wide input voltage range of 3V to 75V and an adjustable output of up to 12V with a maximum current of 400mA. It also has a wide input voltage range of 60V to 75V and an indicated average output current of 383mA ± 8% over an input voltage range of 3V to 30V. The switching frequency of this switching controller is set to the factory preset value of 600kHz and its wide input voltage range allows it to be used in a variety of applications.
This device has an integrated soft-start circuit that ensures smooth output voltage ramps. It features a selectable burst-mode operation that helps to reduce EMI and lowers quiescent current consumption. It also offers over-voltage protection, over-temperature protection, input under-voltage lockout, and has an enable input that allows it to be disabled from a control node. In addition, it has an audio mute mode that can be used to enable or disable audio output. The MAX5020ESA-T also has a single-pin synchronization input for synchronization with other devices in the system.
The working principle of the MAX5020ESA-T is simple. It utilizes a pulse-width modulated (PWM) synchronous buck regulator. This type of regulator uses two N-channel MOSFETs to switch the voltage between two terminals, a ground terminal and a regulated output terminal based on the pulse width modulation signal from the controller. This allows for a high efficiency voltage regulation, as the controller switches the voltage according to the demand of the load. The controller is also able to detect when the load draws more current than what the regulator can supply and will decrease the frequency to reduce the output current.
In summary, the MAX5020ESA-T is a high-efficiency step-down switching controller specifically designed for cost-sensitive and space-constrained applications. It offers a wide input voltage range of 3V to 75V and an adjustable output of up to 12V with a maximum current of 400mA. It also has an integrated soft-start circuit, a selectable burst-mode operation, over-voltage protection, over-temperature protection, and input under-voltage lockout. It provides an audio mute mode that can be used to enable or disable audio output, and a single-pin synchronization input for synchronization with other devices in the system.
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