MAX17551AUB+T

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MAX17551AUB+T

+Nomenclature

IC REG BUCK ADJ 50MA 10UMAX

  • FabricantAnalog Equipment GmbH / intégration Maxim

  • Pièce fabricant #MAX17551AUB+T

  • Fiche technique MAX17551AUB+T DataSheet

  • En stock9295

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Spécifications

Attribut Valeur
Series Himalaya
Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 4V
Voltage - Input (Max) 60V
Voltage - Output (Min / Fixed) 0.8V
Voltage - Output (Max) 54V
Current - Output 50mA
Frequency - Switching 100kHz ~ 2.2MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package 10-uMAX/uSOP
Base Product Number MAX17551

Présentation

Description

The MAX17551AUB+T is a high-efficiency, synchronous step-down (buck) regulator designed for a wide input voltage range of 4.5V to 60V, making it suitable for various applications, including industrial, automotive, and telecom systems. This device can deliver up to 3A of output current with high efficiency, even at low loads, which helps minimize heat generation and enhances overall system reliability.
Key features include an adjustable output voltage down to 0.8V, a high switching frequency of up to 1.5MHz, and integrated power MOSFETs, reducing external component count. The MAX17551AUB+T also offers features such as under-voltage lockout, overvoltage protection, and thermal shutdown to ensure safe operation.
Its compact package and robust performance allow for easy integration into space-constrained designs. Overall, the MAX17551AUB+T is an excellent choice for designing efficient power supplies in demanding environments.

Equivalent

The MAX17551AUB+T is a high-efficiency step-down voltage regulator. Equivalent products include the LM2596 from Texas Instruments, the TPS563201, and the LTC3780 from Analog Devices. Additionally, the MICREL MIC2290 and the APH250 from Diodes Incorporated may also serve as alternatives, depending on specific application requirements such as voltage range and load current capabilities. Always verify specifications to ensure compatibility.

Features

The MAX17551AUB+T is a high-efficiency, synchronous step-down DC-DC converter designed for a wide input voltage range and high output current applications. Key features include:
1. Input Voltage Range: 4.5V to 60V, accommodating various power sources.
2. Output Current: Up to 3A continuous output current, suitable for demanding applications.
3. Efficiency: High efficiency (up to 96%) minimizes heat generation and maximizes battery life.
4. Output Voltage: Adjustable output voltage, from 0.8V to 90% of the input voltage.
5. Switching Frequency: Adjustable frequency up to 1MHz, allowing for optimization of the trade-off between size and efficiency.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout.
7. Small Package: Available in a compact HTQFN-16 package, ideal for space-constrained designs.
8. Soft-Start: Integrated soft-start feature reduces inrush current during startup.
These features make the MAX17551AUB+T suitable for industrial, automotive, and portable applications.

Pinout

The MAX17551AUB+T is a high-voltage, step-down (buck) regulator with a pin count of 16. It is designed to efficiently convert a wide input voltage range (up to 60V) to a lower output voltage, making it suitable for various applications including industrial and automotive systems.
The key functions of the pins include:
1. VIN: Input voltage supply.
2. GND: Ground connection.
3. SW: Switch node for the inductor connection.
4. COMP: Compensation network for loop stability.
5. FB: Feedback voltage pin for output voltage regulation.
6. EN: Enable pin to turn the regulator on/off.
7. PGND: Power ground for switching circuit.
8. VOUT: Output voltage connection.
9. CSN/ CSP: Current sense pins for overcurrent protection.
10. SS: Soft-start control for limiting inrush current.
11. ISN/ ISP: Current sense inputs.
This device features adjustable output voltage, high efficiency, and built-in protections, making it versatile for demanding applications.

Manufacturer

The MAX17551AUB+T is manufactured by Analog Devices, Inc. Analog Devices is a global semiconductor company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company has a strong focus on providing solutions for various applications, including industrial automation, automotive, communications, and consumer electronics.
Analog Devices is known for its innovative technologies that enhance signal processing, data conversion, and power management. The MAX17551AUB+T, specifically, is a high-efficiency, step-down (buck) regulator aimed at delivering power management solutions in compact designs. The company's products are widely recognized for their reliability and performance, catering to engineers and designers in need of advanced electronic components.

Application

The MAX17551AUB+T is a high-efficiency, synchronous step-down DC-DC converter designed for a variety of applications. Key application areas include industrial automation, automotive power supplies, telecommunications, and battery-powered devices. It is suitable for powering microcontrollers, FPGAs, and sensors, as well as providing power for consumer electronics and LED drivers. Its features, such as a wide input voltage range and compact package, make it ideal for space-constrained designs in both portable and stationary applications.

Package

The MAX17551AUB+T is packaged in a 16-pin TQFN (Thin Quad Flat No-lead) package, which features a compact size and improved thermal performance, making it suitable for space-constrained applications.

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