MAX5090AATE+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Voltage Step-Down DC-DC Converter
• Package: 16-TDFN (3x3mm)
• Essence: Efficient power conversion with high voltage capability
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 76V
• Output Voltage Range: 0.8V to 60V
• Switching Frequency: 100kHz to 2MHz
• Maximum Output Current: 1.5A
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MAX5090AATE+T has a 16-pin TDFN package with the following pin configuration:

1. VIN: Input Voltage
2. SW: Switch Node
3. GND: Ground
4. FB: Feedback Voltage
5. EN: Enable Control
6. SS/TR: Soft-Start/Tracking
7. VCC: Supply Voltage
8. PGND: Power Ground
9. AGND: Analog Ground
10. COMP: Compensation
11. SS/TR: Soft-Start/Tracking
12. FB: Feedback Voltage
13. GND: Ground
14. SW: Switch Node
15. VIN: Input Voltage
16. VCC: Supply Voltage

Functional Features

• High voltage step-down DC-DC converter
• Wide input voltage range for versatile applications
• Adjustable output voltage for flexibility
• High efficiency for power savings
• Integrated soft-start and tracking functions
• Overcurrent and overtemperature protection
• Small form factor package for space-constrained designs

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources
• Adjustable output voltage provides flexibility for different load requirements
• High efficiency reduces power dissipation and improves overall system performance
• Integrated soft-start and tracking functions simplify system design
• Overcurrent and overtemperature protection enhance reliability and safety
• Small package size enables compact and space-efficient designs

Disadvantages

• Limited maximum output current of 1.5A may not be suitable for high-power applications
• Higher switching frequency may introduce additional noise in sensitive applications

Working Principles

The MAX5090AATE+T is a high voltage step-down DC-DC converter that utilizes a switching regulator topology to efficiently convert input voltage to a lower output voltage. It employs a pulse-width modulation (PWM) control scheme to regulate the output voltage.

The input voltage is connected to the VIN pin, and the SW pin is the switch node where the internal power MOSFET operates. The feedback voltage (FB) pin monitors the output voltage and adjusts the duty cycle of the internal switch to maintain the desired output voltage.

The enable control (EN) pin allows the device to be turned on or off, while the soft-start/tracking (SS/TR) pin provides a controlled startup and shutdown sequence. The compensation (COMP) pin is used to stabilize the control loop and optimize transient response.

The MAX5090AATE+T also incorporates overcurrent and overtemperature protection mechanisms to safeguard the device and the connected circuitry.

Detailed Application Field Plans

The MAX5090AATE+T is well-suited for a wide range of applications, including:

1. Industrial equipment power supplies
2. Automotive power distribution systems
3. Telecommunications infrastructure
4. Battery-powered devices
5. LED lighting systems
6. Portable medical devices
7. Distributed power systems
8. Solar power converters

Its high voltage capability, adjustable output voltage, and compact package make it suitable for various power management requirements in different industries.

Detailed and Complete Alternative Models

1. MAX5090BATE+T: Similar to MAX5090AATE+T but with a higher maximum output current of 2A.
2. MAX5090CATE+T: Similar to MAX5090AATE+T but with a wider input voltage range of 4.5V to 100V.
3. MAX5090DATE+T: Similar to MAX5090AATE+T but with a lower switching frequency range of 100kHz to 500kHz.

These alternative models offer variations in specifications to cater to specific application needs while maintaining the core functionality of the MAX5090 series.

In conclusion, the MAX5090AATE+T is a high voltage step-down DC-DC converter that provides efficient power conversion with a wide input voltage range. Its small form factor, adjustable output voltage, and integrated features make it suitable for various applications in different industries.