MAX1846EUB+

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MAX1846EUB+

+Lista de Materiais

IC REG CTRLR FLYBACK 10UMAX

  • FabricanteAnalog Devices Inc./Maxim Integrated

  • Peça do Fabricante #MAX1846EUB+

  • Ficha Técnica MAX1846EUB+ DataSheet

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Especificações

Atributo Valor
Part Status Active
Output Type Transistor Driver
Function Step-Up/Step-Down
Output Configuration Negative
Topology Flyback
Number of Outputs 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 3V ~ 16.5V
Frequency - Switching 100kHz ~ 500kHz
Duty Cycle (Max) 96%
Synchronous Rectifier No
Clock Sync Yes
Control Features Enable, Frequency Control
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package 10-uMAX/uSOP
Base Product Number MAX1846

Visão Geral

Description

The MAX1846EUB+ is a high-efficiency, step-up DC-DC converter designed for portable applications, such as battery-powered devices. It features a low quiescent current, making it suitable for applications requiring prolonged battery life. The device operates with an input voltage range of 2.5V to 5.5V and can boost the output to as high as 28V, making it versatile for various power requirements.
Key features include a peak efficiency of up to 95%, adjustable output voltage via external resistors, and integrated soft-start to minimize inrush current. The MAX1846EUB+ also provides built-in over-voltage protection, thermal shutdown, and short-circuit protection, ensuring robust performance and reliability.
Packaged in a compact 5-pin SOT23, it is ideal for space-constrained designs. Overall, the MAX1846EUB+ is a reliable solution for designers looking to implement efficient voltage regulation in their electronic products.

Equivalent

The MAX1846EUB+ is a step-down voltage regulator. Equivalent products include the TPS62160 from Texas Instruments, LM2596 from Texas Instruments, and LT1763 from Analog Devices. Ensure to check specifications like input voltage range, output current, and efficiency for compatibility with your application.

Features

The MAX1846EUB+ is a high-efficiency, step-up DC-DC converter designed for portable applications. Key features include:
1. Input Voltage Range: Operates from 2.5V to 5.5V, suitable for single-cell lithium-ion or alkaline batteries.
2. Output Voltage: Adjustable output voltage up to 34V, allowing flexibility for various applications.
3. High Efficiency: Efficiency up to 95%, minimizing power loss and extending battery life.
4. Low Quiescent Current: Helps conserve battery power during low-load conditions.
5. Built-in Switch: Integrated internal switch reduces component count and PCB space.
6. Soft-Start Function: Reduces inrush current at startup, protecting the circuit.
7. Current Limiting: Provides overcurrent protection to safeguard the device.
8. Thermal Shutdown: Integrated feature to prevent overheating during abnormal conditions.
9. Compact Package: Offered in a 10-pin µMAX package for space-constrained designs.
These features make the MAX1846EUB+ suitable for applications like LED drivers, power supplies for sensors, and portable electronic devices.

Pinout

The MAX1846EUB+ is a high-efficiency, step-up DC-DC converter with a pin count of 10. It is used for powering devices from low-voltage sources. The key functions of its pins are as follows:
1. VIN: Input voltage supply.
2. GND: Ground reference.
3. SW: Switching node connection.
4. VOUT: Output voltage.
5. COMP: Compensation network connection for stability.
6. FB: Feedback pin for voltage regulation.
7. EN: Enable pin to turn the device on/off.
8. ILIM: Current limit adjustment.
9. Rset: Resistor connection to set specific parameters.
10. CSN/ CSP: Current sense pins for current limit feedback.
This compact design is suitable for portable applications where space and efficiency are critical.

Manufacturer

The MAX1846EUB+ is manufactured by Analog Devices, Inc., specifically under its subsidiary, Maxim Integrated. Analog Devices is a multinational semiconductor company that specializes in data conversion, signal processing, and power management solutions. Founded in 1965, the company focuses on designing and manufacturing integrated circuits and systems for various applications, including communications, automotive, industrial, and consumer electronics.
Analog Devices is well-known for its commitment to innovation and high-performance products, catering to a diverse range of markets. The MAX1846EUB+ itself is a high-efficiency, step-down (buck) DC-DC converter that integrates various features for efficient power management in portable devices, making it ideal for battery-powered applications.
The company places a strong emphasis on quality and reliability, ensuring that its products meet stringent standards. With a global presence and a strong reputation in the semiconductor industry, Analog Devices continues to play a significant role in driving technological advancements across multiple sectors.

Application

The MAX1846EUB+ is a dual-input, high-efficiency DC-DC step-down (buck) regulator. Its primary applications include powering portable devices, battery-operated systems, and consumer electronics. It is suitable for use in mobile phones, digital cameras, handheld gaming devices, and other battery-powered applications where size and efficiency are critical. The regulator can also be employed in industrial equipment and automotive electronics, providing regulated output voltages from varying input sources. Its compact size and integrated features make it ideal for space-constrained designs.

Package

The MAX1846EUB+ is packaged in a 10-pin µMAX® package. This surface-mount package is compact and suitable for applications requiring space-efficient solutions.

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