RT9025-18ZSP

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Thermal shutdown protection - Short circuit current limit - Fast transient response

Package: SOT-23-5

Essence: The RT9025-18ZSP is a voltage regulator IC that provides a fixed output voltage of 1.8V.

Packaging/Quantity: The RT9025-18ZSP is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.8V
• Output Current: Up to 300mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 50μA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9025-18ZSP has the following pin configuration:

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

Functional Features

• Low dropout voltage ensures stable output even when input voltage is close to the output voltage.
• High output current capability allows for powering various components in electronic circuits.
• Thermal shutdown protection prevents the IC from overheating.
• Short circuit current limit protects the IC and connected components from excessive current.
• Fast transient response enables quick adjustment to changes in load conditions.

Advantages and Disadvantages

Advantages: - Small package size allows for space-saving designs. - Wide input voltage range provides flexibility in different applications. - Low quiescent current minimizes power consumption. - Excellent line and load regulation ensures stable output voltage.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Dropout voltage may affect efficiency in low input voltage scenarios.

Working Principles

The RT9025-18ZSP is a linear voltage regulator that uses a PNP pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage from the output, adjusting the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The RT9025-18ZSP is commonly used in various electronic devices and circuits, including but not limited to: - Battery-powered devices - Portable audio players - Mobile phones - Digital cameras - Wireless communication systems

Detailed and Complete Alternative Models

Some alternative models to the RT9025-18ZSP include: - LM1117-1.8 - MCP1700-1802E/TO - TS9011SCX-1.8

These models offer similar functionality and specifications, providing options for different design requirements.

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