BU9795AKV-E2

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOP-8

Essence: The BU9795AKV-E2 is a voltage regulator IC designed to provide stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The BU9795AKV-E2 is typically sold in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage Range: 1.2V - 5.0V
• Dropout Voltage: 200mV @ 100mA
• Quiescent Current: 50μA
• Output Current: 150mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The BU9795AKV-E2 has the following pin configuration:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VIN | Input Voltage | | 2 | GND | Ground | | 3 | EN | Enable Control | | 4 | FB | Feedback Voltage | | 5 | VOUT | Output Voltage | | 6 | NC | No Connection | | 7 | NC | No Connection | | 8 | VREF | Reference Voltage |

Functional Features

1. Low Dropout Voltage: The BU9795AKV-E2 exhibits a low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.
2. High Output Voltage Accuracy: This voltage regulator IC provides high output voltage accuracy, ensuring stable and precise voltage regulation for the connected electronic devices.
3. Low Quiescent Current: With a low quiescent current of only 50μA, the BU9795AKV-E2 minimizes power consumption when the load is light or in standby mode.
4. Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected devices from excessive current flow and potential damage.
5. Thermal Shutdown Protection: The BU9795AKV-E2 features thermal shutdown protection, which prevents overheating by shutting down the device when the temperature exceeds a certain threshold.

Advantages and Disadvantages

Advantages: - Efficient voltage regulation - High output voltage accuracy - Low power consumption - Overcurrent and thermal protection

Disadvantages: - Limited output current capacity (150mA)

Working Principles

The BU9795AKV-E2 operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with the reference voltage (VREF). When the output voltage deviates from the desired value, the control circuit adjusts the pass transistor to maintain the output voltage within the specified range.

Detailed Application Field Plans

The BU9795AKV-E2 is widely used in various electronic devices that require stable and regulated power supply, such as: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable Voltage Regulator, TO-220 package, 800mA output current.
2. LT1763-3.3: Fixed 3.3V Voltage Regulator, SOT-23 package, 500mA output current.
3. TPS79633: Fixed 3.3V Voltage Regulator, SOT-223 package, 1A output current.

These alternative models offer similar functionality and can be used as substitutes for the BU9795AKV-E2 in various applications.

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