BD34705KS2

Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency voltage regulator - Low power consumption - Wide input voltage range - Stable output voltage - Overcurrent protection - Thermal shutdown protection

Package: SOP-8

Essence: BD34705KS2 is a power management IC designed for various applications that require stable and efficient voltage regulation.

Packaging/Quantity: The BD34705KS2 is typically packaged in reels of 2500 units.

Specifications and Parameters

• Input Voltage Range: 4.5V to 24V
• Output Voltage Range: 1.2V to 18V
• Maximum Output Current: 1A
• Quiescent Current: 50μA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The BD34705KS2 features the following pin configuration:

```

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| | --| VIN VOUT |-- Pin 1: VIN (Input Voltage) --| GND NC |-- Pin 2: GND (Ground) --| EN FB |-- Pin 3: EN (Enable) --| PG NC |-- Pin 4: PG (Power Good) --| SS NC |-- Pin 5: SS (Soft Start) --| NC NC |-- Pin 6: Not Connected --| NC NC |-- Pin 7: Not Connected --| GND VOUT |-- Pin 8: VOUT (Output Voltage) |___________| ```

Functional Characteristics

• High Efficiency: The BD34705KS2 utilizes advanced circuitry to achieve high efficiency voltage regulation, minimizing power loss.
• Low Power Consumption: With a quiescent current of only 50μA, the BD34705KS2 ensures minimal power consumption during standby or low load conditions.
• Wide Input Voltage Range: The IC can accept input voltages ranging from 4.5V to 24V, making it suitable for a wide range of applications.
• Stable Output Voltage: The BD34705KS2 provides a stable output voltage within the specified range, ensuring reliable operation of connected devices.
• Overcurrent Protection: The IC incorporates overcurrent protection to safeguard against excessive current flow, preventing damage to the circuit and connected components.
• Thermal Shutdown Protection: In case of excessive temperature rise, the BD34705KS2 automatically shuts down to prevent overheating and potential damage.

Advantages and Disadvantages

Advantages: - High efficiency voltage regulation - Wide input voltage range - Overcurrent and thermal protection - Low power consumption

Disadvantages: - Limited maximum output current (1A)

Applicable Range of Products

The BD34705KS2 is suitable for various electronic devices and systems that require stable and efficient voltage regulation, such as: - Portable electronic devices - Industrial control systems - Automotive electronics - Power supplies - Battery-powered devices

Working Principles

The BD34705KS2 operates by regulating the input voltage to provide a stable output voltage. It utilizes internal control circuitry to monitor the input and output voltages, adjusting the output voltage as necessary to maintain the desired level. The IC also incorporates protection mechanisms to ensure safe operation under different conditions.

Detailed Application Field Plans

The BD34705KS2 can be applied in the following fields:

1. Portable Electronics: Use the IC to regulate the voltage for smartphones, tablets, portable gaming devices, etc., ensuring stable and efficient power supply.
2. Industrial Control Systems: Employ the BD34705KS2 in control systems to regulate voltage for sensors, actuators, and other components, ensuring reliable operation.
3. Automotive Electronics: Utilize the IC in automotive applications to regulate voltage for various electronic systems, such as infotainment systems, lighting, and motor control.
4. Power Supplies: Incorporate the BD34705KS2 in power supply designs to provide stable output voltage for a wide range of devices and equipment.
5. Battery-Powered Devices: Use the IC to regulate voltage in battery-powered devices, extending battery life and ensuring consistent performance.

Detailed Alternative Models

1. BD34706KS2: Similar to BD34705KS2 but with higher maximum output current (2A).
2. BD34704KS2: Similar to BD34705KS2 but with lower maximum output current (500mA).
3. BD34707KS2: Similar to BD34705KS2 but with additional features like adjustable output voltage and remote sensing capability.

5 Common Technical Questions and Answers

1. Q: What is the maximum input voltage that the BD34705KS2 can handle? -