| Allicdata Part #: | MAX17245ETESB+T-ND |
| Manufacturer Part#: |
MAX17245ETESB+T |
| Price: | $ 1.88 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Maxim Integrated |
| Short Description: | 36V, 3.5A, 2.2MHZ STEP-DOWN CONV |
| More Detail: | Buck Switching Regulator IC Positive Programmable ... |
| DataSheet: |  MAX17245ETESB+T Datasheet/PDF |
| Quantity: | 1000 |
| 2500 +: | $ 1.70727 |
Specifications
| Series: | -- |
| Part Status: | Active |
| Function: | Step-Down |
| Output Configuration: | Positive |
| Topology: | Buck |
| Output Type: | Programmable (Fixed) |
| Number of Outputs: | 1 |
| Voltage - Input (Min): | 3.5V |
| Voltage - Input (Max): | 36V |
| Voltage - Output (Min/Fixed): | 1V (3.3V) |
| Voltage - Output (Max): | 10V |
| Current - Output: | 3.5A |
| Frequency - Switching: | 400kHz ~ 2.2MHz |
| Synchronous Rectifier: | Yes |
| Operating Temperature: | -40°C ~ 85°C (TA) |
Description
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The MAX17245ETES has become one of the most popular PMIC (Power Management ICs) - Voltage Regulators - DC DC Switching Regulators used in laptops, mobile phones, and other portable electronic devices. It provides a complete power control solution, simplifying system design and reducing the number of components needed. This guide provides a complete overview of the MAX17245ETES, including its application fields and working principle.
Application Field
The MAX17245ETES is ideal for laptop, mobile phone, and other portable device applications. It is designed to reduce the complexity and number of external components required to implement multiple current and voltage settings. It supports up to eight high-current output channels with up to 8A peak current and 8V output voltage. Additionally, it provides a wide range of flexible features such as adjustable switching frequency, low power mode, shut-off delay, and active discharge. Moreover, its wide operating temperature range (-40 to +85°C) makes it suitable for a wide range of environmental conditions. The MAX17245ETES also integrates a low-dropout regulator (LDO) to provide clean power to the microprocessor or other circuits. This helps reduce system modules count which simplifies the overall design of the power management subsystem.
Work Principle
The MAX17245ETES uses a buck switching regulator to reduce the input voltage to the required output voltage. It implements a pulse-width modulation (PWM) control scheme to regulate the output voltage. The MAX17245ETES can be configured to operate in either fixed frequency or burst mode control scheme. In fixed frequency mode, the switching frequency is fixed while in burst mode the switching frequency is varied depending on the load condition. The MAX17245ETES also utilizes an external reference as a feedback loop to ensure that the output voltage remains constant. In addition, it has adjustable soft start time and adjustable slew rate to reduce output in-rush current. It also has a low-power operating mode to reduce power consumption when the output is not in use. Additionally, the MAX17245ETES includes an active discharge feature to reduce output voltage overshoot.
The MAX17245ETES is also capable of protecting itself from faults by implementing a fault monitoring and protection system. The fault monitoring system monitors for undervoltage, overvoltage, and overcurrent conditions, and takes necessary actions to protect the device from such conditions. In addition, the MAX17245ETES can detect changes in the input voltage and can adjust its output voltage to compensate for the change. This makes it suitable for applications that experience changes in input voltage.
Overall, the MAX17245ETES is a highly integrated PMIC (Power Management ICs) - Voltage Regulators - DC DC Switching Regulators suitable for laptop, mobile phone, and other portable device applications. It simplifies system design and reduces the number of components needed while providing reliable power control under a variety of environmental conditions.
The specific data is subject to PDF, and the above content is for reference
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