SI7804DN-T1-E3

Product Overview

• Category: Power Management IC
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, small package size
• Package: DFN-6 (2x2)
• Essence: Regulates input voltage to a stable output voltage
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.8V
• Output Current: 150mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. NC (No Connection)
5. VOUT (Output Voltage)
6. PG (Power Good)

Functional Features

• Low dropout voltage for extended battery life
• Thermal shutdown and current limit protection
• Power good indicator for system monitoring

Advantages and Disadvantages

Advantages

• Small package size for space-constrained applications
• Low quiescent current for power-sensitive devices
• Power good indicator enhances system reliability

Disadvantages

• Limited output current may not be suitable for high-power applications
• Input voltage range may not cover all potential use cases

Working Principles

The SI7804DN-T1-E3 is a voltage regulator that maintains a stable output voltage despite variations in the input voltage. It achieves this by using a feedback loop to adjust the internal pass transistor, ensuring the output voltage remains constant.

Detailed Application Field Plans

The SI7804DN-T1-E3 is well-suited for portable electronic devices such as smartphones, tablets, and wearable gadgets. Its low dropout voltage and small package size make it ideal for battery-powered applications where space and power efficiency are critical.

Detailed and Complete Alternative Models

• SI7805DN-T1-E3: Similar specifications with a 5V output voltage
• SI7803DN-T1-E3: Lower output current but with a lower dropout voltage

In conclusion, the SI7804DN-T1-E3 is a compact and efficient voltage regulator suitable for low-power electronic devices. Its small package size and low quiescent current make it an attractive choice for portable and battery-powered applications.

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