BD4911FM-E2

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• 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 16V
• Output Current: Up to 1A
• Quiescent Current: 50µA (typical)
• Switching Frequency: 500kHz (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The BD4911FM-E2 IC has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin for turning the IC on/off
5. SS: Soft-start pin for controlling the startup time
6. SW: Switching node pin for connecting the inductor
7. PGND: Power ground pin
8. VOUT: Output voltage pin

Functional Features

• Wide input voltage range allows for versatile applications
• High efficiency ensures minimal power loss
• Compact size enables space-saving designs
• Low quiescent current reduces standby power consumption
• Built-in protection features such as overcurrent and thermal shutdown

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range - Compact size - Low power consumption - Built-in protection features

Disadvantages: - Limited output current capacity (up to 1A)

Working Principles

The BD4911FM-E2 is a voltage regulator IC that converts an input voltage within the range of 4.5V to 18V into a regulated output voltage between 0.8V and 16V. It utilizes a switching regulator topology to achieve high efficiency power conversion. The IC incorporates various control mechanisms to maintain stable output voltage under different load conditions. It also includes protection features to safeguard against overcurrent and thermal issues.

Detailed Application Field Plans

The BD4911FM-E2 is commonly used in various applications, including but not limited to:

1. Power supplies for consumer electronics
2. Battery-powered devices
3. Industrial automation systems
4. Automotive electronics
5. LED lighting systems

Detailed and Complete Alternative Models

• BD4911FM-E2: SOP-8 package, 1A output current
• BD4912FM-E2: SOP-8 package, 2A output current
• BD4913FM-E2: SOP-8 package, 3A output current
• BD4914FM-E2: SOP-8 package, 4A output current

These alternative models offer higher output current capacity while maintaining similar characteristics and pin configuration as the BD4911FM-E2.

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