MAX6855UK35D5+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: SOT-23-5
• Essence: Voltage Regulator IC
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 3.5V
• Output Current: 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6855UK35D5+T has a total of 5 pins:

1. GND (Ground): Connected to the ground reference of the circuit.
2. IN (Input): Receives the input voltage to be regulated.
3. EN (Enable): Controls the enable/disable state of the regulator.
4. BYP (Bypass): Connects an external capacitor for improved noise performance.
5. OUT (Output): Provides the regulated output voltage.

Functional Features

• High efficiency voltage regulation for low power applications.
• Low dropout voltage allows operation with small input-output differentials.
• Excellent line and load regulation characteristics.
• Thermal shutdown and current limit protection features.
• Low quiescent current extends battery life in portable devices.

Advantages and Disadvantages

Advantages: - High efficiency ensures minimal power loss. - Small package size saves board space. - Wide input voltage range allows flexibility in various applications. - Low dropout voltage enables operation with low input-output differentials.

Disadvantages: - Limited output current may not be suitable for high-power applications. - SOT-23-5 package may require additional thermal management in certain cases.

Working Principles

The MAX6855UK35D5+T is a voltage regulator IC that maintains a stable output voltage regardless of variations in the input voltage or load conditions. It utilizes a feedback mechanism to continuously adjust the internal circuitry and ensure the desired output voltage is maintained.

When the input voltage is within the specified range, the IC regulates the output voltage to a constant 3.5V. The enable pin allows the user to control the on/off state of the regulator, conserving power when not needed. The bypass pin can be connected to an external capacitor to improve noise performance.

Detailed Application Field Plans

The MAX6855UK35D5+T is commonly used in various low-power applications where a stable voltage supply is required. Some typical application fields include:

1. Battery-powered devices: Portable electronics, wearables, and IoT devices benefit from the low quiescent current and wide input voltage range.
2. Sensor modules: The regulator ensures a stable voltage supply to sensors, improving accuracy and reliability.
3. Communication systems: Wireless communication modules, such as Bluetooth or Wi-Fi, can utilize the regulator for efficient power management.
4. Automotive electronics: The wide operating temperature range makes it suitable for automotive applications, including infotainment systems and lighting controls.

Detailed and Complete Alternative Models

1. MAX6856UK35D5+T: Similar to MAX6855UK35D5+T but with a different output voltage of 3.6V.
2. MAX6857UK35D5+T: Voltage regulator IC with an output voltage of 3.3V, suitable for applications requiring a lower output voltage.
3. MAX6858UK35D5+T: Higher output current variant of the MAX6855UK35D5+T, capable of delivering up to 300mA.

These alternative models offer similar functionality and characteristics, allowing users to choose the most suitable option based on their specific requirements.

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