STSR30D

Product Overview

STSR30D belongs to the category of voltage regulators. It is commonly used to regulate voltage in electronic circuits, providing stable and reliable power supply. The characteristics of STSR30D include its compact size, high efficiency, and low dropout voltage. The package typically consists of a small outline transistor (SOT-23) package, and it is available in various quantities per package.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 3.0V
• Maximum Output Current: 300mA
• Dropout Voltage: 130mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

STSR30D features a standard SOT-23 pin configuration with three pins: 1. Vin (Input Voltage) 2. Vout (Output Voltage) 3. GND (Ground)

Functional Features

• Low Dropout Voltage: Ensures efficient regulation even when the input voltage is only slightly higher than the output voltage.
• Low Quiescent Current: Minimizes power consumption in standby or idle modes.
• Thermal Shutdown Protection: Prevents the device from overheating under excessive load conditions.

Advantages and Disadvantages

Advantages

• Small form factor
• High efficiency
• Wide operating temperature range

Disadvantages

• Limited maximum output current
• Higher dropout voltage compared to some alternative models

Working Principles

STSR30D operates based on the principle of linear voltage regulation. When the input voltage is applied, the internal circuitry compares it to the reference voltage and adjusts the output to maintain a constant voltage level.

Detailed Application Field Plans

STSR30D is commonly used in portable electronic devices, such as smartphones, tablets, and wearable gadgets, where space and power efficiency are crucial. It is also suitable for battery-powered applications and IoT devices that require stable voltage supply.

Detailed and Complete Alternative Models

Some alternative models to STSR30D include: - LM1117: Offers lower dropout voltage but with a larger package size. - MCP1703: Provides higher maximum output current but with a slightly higher quiescent current.

In conclusion, STSR30D is a compact and efficient voltage regulator suitable for various electronic applications, especially those requiring low dropout voltage and minimal power consumption.

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