MAX16903SAUE50/V+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current, Wide Input Voltage Range
• Package: 16-TSSOP
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel (2500 units per reel)

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 1.2V to 57V
• Output Current: Up to 500mA
• Quiescent Current: 17µA (typical)
• Switching Frequency: 100kHz to 2.2MHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX16903SAUE50/V+ has a 16-pin TSSOP package with the following pin configuration:

1. VIN: Input Voltage
2. EN: Enable Pin
3. FB: Feedback Pin
4. GND: Ground
5. SW: Switch Node
6. PGND: Power Ground
7. BST: Bootstrap Capacitor Connection
8. LX: Inductor Connection
9. VOUT: Output Voltage
10. SS/TRK: Soft-Start/Tracking Pin
11. COMP: Compensation Pin
12. AGND: Analog Ground
13. UVLO: Undervoltage Lockout
14. OVLO: Overvoltage Lockout
15. SYNC: Synchronization Pin
16. RT: External Resistor for Setting Switching Frequency

Functional Features

• High Efficiency Voltage Regulation
• Wide Input Voltage Range for Versatile Applications
• Low Quiescent Current for Power Saving
• Adjustable Output Voltage
• Overvoltage and Undervoltage Lockout Protection
• Synchronization Capability for Multiple ICs

Advantages

• High efficiency ensures minimal power loss
• Wide input voltage range allows compatibility with various power sources
• Low quiescent current prolongs battery life
• Adjustable output voltage provides flexibility in system design
• Overvoltage and undervoltage lockout protection safeguards connected devices
• Synchronization capability enables parallel operation of multiple ICs

Disadvantages

• Limited output current (up to 500mA)
• Requires external resistor for setting switching frequency

Working Principles

The MAX16903SAUE50/V+ is a voltage regulator IC that converts an input voltage within the range of 4.5V to 60V into a regulated output voltage between 1.2V and 57V. It achieves high efficiency by utilizing a switching regulator topology. The IC operates by rapidly switching an internal power transistor on and off, controlling the energy flow to maintain the desired output voltage. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the internal switch accordingly. The IC also incorporates various protection features such as overvoltage and undervoltage lockout to ensure safe operation.

Detailed Application Field Plans

The MAX16903SAUE50/V+ is suitable for a wide range of applications, including but not limited to: - Automotive Electronics - Industrial Control Systems - Telecommunications Equipment - Power Supplies - Battery-Powered Devices

Detailed and Complete Alternative Models

• MAX16903SATE50/V+: 16-TDFN package, same specifications as MAX16903SAUE50/V+
• MAX16903SAUE40/V+: 16-TSSOP package, lower input voltage range (4.5V to 36V)
• MAX16903SAUE33/V+: 16-TSSOP package, lower input voltage range (4.5V to 28V)
• MAX16903SAUE25/V+: 16-TSSOP package, lower input voltage range (4.5V to 20V)

Note: The above alternative models have similar functionality but may differ in package type and input voltage range.

In conclusion, the MAX16903SAUE50/V+ is a versatile voltage regulator IC with high efficiency, low quiescent current, and a wide input voltage range. It offers various protection features and is suitable for a broad range of applications. Alternative models are available to cater to specific requirements.