BD9B400MUV-E2

Product Overview

Category

BD9B400MUV-E2 belongs to the category of power management integrated circuits (PMICs).

Use

It is primarily used for power management in electronic devices.

Characteristics

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

Package

BD9B400MUV-E2 comes in a small outline package (SOP) with a specified pin configuration.

Essence

The essence of BD9B400MUV-E2 lies in its ability to efficiently manage power in electronic devices, ensuring stable and reliable operation.

Packaging/Quantity

BD9B400MUV-E2 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V - 18V
• Output Voltage Range: 0.8V - 5.5V
• Maximum Output Current: 4A
• Switching Frequency: 1MHz
• Operating Temperature Range: -40°C to +85°C

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: Switch node

Functional Features

• High-efficiency step-down DC-DC converter
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection
• Soft-start function for smooth power-up
• Power good indicator for system monitoring

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Compact size allows for space-saving designs
• Wide input voltage range enables compatibility with various power sources
• Overcurrent and thermal shutdown protection enhance system reliability

Disadvantages

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

Working Principles

BD9B400MUV-E2 operates as a step-down DC-DC converter, converting the input voltage to a lower, regulated output voltage. It utilizes a switching regulator topology to achieve high efficiency. The enable pin allows for control of the device's operation, while the feedback pin provides voltage regulation. The soft-start function ensures a gradual increase in output voltage during startup, preventing excessive inrush current. The power good indicator signals the system when the output voltage is within the specified range.

Detailed Application Field Plans

BD9B400MUV-E2 finds application in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable gaming consoles - Digital cameras - Portable audio players

Detailed and Complete Alternative Models

1. BD9B300MUV-E2: Similar specifications, lower maximum output current (3A)
2. BD9B500MUV-E2: Similar specifications, higher maximum output current (5A)
3. BD9B600MUV-E2: Similar specifications, higher maximum output current (6A)

These alternative models provide options based on specific power requirements and can be considered as alternatives to BD9B400MUV-E2.

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