SI7440DP-T1-E3

Product Overview

• Category: Power Management IC
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, small package size
• Package: DFN-10
• Essence: Regulates voltage for electronic devices
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 0.8V to 3.3V
• Output Current: 1A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

• Pin 1: VIN
• Pin 2: GND
• Pin 3: EN
• Pin 4: BYP
• Pin 5: VOUT
• Pin 6: VOUT
• Pin 7: VOUT
• Pin 8: VOUT
• Pin 9: VOUT
• Pin 10: VOUT

Functional Features

• High Efficiency: Provides efficient voltage regulation, reducing power loss
• Low Dropout Voltage: Ensures stable output even with small input-output differentials
• Small Package Size: Ideal for space-constrained applications

Advantages and Disadvantages

• Advantages:
  • High efficiency
  • Low dropout voltage
  • Small package size
• Disadvantages:
  • Limited output current capacity
  • Restricted input voltage range

Working Principles

The SI7440DP-T1-E3 operates by comparing the reference voltage with the feedback voltage to adjust the output voltage, ensuring a stable supply to the load.

Detailed Application Field Plans

This voltage regulator is suitable for various portable and battery-powered devices, such as smartphones, tablets, and portable media players. It can also be used in IoT devices, wearable electronics, and other low-power applications.

Detailed and Complete Alternative Models

• SI7441DP-T1-E3: Similar specifications with adjustable output voltage
• SI7442DP-T1-E3: Higher output current capacity with slightly larger package size

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