ADP151ACBZ-1.2-R7
Compact 1.2V low-dropout voltage regulators for 200mA applications
Manufacturer： analog-devices
series introduction
# ADP151ACBZ - 1.2 - R7: A High - Performance Voltage Regulator Product Series
## 1. Overview
The ADP151ACBZ - 1.2 - R7 belongs to a specialized series of low - dropout (LDO) voltage regulators. These regulators are engineered to provide a stable and precise output voltage, making them an essential component in a wide range of electronic devices. The "ADP151" is the core product family identifier, while "ACBZ" indicates a specific package type, "1.2" represents the fixed output voltage of 1.2V, and "R7" might be related to specific manufacturing or performance - related revisions.
## 2. Key Features
### 2.1 Low Dropout Voltage
One of the most significant features of the ADP151ACBZ - 1.2 - R7 is its low dropout voltage. Dropout voltage is the minimum input - to - output voltage differential required for the regulator to maintain a stable output voltage. A low dropout voltage allows the regulator to operate efficiently even when the input voltage is only slightly higher than the output voltage. For example, in battery - powered applications, as the battery voltage gradually decreases over time, the low dropout characteristic ensures that the regulator can still provide a stable 1.2V output until the battery voltage approaches the dropout voltage level. This feature helps to extend the battery life and improve the overall efficiency of the system.
### 2.2 High Output Voltage Accuracy
The series offers high output voltage accuracy. The 1.2V output is regulated with a very low tolerance, typically within a few percentage points. This high accuracy is crucial in applications where precise voltage levels are required for the proper functioning of sensitive components such as microcontrollers, digital signal processors (DSPs), and analog - to - digital converters (ADCs). For instance, in a microcontroller - based system, an inaccurate voltage supply can lead to incorrect data processing, system malfunctions, or even permanent damage to the components.
### 2.3 Low Quiescent Current
Quiescent current is the current consumed by the regulator when there is no load or a very light load connected to the output. The ADP151ACBZ - 1.2 - R7 has a low quiescent current, which is beneficial for battery - powered devices. In standby or idle modes, where the load current is minimal, the low quiescent current helps to reduce power consumption and extend the battery life. This makes the regulator suitable for portable devices such as smartphones, tablets, and wearable devices.
### 2.4 Thermal Protection
The product is equipped with thermal protection circuitry. When the temperature of the regulator exceeds a certain threshold, the thermal protection mechanism kicks in to limit the power dissipation and prevent overheating. This protects the regulator from damage due to excessive heat, ensuring its long - term reliability and stability. In high - power or high - ambient - temperature applications, thermal protection is a critical feature that helps to prevent system failures.
### 2.5 Short - Circuit Protection
Short - circuit protection is another important safety feature of the ADP151ACBZ - 1.2 - R7. In the event of a short - circuit at the output, the regulator automatically limits the output current to a safe level. This protects the regulator and other components in the circuit from damage caused by excessive current flow. Short - circuit protection is essential in real - world applications where accidental short - circuits can occur due to wiring errors, component failures, or external factors.
## 3. Package and Pin Configuration
### 3.1 Package Type
The "ACBZ" package is a surface - mount package that offers several advantages. It is compact in size, which is suitable for modern
Images for reference
4-WLCSP, CB-4-3
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