ADP2138ACBZ-3.3-R7

Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Low quiescent current - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Package: CBZ (Ceramic Ball Grid Array)

Essence: The ADP2138ACBZ-3.3-R7 is a high-performance voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The ADP2138ACBZ-3.3-R7 is available in a CBZ package and is typically sold in reels of 2500 units.

Specifications

Input Voltage Range: 2.5V - 5.5V
Output Voltage: 3.3V
Output Current: Up to 800mA
Dropout Voltage: 200mV (typical)
Quiescent Current: 45µA (typical)
Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ADP2138ACBZ-3.3-R7 has the following pin configuration:

VIN (Input Voltage)
GND (Ground)
EN (Enable)
FB (Feedback)
VOUT (Output Voltage)

Functional Features

High Efficiency: The ADP2138ACBZ-3.3-R7 utilizes advanced circuitry to achieve high efficiency, minimizing power loss and maximizing battery life in portable devices.
Low Dropout Voltage: With a low dropout voltage of only 200mV, the ADP2138ACBZ-3.3-R7 can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
Low Quiescent Current: The IC has a low quiescent current of 45µA, reducing power consumption when the device is in standby or idle mode.
Wide Input Voltage Range: The ADP2138ACBZ-3.3-R7 can accept input voltages ranging from 2.5V to 5.5V, making it suitable for a wide range of applications.
Adjustable Output Voltage: The output voltage can be adjusted using an external resistor divider network, allowing flexibility in meeting specific voltage requirements.
Overcurrent and Thermal Protection: The IC incorporates overcurrent and thermal protection mechanisms to safeguard against excessive current and temperature conditions.

Advantages

High efficiency results in longer battery life.
Wide input voltage range allows compatibility with various power sources.
Low dropout voltage ensures stable output even with small input-output differentials.
Low quiescent current reduces power consumption during standby periods.
Overcurrent and thermal protection enhance reliability and prevent damage to the IC and connected devices.

Disadvantages

Limited maximum output current (up to 800mA), which may not be sufficient for high-power applications.
Requires additional external components (resistor divider network) for adjusting the output voltage.

Working Principles

The ADP2138ACBZ-3.3-R7 operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB pin) with a reference voltage. Any difference between the two voltages is amplified and used to control the pass transistor, ensuring a stable output voltage.

Detailed Application Field Plans

The ADP2138ACBZ-3.3-R7 is commonly used in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Wireless communication devices - Battery-powered devices - IoT (Internet of Things) devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the ADP2138ACBZ-3.3-R7 are: - LM1117-3.3 - LT1763-3.3 - TPS73633DBVR - MCP1700-3302E/TO

These models offer similar voltage regulation capabilities and can be used as drop-in replacements in many applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ADP2138ACBZ-3.3-R7 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ADP2138ACBZ-3.3-R7 in technical solutions:

Q: What is the ADP2138ACBZ-3.3-R7? A: The ADP2138ACBZ-3.3-R7 is a voltage regulator IC (integrated circuit) that provides a fixed output voltage of 3.3V.
Q: What is the input voltage range for the ADP2138ACBZ-3.3-R7? A: The input voltage range for the ADP2138ACBZ-3.3-R7 is typically between 2.3V and 5.5V.
Q: What is the maximum output current of the ADP2138ACBZ-3.3-R7? A: The ADP2138ACBZ-3.3-R7 can provide a maximum output current of 800mA.
Q: Can the ADP2138ACBZ-3.3-R7 be used in battery-powered applications? A: Yes, the ADP2138ACBZ-3.3-R7 is suitable for battery-powered applications due to its low dropout voltage and low quiescent current.
Q: Does the ADP2138ACBZ-3.3-R7 require any external components for operation? A: Yes, the ADP2138ACBZ-3.3-R7 requires a few external components such as input and output capacitors for stability and filtering.
Q: What is the typical efficiency of the ADP2138ACBZ-3.3-R7? A: The typical efficiency of the ADP2138ACBZ-3.3-R7 is around 90% under normal operating conditions.
Q: Can the ADP2138ACBZ-3.3-R7 handle input voltage fluctuations? A: Yes, the ADP2138ACBZ-3.3-R7 has built-in protection features to handle input voltage fluctuations and protect against overvoltage and undervoltage conditions.
Q: Is the ADP2138ACBZ-3.3-R7 suitable for noise-sensitive applications? A: Yes, the ADP2138ACBZ-3.3-R7 has excellent output voltage ripple and noise performance, making it suitable for noise-sensitive applications.
Q: Can multiple ADP2138ACBZ-3.3-R7 regulators be used in parallel to increase the output current? A: Yes, multiple ADP2138ACBZ-3.3-R7 regulators can be connected in parallel to increase the total output current capacity.
Q: What are some typical applications of the ADP2138ACBZ-3.3-R7? A: The ADP2138ACBZ-3.3-R7 is commonly used in various applications such as portable devices, IoT (Internet of Things) devices, industrial equipment, and automotive electronics.

Please note that these answers are general and may vary depending on specific design considerations and requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information and application-specific guidance.