MAX1705EEE

Product Overview

• Category: Voltage Regulator
• Use: Step-Down DC-DC Converter
• Characteristics: High Efficiency, Low Quiescent Current
• Package: 16-pin QSOP
• Essence: Power Management IC
• Packaging/Quantity: Tube/50 units

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 2.5V to 5.5V
• Output Current: Up to 500mA
• Switching Frequency: 300kHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VIN (Pin 1) - Input Voltage
2. GND (Pins 3, 6, 7, 10, 11, 14, 15) - Ground
3. LX (Pin 2) - Switch Node
4. FB (Pin 4) - Feedback Input
5. SHDN (Pin 5) - Shutdown
6. COMP (Pin 8) - Compensation
7. SS/TRK (Pin 9) - Soft-Start/Tracking
8. VOUT (Pin 12) - Output Voltage
9. PGND (Pin 13) - Power Ground
10. POK (Pin 16) - Power OK

Functional Features

• High Efficiency up to 96%
• Low Quiescent Current of 20µA
• Integrated Power MOSFETs
• Overcurrent and Thermal Shutdown Protection
• Soft-Start Capability

Advantages and Disadvantages

Advantages

• Wide Input Voltage Range
• Small Package Size
• High Efficiency
• Low Quiescent Current

Disadvantages

• Limited Output Current (Up to 500mA)

Working Principles

The MAX1705EEE is a step-down DC-DC converter that uses pulse-width modulation (PWM) to regulate the output voltage. It operates by controlling the duty cycle of the internal power MOSFET to achieve the desired output voltage.

Detailed Application Field Plans

The MAX1705EEE is suitable for various applications including battery-powered devices, portable instruments, and distributed power systems. It can be used to efficiently regulate the voltage from a wide range of input sources to power microcontrollers, sensors, and other low-power components.

Detailed and Complete Alternative Models

• MAX1706
• MAX1707
• MAX1708
• MAX1709

In conclusion, the MAX1705EEE is a versatile voltage regulator with high efficiency and low quiescent current, making it suitable for a wide range of applications in the field of power management.

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