BD9775FV-E2

Product Overview

Category: Integrated Circuit (IC)
Use: Power Management IC
Characteristics: High efficiency, compact size, low power consumption
Package: SOP-8
Essence: Voltage Regulator
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Input Voltage Range: 4.5V to 18V
Output Voltage Range: 0.8V to 6.0V
Output Current: Up to 1.5A
Quiescent Current: 50µA (typical)
Switching Frequency: 500kHz (typical)
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The BD9775FV-E2 has a SOP-8 package with the following pin configuration:

VIN: Input voltage
GND: Ground
FB: Feedback pin for output voltage regulation
EN: Enable pin for turning the regulator on/off
SS: Soft-start capacitor connection
VOUT: Regulated output voltage
PGND: Power ground
SW: Switching node for the internal MOSFET

Functional Features

High efficiency power conversion
Overcurrent protection
Thermal shutdown protection
Under-voltage lockout
Soft-start function for smooth startup
Adjustable output voltage through external resistors

Advantages and Disadvantages

Advantages: - Compact size allows for space-saving designs - High efficiency reduces power consumption - Wide input voltage range enables versatile applications - Comprehensive protection features ensure system reliability

Disadvantages: - Limited output current compared to higher-power regulators - Requires external components for precise voltage regulation

Working Principles

The BD9775FV-E2 is a voltage regulator IC that converts an input voltage to a regulated output voltage. It utilizes a switching regulator topology to achieve high efficiency power conversion. The internal MOSFET acts as a switch, rapidly turning on and off to control the output voltage. Feedback from the FB pin is used to adjust the duty cycle of the switching signal, maintaining the desired output voltage.

Detailed Application Field Plans

The BD9775FV-E2 is commonly used in various applications, including but not limited to: - Power supplies for consumer electronics - Battery-powered devices - Industrial equipment - Automotive systems - LED lighting

Detailed and Complete Alternative Models

BD9775FV: Similar specifications and features, SOP-8 package
BD9776FV: Higher output current (up to 3A), SOP-8 package
BD9777FV: Lower quiescent current (30µA typical), SOP-8 package
BD9778FV: Adjustable output voltage via I2C interface, SOP-8 package

These alternative models offer different capabilities and can be chosen based on specific application requirements.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van BD9775FV-E2 in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of BD9775FV-E2 in technical solutions:

Q: What is BD9775FV-E2? A: BD9775FV-E2 is a voltage regulator IC (integrated circuit) commonly used in various technical solutions.
Q: What is the input voltage range supported by BD9775FV-E2? A: BD9775FV-E2 supports an input voltage range of 4.5V to 18V.
Q: What is the output voltage range provided by BD9775FV-E2? A: BD9775FV-E2 provides an adjustable output voltage range from 0.8V to 6.0V.
Q: What is the maximum output current that BD9775FV-E2 can handle? A: BD9775FV-E2 can handle a maximum output current of 3A.
Q: Is BD9775FV-E2 suitable for battery-powered applications? A: Yes, BD9775FV-E2 is suitable for battery-powered applications as it has low quiescent current and supports low-power operation.
Q: Does BD9775FV-E2 have built-in protection features? A: Yes, BD9775FV-E2 includes built-in protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.
Q: Can BD9775FV-E2 be used in automotive applications? A: Yes, BD9775FV-E2 is designed to meet the requirements of automotive applications and is AEC-Q100 qualified.
Q: What is the operating temperature range of BD9775FV-E2? A: BD9775FV-E2 has an operating temperature range of -40°C to +105°C.
Q: Does BD9775FV-E2 require any external components for operation? A: Yes, BD9775FV-E2 requires a few external components such as input/output capacitors and resistors for voltage setting.
Q: Is there any evaluation board or reference design available for BD9775FV-E2? A: Yes, ROHM Semiconductor provides an evaluation board and reference design for BD9775FV-E2, which can help in the development process.

Please note that these answers are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.