MAX6855UK39D2+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics:
  • High efficiency voltage regulator
  • Low dropout voltage
  • Small package size
  • Wide input voltage range
• Package: SOT23-5
• Essence: Voltage Regulator IC
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 3.9V
• Output Current: 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6855UK39D2+T has a total of five pins:

1. GND: Ground pin
2. IN: Input voltage pin
3. EN: Enable pin
4. BYP: Bypass capacitor pin
5. OUT: Output voltage pin

Functional Features

• High efficiency voltage regulation for low power applications
• Low dropout voltage ensures stable output even with varying input voltages
• Enable pin allows for easy on/off control of the device
• Bypass capacitor pin improves stability and reduces noise in the output voltage

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption - Small package size saves board space - Wide input voltage range allows for flexibility in power supply options

Disadvantages: - Limited output current may not be suitable for high-power applications - Dropout voltage may affect performance in low input voltage scenarios

Working Principles

The MAX6855UK39D2+T is a voltage regulator IC that takes an input voltage within the range of 2.7V to 5.5V and provides a regulated output voltage of 3.9V. It achieves this by utilizing internal circuitry to maintain a stable output voltage, even when the input voltage varies.

The device operates by comparing the output voltage to a reference voltage and adjusting the internal circuitry accordingly. This ensures that the output voltage remains constant, regardless of changes in the input voltage or load conditions.

Detailed Application Field Plans

The MAX6855UK39D2+T is commonly used in various low-power applications where a stable and efficient voltage supply 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, such as portable electronics and IoT devices.
2. Wearable devices: The small package size and low quiescent current make it ideal for use in wearable technology, where space and power efficiency are crucial.
3. Sensor modules: The voltage regulator can be used to provide a stable power source for sensor modules in applications like environmental monitoring or industrial automation.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and package size.
2. MCP1700-3302E/TO: Another alternative with comparable characteristics and pin configuration.
3. LP2985-33DBVR: An alternative option offering a slightly higher output current capability.

(Note: These alternative models are provided as examples and may not be an exhaustive list. It is recommended to consult the manufacturer's datasheets for a complete list of alternatives.)

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