SI3404-A-GMR

Product Overview

• Category: Integrated Circuit
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: QFN (Quad Flat No-Lead)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to 3.6V
• Output Current: Up to 4A
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SI3404-A-GMR has the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. VOUT: Output Voltage
6. PG: Power Good Indicator
7. SS: Soft-Start Control
8. BST: Bootstrap Capacitor Connection

Functional Features

• High efficiency power conversion
• Low power consumption in standby mode
• Overcurrent protection
• Thermal shutdown protection
• Adjustable output voltage
• Power good indicator for system monitoring
• Soft-start control for smooth power-up

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power dissipation - Wide input voltage range allows flexibility in power supply selection - Compact package size saves board space - Power good indicator enhances system reliability - Soft-start control prevents inrush current

Disadvantages: - Limited output current compared to some other models - Operating temperature range may not be suitable for extreme environments

Working Principles

The SI3404-A-GMR is a voltage regulator that converts an input voltage within the range of 2.7V to 5.5V to a regulated output voltage between 0.6V and 3.6V. It utilizes a high-efficiency switching topology to minimize power dissipation. The feedback pin (FB) is used to adjust the output voltage, while the enable pin (EN) controls the device's operation. The power good indicator (PG) provides a signal indicating the output voltage is within the desired range.

Detailed Application Field Plans

The SI3404-A-GMR is commonly used in various applications, including:

1. Mobile devices: smartphones, tablets, portable media players
2. IoT devices: smart home devices, wearables, sensors
3. Industrial equipment: automation systems, control panels, power supplies
4. Automotive electronics: infotainment systems, navigation systems, lighting control

Detailed and Complete Alternative Models

1. SI3402-B-GMR: Similar specifications, lower output current capability
2. SI3406-C-GMR: Higher output current capability, wider input voltage range
3. SI3408-D-GMR: Enhanced thermal management, extended operating temperature range

These alternative models provide options based on specific requirements and trade-offs in terms of output current, input voltage range, and temperature range.

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