ADP2138ACBZ-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-23-6

Essence: The ADP2138ACBZ-1.5-R7 is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The ADP2138ACBZ-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 3.3V
• Output Current: Up to 600mA
• Dropout Voltage: 200mV at 600mA
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ADP2138ACBZ-1.5-R7 has the following pin configuration:

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

Functional Features

1. High Efficiency: The ADP2138ACBZ-1.5-R7 utilizes advanced circuitry to achieve high efficiency, minimizing power loss during voltage regulation.

2. Low Dropout Voltage: With a dropout voltage of only 200mV at 600mA, the ADP2138ACBZ-1.5-R7 can maintain a stable output voltage even when the input voltage is close to the desired output voltage.

3. Adjustable Output Voltage: The output voltage of the ADP2138ACBZ-1.5-R7 can be adjusted within the range of 1.2V to 3.3V, providing flexibility for different applications.

4. Overcurrent and Thermal Protection: The IC incorporates overcurrent and thermal protection mechanisms to safeguard against excessive current or temperature, ensuring reliable operation.

Advantages

• Small package size allows for space-efficient integration into various electronic devices.
• High efficiency reduces power consumption and extends battery life.
• Adjustable output voltage provides versatility for different application requirements.
• Overcurrent and thermal protection enhance the reliability and longevity of the device.

Disadvantages

• Limited output current capacity (up to 600mA) may not be suitable for high-power applications.
• Not suitable for applications requiring output voltages outside the range of 1.2V to 3.3V.

Working Principles

The ADP2138ACBZ-1.5-R7 operates as a linear voltage regulator. It takes an input voltage from the VIN pin and regulates it to a stable output voltage at the VOUT pin. The feedback (FB) pin is used to set the desired output voltage, which can be adjusted using external resistors. The enable (EN) pin controls the on/off state of the regulator.

When the input voltage exceeds the desired output voltage, the internal circuitry adjusts the pass transistor to reduce the voltage difference, minimizing power loss. In case of overcurrent or excessive temperature, the protection mechanisms activate to prevent damage to the IC.

Detailed Application Field Plans

The ADP2138ACBZ-1.5-R7 is commonly used in various electronic devices that require a stable and adjustable voltage supply. Some potential application fields include:

1. Mobile Devices: Smartphones, tablets, and portable media players benefit from the ADP2138ACBZ-1.5-R7's small size, high efficiency, and adjustable output voltage.

2. IoT Devices: Internet of Things (IoT) devices often operate on low power and require a stable voltage source. The ADP2138ACBZ-1.5-R7 can provide the necessary voltage regulation for sensors, wireless modules, and microcontrollers.

3. Wearable Electronics: Fitness trackers, smartwatches, and other wearable devices can benefit from the compact size and low power consumption of the ADP2138ACBZ-1.5-R7.

Detailed and Complete Alternative Models

1. ADP2114ACPZ-1.5-R7: Similar to the ADP2138ACBZ-1.5-R7, this IC offers a fixed output voltage of 1.5V and a maximum output current of 600mA.

2. **ADP220