SMSZ4688ST1G

Product Overview

Category: Semiconductor
Use: Voltage regulator
Characteristics: Low dropout, high accuracy
Package: SOT-223
Essence: Regulating voltage in electronic circuits
Packaging/Quantity: Tape & Reel, 3000 units

Specifications

Input Voltage Range: 2.5V to 18V
Output Voltage Range: 1.25V to 16V
Dropout Voltage: 340mV at 1A
Accuracy: ±2%
Quiescent Current: 75µA
Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

VIN (Input Voltage)
GND (Ground)
VOUT (Output Voltage)

Functional Features

Low dropout voltage
High accuracy over line and load variations
Thermal shutdown protection
Short-circuit current limit
Reverse battery protection

Advantages

Wide input voltage range
Low dropout voltage
Excellent line and load regulation
Small package size
Thermal shutdown protection

Disadvantages

Limited output current capability
Higher quiescent current compared to some alternatives

Working Principles

The SMSZ4688ST1G is a low dropout voltage regulator that maintains a stable output voltage even when the input voltage is close to the output voltage. It achieves this by using a PNP pass transistor to regulate the output voltage.

Detailed Application Field Plans

The SMSZ4688ST1G is suitable for various applications requiring a stable voltage supply, such as: - Battery-powered devices - Portable electronics - Automotive systems - Industrial control systems

Detailed and Complete Alternative Models

LM1117
LT1763
ADP3338

This completes the entry for SMSZ4688ST1G, providing comprehensive information about its product details, specifications, features, advantages, disadvantages, working principles, application field plans, and alternative models.

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SMSZ4688ST1G у технічних рішеннях

What is SMSZ4688ST1G?
- SMSZ4688ST1G is a surface mount silicon zener diode designed for voltage regulation and transient overvoltage protection in various electronic circuits.
What are the key features of SMSZ4688ST1G?
- The key features include a voltage range of 3.3V to 200V, low leakage current, high surge capability, and compatibility with automated placement equipment.
In what applications can SMSZ4688ST1G be used?
- SMSZ4688ST1G is commonly used in power supplies, automotive electronics, industrial control systems, and consumer electronics for voltage regulation and transient protection.
What is the maximum power dissipation of SMSZ4688ST1G?
- The maximum power dissipation is 1.5W at 25°C ambient temperature.
What is the operating temperature range of SMSZ4688ST1G?
- The operating temperature range is -65°C to 150°C, making it suitable for a wide range of environmental conditions.
How does SMSZ4688ST1G provide overvoltage protection?
- SMSZ4688ST1G conducts when the voltage across it exceeds the specified zener voltage, diverting excess current and protecting downstream components.
Can SMSZ4688ST1G be used for ESD protection?
- Yes, SMSZ4688ST1G can provide electrostatic discharge (ESD) protection by clamping transient voltages to safe levels.
Is SMSZ4688ST1G RoHS compliant?
- Yes, SMSZ4688ST1G is compliant with the Restriction of Hazardous Substances (RoHS) directive.
What is the package type of SMSZ4688ST1G?
- SMSZ4688ST1G is available in a SOD-123FL package, which is a small outline, plastic-encapsulated package.
Where can I find detailed technical specifications for SMSZ4688ST1G?
- Detailed technical specifications, application notes, and other resources for SMSZ4688ST1G can be found on the manufacturer's website or in the product datasheet.