MAX3535ECWI+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, low-power, wide input voltage range
• Package: 28-pin Wide SOIC (Small Outline Integrated Circuit)
• Essence: Power management IC designed for various applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 76V
• Output Voltage Range: 1.2V to 60V
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to +125°C
• Efficiency: Up to 95%
• Protection Features: Overvoltage, undervoltage, overcurrent, and thermal shutdown

Pin Configuration

The MAX3535ECWI+T has a total of 28 pins. The pin configuration is as follows:

1. VIN: Input voltage
2. GND: Ground
3. SW: Switch node connection
4. FB: Feedback voltage input
5. EN: Enable control input
6. VCC: Supply voltage
7. PGND: Power ground
8. BST: Bootstrap capacitor connection
9. LX: Inductor connection
10. COMP: Compensation pin
11. SS/TRK: Soft-start/tracking control
12. AGND: Analog ground
13. RT: Timing resistor connection
14. CT: Timing capacitor connection
15. SYNC: Synchronization input
16. CLKOUT: Clock output
17. CLKIN: Clock input
18. NC: No connect
19. NC: No connect
20. NC: No connect
21. NC: No connect
22. NC: No connect
23. NC: No connect
24. NC: No connect
25. NC: No connect
26. NC: No connect
27. NC: No connect
28. NC: No connect

Functional Features

• High-efficiency step-down DC-DC converter
• Wide input voltage range suitable for various applications
• Adjustable output voltage with high accuracy
• Integrated protection features for reliable operation
• Synchronization capability for multi-phase operation
• Soft-start and tracking control for controlled startup

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Wide input voltage range allows for versatile use
• Compact package size for space-constrained designs
• Integrated protection features ensure system reliability
• Synchronization capability enables multi-phase operation

Disadvantages

• Limited maximum output voltage of 60V
• Requires external components for operation
• Higher cost compared to non-integrated solutions

Working Principles

The MAX3535ECWI+T is a step-down DC-DC converter that efficiently converts a higher input voltage to a lower output voltage. It utilizes a switching regulator topology to achieve high efficiency. The integrated circuit incorporates a control loop that regulates the output voltage based on the feedback signal received from the FB pin. The switching frequency can be adjusted externally using the RT and CT pins.

During operation, the VIN pin receives the input voltage, which is then regulated and stepped down to the desired output voltage. The SW pin connects to an external inductor (LX) and a diode to form a buck converter. The EN pin controls the enable/disable state of the IC, allowing for power management. The PGND pin serves as the ground reference for the power stage, while the AGND pin is the analog ground reference.

Detailed Application Field Plans

The MAX3535ECWI+T is widely used in various applications requiring efficient power management. Some of the common application fields include:

1. Industrial Automation: Powering control systems, motor drives, and sensors.
2. Automotive Electronics: Providing power to infotainment systems, lighting, and advanced driver-assistance systems (ADAS).
3. Telecommunications: Powering base stations, routers, and network equipment.
4. Consumer Electronics: Powering portable devices, home appliances, and audio/video equipment.
5. Renewable Energy: Powering solar inverters, wind turbines, and energy storage systems.

Detailed and Complete Alternative Models

1. MAX3536ECWI+T
2. MAX3537ECWI+T
3. MAX3538ECWI+T
4. MAX3539ECWI+T
5. MAX3540ECWI+T

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

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