ADP7158ACPZ-3.3-R7

Overview

Product Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High accuracy output voltage - Low quiescent current - Thermal shutdown protection - Current limit protection

Package: LFCSP (Lead Frame Chip Scale Package)

Essence: The ADP7158ACPZ-3.3-R7 is a voltage regulator IC that provides a stable output voltage with low dropout and high accuracy.

Packaging/Quantity: The ADP7158ACPZ-3.3-R7 is available in a LFCSP package and is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 3.3V
• Dropout Voltage: 200mV at 100mA load
• Quiescent Current: 40µA
• Line Regulation: ±0.02%/V
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The ADP7158ACPZ-3.3-R7 has the following pin configuration:

```

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| | --| VIN VOUT |-- --| GND EN |-- |___________| ```

• VIN: Input voltage pin
• VOUT: Output voltage pin
• GND: Ground pin
• EN: Enable pin

Functional Features

1. Low Dropout Voltage: The ADP7158ACPZ-3.3-R7 has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.

2. High Accuracy Output Voltage: The IC provides a highly accurate output voltage of 3.3V, ensuring stable and reliable performance.

3. Low Quiescent Current: With a quiescent current of only 40µA, the ADP7158ACPZ-3.3-R7 minimizes power consumption when in standby or low-load conditions.

4. Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive temperature by shutting down the regulator temporarily.

5. Current Limit Protection: The ADP7158ACPZ-3.3-R7 includes current limit protection, safeguarding against excessive current flow and protecting the device and connected components.

Advantages

• Stable and accurate output voltage regulation
• Low dropout voltage for efficient operation
• Low quiescent current for reduced power consumption
• Thermal shutdown and current limit protection for enhanced reliability

Disadvantages

• Limited input voltage range (2.5V to 5.5V)
• Relatively small package size may require careful handling during assembly

Working Principles

The ADP7158ACPZ-3.3-R7 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the output voltage 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.

Detailed Application Field Plans

The ADP7158ACPZ-3.3-R7 can be used in various applications where a stable and accurate 3.3V voltage supply is required. Some potential application fields include:

1. Battery-powered devices: The low dropout voltage and low quiescent current make it suitable for portable electronics powered by batteries.

2. Embedded systems: The IC can be used in microcontroller-based systems, providing a regulated voltage for reliable operation.

3. Communication equipment: The ADP7158ACPZ-3.3-R7 can be utilized in communication devices, ensuring a stable voltage supply for consistent performance.

4. Industrial automation: The voltage regulator can be employed in industrial control systems, providing a regulated voltage to sensitive components.

Detailed and Complete Alternative Models

1. ADP7159ACPZ-2.5-R7: Similar to the ADP7158ACPZ-3.3-R7, but with an output voltage of 2.5V.
2. ADP7159ACPZ-5.0-R7: Similar to the ADP7158ACPZ-3.3-R7, but with an output voltage of 5.0V.
3. ADP7160ACPZ-3.3-R7: A higher current version of the ADP7158ACPZ-3.3-R7, capable of delivering up to 500mA of output current.

These alternative models offer similar functionality with slight variations in output voltage or current capabilities.

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