MAX1858AEEG+TGA5

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Power Management
• Characteristics:
  • High efficiency voltage regulator
  • Low dropout voltage
  • Small package size
  • Wide input voltage range
• Package: 16-QSOP
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel (3000 pieces per reel)

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 1.2V to 3.3V
• Output Current: Up to 500mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1858AEEG+TGA5 has a 16-pin QSOP package with the following pin configuration:

1. EN (Enable)
2. GND (Ground)
3. FB (Feedback)
4. VOUT (Output Voltage)
5. VIN (Input Voltage)
6. NC (No Connection)
7. NC (No Connection)
8. NC (No Connection)
9. NC (No Connection)
10. NC (No Connection)
11. NC (No Connection)
12. NC (No Connection)
13. NC (No Connection)
14. NC (No Connection)
15. NC (No Connection)
16. VOUT (Output Voltage)

Functional Features

• High efficiency voltage regulation for various applications
• Low dropout voltage enables operation even with low input voltages
• Thermal shutdown and current limit protection
• Enable pin for easy on/off control
• Stable output voltage with minimal output voltage ripple

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range - Small package size - Low dropout voltage

Disadvantages: - Limited output current (up to 500mA) - No adjustable output voltage option

Working Principles

The MAX1858AEEG+TGA5 is a voltage regulator that takes an input voltage within the range of 2.5V to 5.5V and provides a regulated output voltage between 1.2V and 3.3V. It achieves high efficiency by minimizing the dropout voltage, allowing it to operate even with low input voltages.

The device uses a feedback mechanism to maintain a stable output voltage. The FB pin is connected to a resistive voltage divider network that sets the desired output voltage. The regulator continuously compares the actual output voltage with the reference voltage and adjusts the internal circuitry to maintain the desired output voltage.

Thermal shutdown and current limit protection features ensure safe operation under various conditions. The enable pin allows easy on/off control of the regulator.

Detailed Application Field Plans

The MAX1858AEEG+TGA5 is commonly used in various applications where efficient voltage regulation is required. Some potential application fields include:

1. Battery-powered devices: The low dropout voltage and wide input voltage range make it suitable for battery-powered devices that operate on different battery chemistries and voltages.
2. Portable electronics: The small package size and low quiescent current make it ideal for portable electronic devices such as smartphones, tablets, and wearable devices.
3. Industrial equipment: The stable output voltage and thermal protection features make it suitable for use in industrial equipment that requires reliable power management.

Detailed and Complete Alternative Models

1. MAX1859AEEG+TGA5: Similar to MAX1858AEEG+TGA5 but with adjustable output voltage option.
2. MAX1857AEEG+TGA5: Similar to MAX1858AEEG+TGA5 but with higher output current capability (up to 1A).
3. MAX1856AEEG+TGA5: Similar to MAX1858AEEG+TGA5 but with a smaller package size (10-QSOP).

These alternative models offer similar functionality with slight variations to cater to different requirements.

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