MAX1799EUP+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: High-efficiency step-up DC-DC converter
Package: 20-pin TSSOP package
Essence: Provides a regulated output voltage higher than the input voltage
Packaging/Quantity: Available in reels of 2500 units

Specifications

Input Voltage Range: 2.5V to 16V
Output Voltage Range: 4V to 28V
Switching Frequency: 1MHz
Maximum Output Current: 500mA
Efficiency: Up to 90%
Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1799EUP+ has a total of 20 pins, each serving a specific function. The pin configuration is as follows:

VIN: Input voltage pin
GND: Ground reference pin
SW: Switching node connection for the internal power switch
FB: Feedback pin for regulating the output voltage
EN: Enable pin for turning the device on/off
SS/TRK: Soft-start and tracking control pin
VOUT: Output voltage pin
PGND: Power ground reference pin
BST: Boost capacitor connection pin
COMP: Compensation pin for loop stability
AGND: Analog ground reference pin
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection

Functional Features

High-efficiency step-up DC-DC converter
Wide input voltage range for versatile applications
Regulated output voltage higher than the input voltage
Internal power switch for simplified design
Soft-start and tracking control for smooth operation
Overcurrent and overtemperature protection

Advantages and Disadvantages

Advantages: - High efficiency up to 90% - Wide input voltage range allows flexibility in power source selection - Compact 20-pin TSSOP package for space-constrained designs - Overcurrent and overtemperature protection ensures device safety

Disadvantages: - Maximum output current limited to 500mA - Limited operating temperature range (-40°C to +85°C)

Working Principles

The MAX1799EUP+ is a step-up DC-DC converter that utilizes a high-frequency switching technique to boost the input voltage to a regulated output voltage. It employs an internal power switch to efficiently transfer energy from the input to the output. The feedback mechanism continuously monitors the output voltage and adjusts the duty cycle of the internal switch to maintain a stable output.

Detailed Application Field Plans

The MAX1799EUP+ is commonly used in various applications, including but not limited to: - Battery-powered devices requiring higher voltage levels - Portable electronic devices - Industrial automation systems - Automotive electronics - LED lighting applications

Detailed and Complete Alternative Models

MAX1771ESA+: Similar step-up DC-DC converter with a lower maximum output current of 350mA.
MAX1724EZK33+: Step-up DC-DC converter with fixed 3.3V output voltage and a maximum output current of 300mA.
MAX17061G+T: High-efficiency step-up DC-DC converter with integrated power switch and a maximum output current of 600mA.

These alternative models offer different specifications and features, allowing designers to choose the most suitable option for their specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX1799EUP+ v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX1799EUP+ in technical solutions:

Q: What is the MAX1799EUP+? A: The MAX1799EUP+ is a high-efficiency, low-quiescent-current, step-up DC-DC converter.
Q: What is the input voltage range of the MAX1799EUP+? A: The input voltage range of the MAX1799EUP+ is typically between 0.8V and 5.5V.
Q: What is the output voltage range of the MAX1799EUP+? A: The output voltage range of the MAX1799EUP+ can be set from 2.5V to 5.5V using external resistors.
Q: What is the maximum output current of the MAX1799EUP+? A: The maximum output current of the MAX1799EUP+ is 100mA.
Q: Can the MAX1799EUP+ operate in shutdown mode? A: Yes, the MAX1799EUP+ can be put into shutdown mode by pulling the SHDN pin low, reducing its quiescent current to less than 1µA.
Q: Does the MAX1799EUP+ have built-in overcurrent protection? A: Yes, the MAX1799EUP+ features overcurrent protection that limits the output current to prevent damage to the device.
Q: Is the MAX1799EUP+ suitable for battery-powered applications? A: Yes, the low quiescent current and high efficiency of the MAX1799EUP+ make it well-suited for battery-powered applications.
Q: Can the MAX1799EUP+ operate with ceramic capacitors? A: Yes, the MAX1799EUP+ is designed to work with ceramic output capacitors, providing flexibility in component selection.
Q: Does the MAX1799EUP+ have thermal shutdown protection? A: Yes, the MAX1799EUP+ includes thermal shutdown protection that activates when the junction temperature exceeds a safe limit.
Q: What package does the MAX1799EUP+ come in? A: The MAX1799EUP+ is available in a 20-pin TSSOP package, making it suitable for space-constrained applications.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult the manufacturer for detailed information.