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ADP2119ACPZ-3.3-R7
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ADP2119ACPZ-3.3-R7

Overview

Product Category

The ADP2119ACPZ-3.3-R7 belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices and systems to regulate and control power supply voltages.

Characteristics

  • Voltage Regulator: The ADP2119ACPZ-3.3-R7 is a voltage regulator that ensures a stable output voltage regardless of input voltage fluctuations.
  • High Efficiency: It offers high efficiency conversion, minimizing power losses during voltage regulation.
  • Low Dropout Voltage: The IC has a low dropout voltage, enabling it to maintain a stable output even when the input voltage is close to the desired output voltage.
  • Adjustable Output: The output voltage can be adjusted within a specific range to meet the requirements of different applications.

Package and Quantity

The ADP2119ACPZ-3.3-R7 is available in a small form factor package known as LFCSP (Lead Frame Chip Scale Package). It is typically supplied in reels or trays, with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 1.2V to 3.6V
  • Output Current: Up to 1A
  • Dropout Voltage: 200mV (typical)
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ADP2119ACPZ-3.3-R7 has a total of 10 pins, each serving a specific function. The pin configuration is as follows:

  1. VIN: Input voltage pin
  2. EN: Enable pin for turning the IC on/off
  3. PGND: Power ground pin
  4. SW: Switching node pin for connecting the inductor
  5. FB: Feedback pin for adjusting the output voltage
  6. AGND: Analog ground pin
  7. VOUT: Output voltage pin
  8. SS/TR: Soft-start/Tracking pin for controlling the startup behavior
  9. BST: Boost pin for connecting an external capacitor
  10. PG: Power good pin indicating the output voltage is within the desired range

Functional Features

Voltage Regulation

The ADP2119ACPZ-3.3-R7 provides precise voltage regulation, ensuring a stable output voltage even under varying load conditions.

Current Limiting

It incorporates current limiting functionality to protect the IC and the connected components from excessive current flow.

Thermal Protection

The IC includes thermal protection mechanisms that prevent overheating by reducing power dissipation when the temperature exceeds a certain threshold.

Soft-Start

The soft-start feature allows for a gradual increase in output voltage during startup, preventing sudden voltage spikes that could damage sensitive components.

Advantages and Disadvantages

Advantages

  • High efficiency conversion minimizes power losses.
  • Adjustable output voltage suits various applications.
  • Small form factor package enables space-saving designs.
  • Integrated protection features enhance reliability.

Disadvantages

  • Limited output current capacity compared to higher-power regulators.
  • Requires additional external components for proper operation.

Working Principles

The ADP2119ACPZ-3.3-R7 operates based on a switching regulator topology. It utilizes a combination of internal control circuitry, power MOSFETs, and feedback mechanisms to regulate the input voltage and provide a stable output voltage.

During operation, the IC continuously monitors the output voltage and adjusts the duty cycle of the internal switches to maintain the desired output voltage level. This switching action allows for efficient voltage conversion while minimizing power dissipation.

Application Field Plans

The ADP2119ACPZ-3.3-R7 finds applications in various electronic devices and systems, including but not limited to: - Portable consumer electronics - Battery-powered devices - Industrial automation systems - Automotive electronics - IoT (Internet of Things) devices

Alternative Models

For those seeking alternative options, the following models can be considered: - ADP2118ACPZ-3.3-R7: Similar specifications with a different pin configuration. - ADP2115ACPZ-3.3-R7: Lower output current capacity but compatible with the same package.

These alternatives provide similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, the ADP2119ACPZ-3.3-R7 is a voltage regulator IC designed for power management applications. Its high efficiency, adjustable output voltage, and integrated protection features make it suitable for various electronic devices and systems. While it has limitations in terms of output current capacity, it offers reliable voltage regulation and thermal protection.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av ADP2119ACPZ-3.3-R7 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of ADP2119ACPZ-3.3-R7 in technical solutions:

  1. Q: What is the ADP2119ACPZ-3.3-R7? A: The ADP2119ACPZ-3.3-R7 is a voltage regulator IC (integrated circuit) that provides a fixed output voltage of 3.3V.

  2. Q: What are the typical applications of ADP2119ACPZ-3.3-R7? A: It is commonly used in various electronic devices, such as smartphones, tablets, portable media players, and other battery-powered devices.

  3. Q: What is the input voltage range for ADP2119ACPZ-3.3-R7? A: The input voltage range is typically between 2.7V and 5.5V.

  4. Q: What is the maximum output current of ADP2119ACPZ-3.3-R7? A: The maximum output current is typically 500mA.

  5. Q: Does ADP2119ACPZ-3.3-R7 require any external components? A: Yes, it requires a few external components such as input/output capacitors and resistors for stability and filtering purposes.

  6. Q: Can ADP2119ACPZ-3.3-R7 operate in a wide temperature range? A: Yes, it can operate in a temperature range of -40°C to +85°C.

  7. Q: Is ADP2119ACPZ-3.3-R7 a low dropout regulator (LDO)? A: Yes, it is an LDO regulator, which means it can maintain a stable output voltage even when the input voltage is close to the output voltage.

  8. Q: What is the dropout voltage of ADP2119ACPZ-3.3-R7? A: The typical dropout voltage is around 200mV at a 500mA load.

  9. Q: Can ADP2119ACPZ-3.3-R7 provide short-circuit protection? A: Yes, it has built-in current limit and thermal shutdown features that protect against short circuits and over-temperature conditions.

  10. Q: Is ADP2119ACPZ-3.3-R7 available in other output voltage options? A: Yes, it is available in various output voltage options, such as 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V.

Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements.