MAX17499BEUB+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-Efficiency Step-Down Converter
• Package: µMAX®
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 2500 pieces per reel

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 0.8V to 0.9 x VIN
• Output Current: Up to 500mA
• Switching Frequency: 2.2MHz
• Efficiency: Up to 92%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX17499BEUB+T has the following pin configuration:

1. GND: Ground connection
2. SW: Switching node for the step-down converter
3. FB: Feedback input for regulating the output voltage
4. EN: Enable pin to turn the device on/off
5. VIN: Input voltage supply
6. PG: Power Good indicator output
7. LX: Inductor connection for the step-down converter
8. VOUT: Output voltage supply

Functional Features

• High-efficiency step-down converter with integrated power MOSFET
• Wide input voltage range suitable for various applications
• Adjustable output voltage through external resistors
• Power Good indicator for monitoring the output voltage status
• Enable pin for easy control of the device's operation
• Overcurrent and overtemperature protection for enhanced reliability

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power dissipation and longer battery life
• Wide input voltage range allows compatibility with different power sources
• Compact package size enables space-saving designs
• Integrated power MOSFET simplifies the circuit layout
• Overcurrent and overtemperature protection enhance system reliability

Disadvantages

• Limited output current capability (up to 500mA)
• Higher switching frequency may introduce additional noise in sensitive applications

Working Principles

The MAX17499BEUB+T is a high-efficiency step-down converter that converts a higher input voltage to a lower output voltage. It utilizes a pulse-width modulation (PWM) control scheme to regulate the output voltage. The integrated power MOSFET switches the input voltage across an inductor, creating a varying current that is then filtered to provide a stable output voltage. The feedback loop compares the actual output voltage with a reference voltage and adjusts the duty cycle of the switching signal to maintain the desired output voltage.

Detailed Application Field Plans

The MAX17499BEUB+T is suitable for various applications, including:

1. Battery-powered devices: Provides efficient power conversion for portable electronics, such as smartphones, tablets, and wearables.
2. Industrial equipment: Enables reliable power management in industrial automation systems, motor drives, and control circuits.
3. Automotive electronics: Supports power supply requirements in automotive infotainment systems, lighting controls, and advanced driver-assistance systems (ADAS).
4. IoT devices: Facilitates power management in Internet of Things (IoT) devices, including sensors, smart home devices, and wireless communication modules.

Detailed and Complete Alternative Models

• MAX17498BEUB+T: Similar specifications but with a lower output current capability (up to 300mA)
• MAX17501BEUB+T: Step-down converter with higher output current capability (up to 1A)
• MAX17503BEUB+T: Step-down converter with adjustable output voltage and higher efficiency

(Note: This list is not exhaustive and other alternative models may exist.)

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