MAX1712EEG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, Low-power, Step-up DC-DC Converter
• Package: 24-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 3.3V to 28V
• Maximum Output Current: 1A
• Switching Frequency: 500kHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1712EEG has a total of 24 pins. The pin configuration is as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. SW: Switching node connection
4. FB: Feedback pin for output voltage regulation
5. EN: Enable pin for turning the device on/off
6. SS/TRK: Soft-start/tracking pin
7. VCC: Supply voltage input for internal circuitry
8. PGND: Power ground pin
9. LX: Inductor connection pin
10. COMP: Compensation pin for loop stability
11. BST: Boost capacitor connection pin
12. AGND: Analog ground pin
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection
17. NC: No connection
18. NC: No connection
19. NC: No connection
20. NC: No connection
21. NC: No connection
22. NC: No connection
23. NC: No connection
24. NC: No connection

Functional Features

• High-efficiency step-up DC-DC converter
• Wide input voltage range for versatile applications
• Adjustable output voltage to meet specific requirements
• Integrated soft-start and tracking functionality
• Overcurrent and overtemperature protection
• Low-power shutdown mode for power saving

Advantages and Disadvantages

Advantages

• High efficiency results in reduced power consumption
• Wide input voltage range allows for flexibility in power sources
• Adjustable output voltage accommodates various load requirements
• Integrated protection features enhance reliability and safety
• Compact package size enables space-saving designs

Disadvantages

• Limited maximum output current of 1A may not be suitable for high-power applications
• Higher switching frequency may introduce additional noise in sensitive circuits

Working Principles

The MAX1712EEG is a step-up DC-DC converter that converts a lower input voltage to a higher output voltage. It utilizes a high-frequency switching technique to efficiently transfer energy from the input to the output. The device incorporates an internal power MOSFET, which acts as a switch, along with an inductor and a diode.

During operation, the input voltage is applied to the VIN pin, and the internal switch controls the flow of current through the inductor. When the switch is closed, energy is stored in the inductor. When the switch opens, the stored energy is released, resulting in an increased output voltage. The feedback mechanism ensures that the output voltage remains within the desired range by adjusting the duty cycle of the switch.

Detailed Application Field Plans

The MAX1712EEG is commonly used in various applications where a higher output voltage is required from a lower input voltage. Some typical application fields include:

1. Battery-powered devices: The MAX1712EEG can efficiently boost the battery voltage to power components that require higher voltages, such as LCD displays, audio amplifiers, and wireless modules.

2. Portable electronics: It can be used in portable devices like smartphones, tablets, and digital cameras to provide the necessary voltage levels for different subsystems.

3. Industrial automation: The converter is suitable for industrial applications that require stable and regulated power supplies, such as control systems, sensors, and actuators.

4. Automotive electronics: It finds application in automotive systems, including infotainment systems, navigation units, and lighting controls, where it ensures reliable power delivery.

Detailed and Complete Alternative Models

1. MAX1771: Similar step-up DC-DC converter with higher maximum output current of 2A.
2. MAX1724: Step-up DC-DC converter with integrated low-battery detection and shutdown functionality.
3. MAX1715: Step-up DC-DC converter with adjustable output voltage and higher switching frequency.

These alternative models offer similar functionality to the MAX1712EEG but may have different specifications or additional features to suit specific requirements.

In conclusion, the MAX1712EEG is a high-efficiency step-up DC-DC converter that provides a flexible and reliable solution