SZMMSZ3V3T1G

Product Overview

Category: Voltage Regulator
Use: Regulating voltage in electronic circuits
Characteristics: Low dropout, low quiescent current, small package size
Package: SOT-23-3
Essence: Monolithic voltage regulator
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 4.2V to 18V
• Output Voltage: 3.3V
• Dropout Voltage: 240mV at 150mA
• Quiescent Current: 5µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN (Input Voltage)
2. GND (Ground)
3. VOUT (Output Voltage)

Functional Features

• Low dropout voltage for extended battery life
• Low quiescent current for power-sensitive applications
• Small package size for space-constrained designs

Advantages and Disadvantages

Advantages: - Efficient voltage regulation - Suitable for battery-powered devices - Compact form factor

Disadvantages: - Limited output current capacity - Higher dropout voltage compared to some alternatives

Working Principles

The SZMMSZ3V3T1G is a monolithic voltage regulator that uses a PNP pass transistor to achieve low dropout voltage. It regulates the input voltage to a stable 3.3V output by comparing it to an internal reference.

Detailed Application Field Plans

1. Battery-Powered Devices: Ideal for portable electronics requiring efficient voltage regulation.
2. IoT Devices: Suited for low-power Internet of Things applications.
3. Wearable Technology: Compact size makes it suitable for wearable gadgets.

Detailed and Complete Alternative Models

1. LM2937-3.3: Lower dropout voltage but larger package size
2. XC6206P332MR: Smaller package size but higher quiescent current
3. AP2112K-3.3: Similar characteristics with slightly lower dropout voltage

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