ADP2139ACBZ-1.8-R7

Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Input Voltage Range: 2.3V to 5.5V - Output Voltage: 1.8V - Maximum Output Current: 600mA - Dropout Voltage: 200mV at 300mA - Low Quiescent Current: 30µA - Low Shutdown Current: 0.1µA - Package Type: SOT-23 - Essence: Low Dropout Linear Regulator

Packaging/Quantity: The ADP2139ACBZ-1.8-R7 is available in a SOT-23 package and is typically sold in reels of 3000 units.

Specifications

The ADP2139ACBZ-1.8-R7 is a low dropout linear regulator designed for use in various applications that require a stable and regulated output voltage. It operates with an input voltage range of 2.3V to 5.5V and provides a fixed output voltage of 1.8V. The maximum output current is 600mA, making it suitable for powering small to medium-sized electronic devices.

Pin Configuration

The ADP2139ACBZ-1.8-R7 has the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. VOUT: Output Voltage

Functional Features

• Low dropout voltage ensures efficient power conversion.
• Low quiescent current minimizes power consumption during standby or idle mode.
• Shutdown mode reduces power consumption to an extremely low level.
• Overcurrent and thermal protection safeguards the device and connected components.
• Fast transient response enables quick stabilization of the output voltage.

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Small package size (SOT-23) enables space-saving integration into compact designs.
• Low dropout voltage ensures efficient power conversion even with low input voltages.
• Low quiescent and shutdown currents minimize power consumption in battery-powered devices.
• Overcurrent and thermal protection enhance the reliability and longevity of the device.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Fixed output voltage restricts flexibility in certain scenarios where adjustable voltage is required.
• SOT-23 package may have limitations in terms of heat dissipation.

Working Principles

The ADP2139ACBZ-1.8-R7 operates as a linear regulator, utilizing a pass transistor to regulate the output voltage. It compares the feedback voltage from the output with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized by using a low resistance pass element.

Application Field Plans

The ADP2139ACBZ-1.8-R7 can be used in a wide range of applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Wearable devices - Industrial control systems - Automotive electronics

Alternative Models

Some alternative models that offer similar functionality to the ADP2139ACBZ-1.8-R7 include: - LM1117-1.8 - MCP1700-1.8 - TPS78218

These alternatives provide different package options, output voltage ranges, and additional features to suit specific application requirements.

In conclusion, the ADP2139ACBZ-1.8-R7 is a low dropout linear regulator IC designed for stable voltage regulation in various electronic devices. Its small package size, low power consumption, and reliable performance make it a suitable choice for many applications.