MAX16903RATB33/V+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low quiescent current, high efficiency, small package size
• Package: 16-pin TQFN (Thin Quad Flat No-Lead) package
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage: 3.3V
• Maximum Output Current: 1A
• Quiescent Current: 25µA
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MAX16903RATB33/V+T has a total of 16 pins. The pin configuration is as follows:

1. VIN: Input voltage pin
2. EN: Enable pin
3. GND: Ground pin
4. PGND: Power ground pin
5. SW: Switching node pin
6. FB: Feedback pin
7. SS/TR: Soft-start/Tracking pin
8. VCC: Supply voltage pin
9. VOUT: Output voltage pin
10. BST: Boost pin
11. COMP: Compensation pin
12. AGND: Analog ground pin
13. UVLO: Undervoltage lockout pin
14. OCSET: Overcurrent protection pin
15. SYNC: Synchronization pin
16. CLKOUT: Clock output pin

Functional Features

• Wide input voltage range allows for versatile applications
• High efficiency ensures minimal power loss
• Low quiescent current reduces standby power consumption
• Soft-start and tracking features for smooth startup and operation
• Overcurrent protection ensures safe operation
• Synchronization capability for multi-phase operation

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for compatibility with various power sources
• High efficiency results in reduced power dissipation and longer battery life
• Small package size saves board space in compact designs
• Soft-start feature prevents excessive inrush current during startup
• Overcurrent protection enhances system reliability

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Single output voltage limits flexibility in certain designs requiring multiple voltages

Working Principles

The MAX16903RATB33/V+T is a voltage regulator IC that converts an input voltage within the range of 4.5V to 60V to a regulated 3.3V output voltage. It utilizes a boost converter topology to achieve high efficiency. The device incorporates various protection features such as undervoltage lockout and overcurrent protection to ensure safe operation.

Detailed Application Field Plans

The MAX16903RATB33/V+T is commonly used in applications where a stable 3.3V power supply is required. Some typical application fields include:

1. Automotive electronics: Provides regulated power for various automotive systems such as infotainment, lighting, and sensors.
2. Industrial automation: Suitable for powering control systems, motor drives, and communication modules in industrial equipment.
3. Consumer electronics: Used in portable devices, home appliances, and audio/video equipment that require a reliable 3.3V power source.
4. Internet of Things (IoT): Enables efficient power management in IoT devices, including smart home devices, wearables, and wireless sensors.

Detailed and Complete Alternative Models

• MAX16903RATB33/V+T: 3.3V output voltage, 1A maximum output current
• MAX16903RATB50/V+T: 5V output voltage, 1A maximum output current
• MAX16903RATB12/V+T: 12V output voltage, 1A maximum output current
• MAX16903RATB15/V+T: 15V output voltage, 1A maximum output current

These alternative models offer different output voltage options while maintaining the same maximum output current and package type.

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