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MAX6847KARD3+T
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MAX6847KARD3+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Power Consumption
  • Package: DFN (Dual Flat No-Lead)
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 1.2V to 3.6V
  • Maximum Output Current: 500mA
  • Quiescent Current: 30µA
  • Dropout Voltage: 150mV at 100mA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6847KARD3+T has a total of 6 pins:

  1. VIN: Input voltage pin.
  2. GND: Ground pin.
  3. EN: Enable pin for turning the regulator on/off.
  4. FB: Feedback pin for setting the output voltage.
  5. VOUT: Output voltage pin.
  6. PG: Power Good pin indicating the output voltage is within regulation.

Functional Features

  • High efficiency power conversion.
  • Low power consumption in standby mode.
  • Overcurrent and thermal protection.
  • Power Good indicator for system monitoring.
  • Adjustable output voltage through feedback pin.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power dissipation. - Wide input voltage range allows for versatile applications. - Small package size saves board space. - Power Good indicator enhances system reliability.

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

Working Principles

The MAX6847KARD3+T is a voltage regulator IC that converts an input voltage within the range of 2.7V to 5.5V to a regulated output voltage between 1.2V and 3.6V. It operates by utilizing a control loop that adjusts the duty cycle of an internal switching transistor to maintain the desired output voltage. The feedback pin (FB) allows the user to set the desired output voltage, while the enable pin (EN) controls the on/off state of the regulator.

Detailed Application Field Plans

The MAX6847KARD3+T finds applications in various fields, including but not limited to:

  1. Portable Electronics: Power management for battery-powered devices such as smartphones, tablets, and portable media players.
  2. IoT Devices: Voltage regulation for sensors, microcontrollers, and wireless communication modules in Internet of Things (IoT) applications.
  3. Industrial Control Systems: Power supply for control boards, motor drivers, and other industrial automation equipment.
  4. Automotive Electronics: Voltage regulation for automotive infotainment systems, lighting modules, and other vehicle electronics.
  5. Medical Devices: Power management for medical instruments, patient monitoring systems, and implantable devices.

Detailed and Complete Alternative Models

  1. LM1117-3.3: A popular linear voltage regulator with a fixed 3.3V output voltage.
  2. LT1763: Low dropout voltage regulator with adjustable output voltage and high output current capability.
  3. TPS62130: Step-down DC-DC converter with high efficiency and wide input voltage range.
  4. ADP2303: Synchronous step-down regulator with integrated power switches and adjustable output voltage.
  5. NCP1529: Ultra-low quiescent current LDO regulator suitable for battery-powered applications.

(Note: These alternative models are provided for reference and may have different specifications and features compared to the MAX6847KARD3+T.)

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技術ソリューションにおける MAX6847KARD3+T の適用に関連する 10 件の一般的な質問と回答をリストします。

1. What is MAX6847KARD3+T?

MAX6847KARD3+T is a specific model of voltage monitor and reset IC (Integrated Circuit) manufactured by Maxim Integrated. It is designed to monitor the power supply voltage in various technical solutions.

2. What is the purpose of using MAX6847KARD3+T in technical solutions?

The purpose of using MAX6847KARD3+T is to ensure stable and reliable operation of electronic systems by monitoring the power supply voltage and generating a reset signal when the voltage falls below a certain threshold.

3. How does MAX6847KARD3+T work?

MAX6847KARD3+T continuously monitors the input voltage and compares it with a reference voltage. If the input voltage drops below the reference voltage, it generates a reset signal that can be used to reset the microcontroller or other components in the system.

4. What are the key features of MAX6847KARD3+T?

Some key features of MAX6847KARD3+T include adjustable reset threshold voltage, manual reset input, watchdog timer, low quiescent current, and wide operating voltage range.

5. What is the operating voltage range of MAX6847KARD3+T?

MAX6847KARD3+T has an operating voltage range from 1.6V to 6.0V, making it suitable for a wide range of applications.

6. Can MAX6847KARD3+T be used in battery-powered applications?

Yes, MAX6847KARD3+T can be used in battery-powered applications as it has a low quiescent current, which helps in conserving battery power.

7. Is MAX6847KARD3+T compatible with different microcontrollers?

Yes, MAX6847KARD3+T is compatible with various microcontrollers and other digital logic devices as it provides a reset signal that can be connected to the reset pin of these devices.

8. Can MAX6847KARD3+T be used in automotive applications?

Yes, MAX6847KARD3+T is suitable for automotive applications as it meets the AEC-Q100 standard, which ensures its reliability and performance in harsh automotive environments.

9. Are there any application notes or reference designs available for MAX6847KARD3+T?

Yes, Maxim Integrated provides application notes and reference designs for MAX6847KARD3+T, which can help in understanding its usage and implementation in different technical solutions.

10. Where can I purchase MAX6847KARD3+T?

MAX6847KARD3+T can be purchased from authorized distributors of Maxim Integrated or through their official website.