BD9B304QWZ-E2

Product Overview

Category

BD9B304QWZ-E2 belongs to the category of power management integrated circuits (PMICs).

Use

It is primarily used for voltage regulation and power management in electronic devices.

Characteristics

• High efficiency
• Low power consumption
• Compact size
• Wide input voltage range
• Overcurrent protection
• Thermal shutdown protection

Package

BD9B304QWZ-E2 comes in a small outline package (SOP) with a specified pin configuration.

Essence

The essence of BD9B304QWZ-E2 lies in its ability to efficiently regulate and manage power supply in various electronic applications.

Packaging/Quantity

BD9B304QWZ-E2 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 3A
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 95%
• Quiescent Current: 50µA

Detailed Pin Configuration

1. VIN: Input voltage
2. GND: Ground
3. EN: Enable pin
4. FB: Feedback pin
5. SS: Soft-start pin
6. PG: Power good indicator
7. VOUT: Output voltage
8. SW: Switching node

Functional Features

• Wide input voltage range allows compatibility with various power sources.
• High efficiency ensures minimal power loss during voltage conversion.
• Overcurrent protection safeguards against excessive current flow.
• Thermal shutdown protection prevents overheating and damage.
• Soft-start feature enables gradual ramp-up of output voltage.
• Power good indicator provides a signal when the output voltage is within the specified range.

Advantages and Disadvantages

Advantages

• High efficiency leads to energy savings.
• Compact size allows for space-efficient integration into electronic devices.
• Wide input voltage range enhances versatility.
• Overcurrent and thermal protection ensure device safety.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Operating temperature range may restrict usage in extreme environments.

Working Principles

BD9B304QWZ-E2 operates based on a switching regulator topology. It utilizes a control circuit to regulate the output voltage by adjusting the duty cycle of the internal power switch. This enables efficient conversion of the input voltage to the desired output voltage.

Detailed Application Field Plans

BD9B304QWZ-E2 finds application in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable gaming consoles - IoT devices - Industrial automation equipment

Detailed and Complete Alternative Models

1. BD9B301EFJ-E2: Similar specifications with a lower maximum output current of 1.5A.
2. BD9B302EFJ-E2: Similar specifications with a lower maximum output current of 2A.
3. BD9B303EFJ-E2: Similar specifications with a lower maximum output current of 2.5A.
4. BD9B305EFJ-E2: Similar specifications with a higher maximum output current of 5A.

These alternative models provide options with varying output current capabilities to suit different application requirements.

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