Maxim Integrated
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MAX6855UK22D4+T
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MAX6855UK22D4+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, low power consumption
  • Package: 22-Pin TDFN
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to 3.3V
  • Maximum Output Current: 1A
  • Quiescent Current: 30µA
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6855UK22D4+T has a total of 22 pins. The pin configuration is as follows:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. VOUT: Output voltage pin
  6. COMP: Compensation pin
  7. SS/TR: Soft-start/Tracking pin
  8. PGND: Power ground pin
  9. AGND: Analog ground pin
  10. BST: Bootstrap pin
  11. LX: Switching node pin 12-22. NC: No connection pins

Functional Features

  • High efficiency voltage regulation
  • Low dropout voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start and tracking capability
  • Adjustable output voltage
  • Stable operation under varying load conditions

Advantages and Disadvantages

Advantages

  • High efficiency results in reduced power consumption
  • Wide input voltage range allows for versatile applications
  • Compact package size enables space-saving designs
  • Overcurrent and thermal protection ensure device safety
  • Soft-start and tracking features enhance system performance

Disadvantages

  • Limited maximum output current of 1A
  • Operating temperature range may not be suitable for extreme environments

Working Principles

The MAX6855UK22D4+T is a voltage regulator IC that converts an input voltage within the range of 2.7V to 5.5V into a regulated output voltage between 0.6V and 3.3V. It utilizes a switching regulator topology to achieve high efficiency and low dropout voltage. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the internal switch to maintain a stable output. The compensation pin (COMP) allows for fine-tuning of the control loop to optimize stability and transient response.

Detailed Application Field Plans

The MAX6855UK22D4+T finds applications in various fields, including:

  1. Portable electronic devices: Provides efficient power management for smartphones, tablets, and wearable devices.
  2. Industrial equipment: Suitable for powering sensors, actuators, and control systems in industrial automation.
  3. Automotive electronics: Enables efficient power supply for infotainment systems, lighting modules, and advanced driver assistance systems (ADAS).
  4. IoT devices: Supports low-power operation in smart home devices, environmental sensors, and wireless communication modules.

Detailed and Complete Alternative Models

  1. MAX6855UK22D3+T: Similar to MAX6855UK22D4+T but with a different package (DFN)
  2. MAX6855UK23D4+T: Higher maximum output current of 2A
  3. MAX6855UK22D5+T: Extended operating temperature range (-40°C to +125°C)
  4. MAX6855UK22D6+T: Lower quiescent current of 10µA

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

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX6855UK22D4+T v technických řešeních

  1. Question: What is the MAX6855UK22D4+T?
    Answer: The MAX6855UK22D4+T is a specific model of voltage regulator IC (integrated circuit) manufactured by Maxim Integrated. It is designed for use in technical solutions that require precise voltage regulation.

  2. Question: What is the input voltage range of the MAX6855UK22D4+T?
    Answer: The input voltage range of the MAX6855UK22D4+T is typically between 2.7V and 5.5V.

  3. Question: What is the output voltage range of the MAX6855UK22D4+T?
    Answer: The output voltage range of the MAX6855UK22D4+T can be adjusted from 0.8V to 3.6V, making it versatile for various applications.

  4. Question: What is the maximum output current of the MAX6855UK22D4+T?
    Answer: The MAX6855UK22D4+T can provide a maximum output current of up to 2A, which makes it suitable for powering a wide range of devices.

  5. Question: Does the MAX6855UK22D4+T have built-in protection features?
    Answer: Yes, the MAX6855UK22D4+T includes several built-in protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.

  6. Question: Can the MAX6855UK22D4+T operate in a wide temperature range?
    Answer: Yes, the MAX6855UK22D4+T is designed to operate reliably in a temperature range from -40°C to +85°C.

  7. Question: Is the MAX6855UK22D4+T compatible with both analog and digital systems?
    Answer: Yes, the MAX6855UK22D4+T is compatible with both analog and digital systems, making it suitable for a wide range of applications.

  8. Question: Does the MAX6855UK22D4+T require any external components for operation?
    Answer: Yes, the MAX6855UK22D4+T requires a few external components such as input and output capacitors to ensure stable operation.

  9. Question: Can the MAX6855UK22D4+T be used in battery-powered applications?
    Answer: Yes, the low quiescent current and wide input voltage range of the MAX6855UK22D4+T make it suitable for battery-powered applications.

  10. Question: Is the MAX6855UK22D4+T available in different package options?
    Answer: Yes, the MAX6855UK22D4+T is available in a 12-pin TDFN (Thin Dual Flat No-Lead) package, which offers compact size and efficient heat dissipation.