MAX17290EUBB+T Allicdata Electronics
Allicdata Part #:

MAX17290EUBB+T-ND

Manufacturer Part#:

MAX17290EUBB+T

Price: $ 1.27
Product Category:

Integrated Circuits (ICs)

Manufacturer: Maxim Integrated
Short Description: 36V, 2.5MHZ BOOST/SEPIC CONTROLL
More Detail: Boost Switching Regulator IC Positive Adjustable 5...
DataSheet: MAX17290EUBB+T datasheetMAX17290EUBB+T Datasheet/PDF
Quantity: 1000
2500 +: $ 1.15399
Stock 1000Can Ship Immediately
$ 1.27
Specifications
Series: --
Part Status: Active
Function: Step-Up
Output Configuration: Positive
Topology: Boost
Output Type: Adjustable
Number of Outputs: 1
Voltage - Input (Min): 4.5V
Voltage - Input (Max): 36V
Voltage - Output (Min/Fixed): 5V
Voltage - Output (Max): --
Current - Output: 1A
Frequency - Switching: 100kHz ~ 1MHz
Synchronous Rectifier: No
Operating Temperature: -40°C ~ 85°C (TA)
Description

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PMIC - Voltage Regulators - DC DC Switching Regulators

PMIC, or Power Management IC, are units used in electronic systems to provide efficient and reliable power management. The DC DC switching regulator, in particular, is a type of PMIC which can step up, stabilize, and step down the voltage and current supplied to the electronic systems. The MAX17290EUBB+T is a member of this family of PMIC and is used primarily in automotive systems and other high-reliability applications.

Application Field

The MAX17290EUBB+T is a 120mOhm, 500mA step down DCDC switching regulator featuring an integrated 8x1mV low dropout (T-LDO) linear regulator. The T-LDO regulator is capable of providing very low dropout voltage and excellent power efficiency, ideal for automotive systems, allowing for long battery operating hours. Additionally, the integrated high-side current sensing, current sense amplifier, and inrush current limitation features of the MAX17290EUBB+T, greatly reduce the thermal stress on the components and improves system reliability, critical for systems under constant high temperatures. The MAX17290EUBB+T is also capable of providing very low quiescent current (Iq) of 1.6mA at VOUT of 5.0V. This provides significant energy savings, making the device ideal for battery-powered and energy-harvesting applications such as medical devices, portable consumer products and environmental sensors. The wide input range of 4.0V to 45V enables the MAX17290EUBB+T to be used in varying applications including those involving 12V and 24V systems. The wide input voltage range along with its ultra-low quiescent current and low dropout features, makes the MAX17290EUBB+T adept for powering low power voltage nodes.

Working Principle

The MAX17290EUBB+T is a switch-modestep down DCDC switching regulator capable ofproviding up to 500mA of continuous output current. The switching regulator consits of two essential parts, an oscillator and a switching regulator circuit. The oscillator produces a triangular waveform, requiring only two external resistors and one capacitor, allowing for ease of setup and implementation. The switching regulator circuit operates in two main modes, named as the discontinuous conduction mode (DCM) and continuous conduction mode (CCM). In the DCM, the inductor current drops down to zero when the oscillator’s output is low, forcing the switching regulator circuit to dwell in this mode during light load conditions. During heavy load conditions, or when the oscillator’s output is high, the switching regulator circuit operates in CCM. In this mode, the inductor current will oscillate but will never fall below certain predetermined limits. The switching regulator circuit implementation of MAX17290EUBB+T makes use of integrally derived compensator to optimize the transient performance, stability, and output ripple. The high-side current sensing, current sense amplifier, and ultra-tight regulation enables the MAX17290EUBB+T to provide reliable output voltage across various load conditions.

Conclusion

The MAX17290EUBB+T is a versatile Power Management IC (PMIC) suitable for automotive and other high-reliability applications. Its combination of low dropout linear regulator, wide input voltage range, low quiescent current and 500mA output current makes it excel in applications such as medical devices, portable consumer products, environmental sensors and battery powered gadgets. Its integrated high-side current sensing, current sense amplifier, and inrush current limitation further makes it ideal for devices operating in high temperature and motion conditions. The switch-mode DCDC switching regulatordesign of the MAX17290EUBB+T features intelligently derived compensator to optimize transient performance, stability and ripple. Its ease of setup and implementation also adds to its broad range of applications, making it an ideal choice for your required voltage regulation duties.

The specific data is subject to PDF, and the above content is for reference

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