ADP2139ACBZ-1.5-R7

Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent and thermal protection - Small package size

Package: SOT-23-5

Essence: The ADP2139ACBZ-1.5-R7 is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The ADP2139ACBZ-1.5-R7 is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.3V to 5.5V
• Output Voltage Range: 1.2V to 3.6V
• Dropout Voltage: 200mV at 150mA load current
• Quiescent Current: 45µA
• Maximum Output Current: 500mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ADP2139ACBZ-1.5-R7 has the following pin configuration:

```

---

| | --| VIN GND |-- Pin 1: Ground --| VOUT EN |-- Pin 2: Enable --| FB NC |-- Pin 3: Not Connected --| NC NC |-- Pin 4: Not Connected --| VIN VOUT|-- Pin 5: Output Voltage |___________| ```

Functional Features

• High Efficiency: The ADP2139ACBZ-1.5-R7 offers high efficiency, minimizing power loss during voltage regulation.
• Adjustable Output Voltage: The output voltage can be adjusted within the specified range to meet the requirements of different applications.
• Overcurrent and Thermal Protection: The IC incorporates overcurrent and thermal protection mechanisms to prevent damage to the device and connected components.
• Small Package Size: The SOT-23-5 package ensures a compact form factor, making it suitable for space-constrained applications.

Advantages

• High efficiency results in reduced power consumption.
• Adjustable output voltage allows flexibility in design.
• Overcurrent and thermal protection enhance reliability and safety.
• Small package size enables integration in compact devices.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Not suitable for wide input voltage range applications.

Working Principles

The ADP2139ACBZ-1.5-R7 is a linear voltage regulator that uses a feedback mechanism to maintain a stable output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to regulate the output within the desired range. The IC operates by controlling the flow of current between the input and output pins, ensuring a consistent voltage despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The ADP2139ACBZ-1.5-R7 is commonly used in various electronic devices, including:

1. Mobile phones
2. Portable media players
3. Digital cameras
4. Wireless communication modules
5. Battery-powered devices

Alternative Models

Some alternative models that can be considered as replacements for the ADP2139ACBZ-1.5-R7 include:

1. LM1117-3.3
2. LT1763-3.3
3. TPS73633DBVR
4. MCP1700T-3302E/TT

These models offer similar functionality and characteristics, providing options for different design requirements.

In conclusion, the ADP2139ACBZ-1.5-R7 is a voltage regulator IC that offers high efficiency, adjustable output voltage, and protection mechanisms. It is commonly used in various electronic devices and can be replaced by alternative models with similar features.