SI5855CDC-T1-E3

Product Overview

• Category: Integrated Circuit
• Use: Power Management
• Characteristics: High efficiency, low power consumption
• Package: DFN-10
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage: 2.7V to 5.5V
• Output Voltage: Adjustable from 0.8V to 5V
• Output Current: Up to 1.5A
• Switching Frequency: 2.4MHz
• Operating Temperature: -40°C to 125°C

Detailed Pin Configuration

• Pin 1: VIN
• Pin 2: GND
• Pin 3: EN
• Pin 4: FB
• Pin 5: SS/TR
• Pin 6: AGND
• Pin 7: PGND
• Pin 8: SW
• Pin 9: BST
• Pin 10: VOUT

Functional Features

• Integrated high-side and low-side power MOSFETs
• Programmable soft-start
• Overcurrent protection
• Thermal shutdown
• Power good indicator

Advantages

• High efficiency
• Wide input voltage range
• Small package size
• Low quiescent current

Disadvantages

• Limited output current compared to some alternatives
• Sensitive to layout and external component selection

Working Principles

The SI5855CDC-T1-E3 is a synchronous buck regulator that efficiently converts input voltage to a lower output voltage. It utilizes pulse-width modulation (PWM) to control the power switches and regulate the output voltage.

Detailed Application Field Plans

This voltage regulator is suitable for various applications including portable devices, consumer electronics, industrial equipment, and automotive systems. Its small size and high efficiency make it ideal for battery-powered applications.

Detailed and Complete Alternative Models

• LM2675
• LT1763
• TPS54360

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