MAX5073ETI+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, Step-Down DC-DC Converter
• Package: 28-Pin Thin QFN
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 76V
• Output Voltage Range: 0.8V to 75V
• Output Current: Up to 2A
• Switching Frequency: 100kHz to 1MHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX5073ETI+T has a total of 28 pins. The pin configuration is as follows:

1. VIN: Input Voltage
2. PGND: Power Ground
3. SW: Switch Node
4. LX: Inductor Connection
5. FB: Feedback Voltage
6. COMP: Compensation Node
7. SS/TRK: Soft-Start/Tracking Control
8. EN: Enable Control
9. VCC: Supply Voltage
10. AGND: Analog Ground
11. SYNC: Synchronization Input
12. RT/CLKOUT: Timing Resistor/Clock Output
13. CLKIN: Clock Input
14. PGOOD: Power Good Indicator
15. VOS: Output Voltage Sense
16. ISET: Output Current Set
17. VREF: Reference Voltage
18. VSENSE: Current Sense
19. VDD: Digital Supply Voltage
20. SD: Shutdown Control
21. BOOT: Bootstrap Capacitor Connection
22. BST: Boost Capacitor Connection
23. SS/TRK: Soft-Start/Tracking Control
24. AGND: Analog Ground
25. VCC: Supply Voltage
26. FB: Feedback Voltage
27. COMP: Compensation Node
28. PGND: Power Ground

Functional Features

The MAX5073ETI+T is a high-efficiency, step-down DC-DC converter that provides a regulated output voltage from a wide input voltage range. It offers the following functional features:

• High efficiency up to 95%
• Wide input voltage range of 4.5V to 76V
• Adjustable output voltage ranging from 0.8V to 75V
• Output current capability of up to 2A
• Synchronization input for external clock synchronization
• Soft-start and tracking control for smooth startup and tracking of the output voltage
• Power good indicator for monitoring the output voltage status
• Shutdown control for power-saving mode

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption - Wide input voltage range allows for versatile applications - Adjustable output voltage provides flexibility - Synchronization input enables synchronization with other devices - Soft-start and tracking control ensure stable operation during startup and voltage tracking - Power good indicator enhances system monitoring capabilities - Shutdown control helps conserve power when not in use

Disadvantages: - Limited output current capability compared to higher-rated converters - Requires careful consideration of thermal management due to high efficiency

Working Principles

The MAX5073ETI+T operates as a step-down DC-DC converter using a pulse-width modulation (PWM) control scheme. It converts a higher input voltage to a lower output voltage by controlling the duty cycle of the switching transistor. The feedback voltage is compared to a reference voltage, and the control circuit adjusts the duty cycle accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The MAX5073ETI+T is suitable for various applications, including but not limited to:

1. Industrial power supplies
2. Telecom infrastructure
3. Automotive electronics
4. Battery-powered systems
5. Distributed power systems
6. LED lighting
7. Portable devices

Detailed and Complete Alternative Models

• MAX5072ETI+T
• MAX5074ETI+T
• MAX5075ETI+T
• MAX5076ETI+T
• MAX5077ETI+T
• MAX5078ETI+T
• MAX5079ETI+T

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

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