S-817A13APF-CUCTFU

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - Low quiescent current - High ripple rejection ratio - Overcurrent protection - Thermal shutdown protection

Package: SOT-89-5

Essence: The S-817A13APF-CUCTFU is a voltage regulator IC designed to provide a stable output voltage for various electronic devices.

Packaging/Quantity: The S-817A13APF-CUCTFU is typically sold in reels or tubes, with 3000 units per reel/tube.

Specifications

• Input Voltage Range: 2.0V - 6.0V
• Output Voltage: 1.3V
• Output Current: 150mA
• Dropout Voltage: 160mV @ 100mA
• Quiescent Current: 20µA
• Ripple Rejection Ratio: 70dB @ 1kHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-817A13APF-CUCTFU has the following pin configuration:

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

Functional Features

• Low dropout voltage ensures efficient power conversion.
• Low quiescent current minimizes power consumption during standby mode.
• High ripple rejection ratio reduces noise interference in the output voltage.
• Overcurrent protection safeguards the IC and connected devices from excessive current.
• Thermal shutdown protection prevents overheating and damage to the IC.

Advantages and Disadvantages

Advantages: - Stable output voltage even under varying input conditions. - Compact SOT-89-5 package for space-constrained applications. - Wide operating temperature range allows usage in extreme environments.

Disadvantages: - Limited output current of 150mA may not be suitable for high-power applications. - Input voltage range restricted to 2.0V - 6.0V, limiting compatibility with certain systems.

Working Principles

The S-817A13APF-CUCTFU operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop across its internal pass transistor. The control enable (CE) pin is used to enable or disable the regulator's operation.

When enabled, the IC compares the reference voltage with the feedback voltage from the output. If the output voltage drops below the desired level, the IC adjusts the pass transistor to increase the output voltage. Conversely, if the output voltage exceeds the desired level, the IC reduces the pass transistor's conduction to lower the output voltage.

Detailed Application Field Plans

The S-817A13APF-CUCTFU is commonly used in various electronic devices that require a stable and regulated power supply. Some typical application fields include:

1. Battery-powered devices: Portable audio players, handheld gaming consoles, and digital cameras benefit from the low dropout voltage and low quiescent current of the S-817A13APF-CUCTFU, extending battery life.

2. IoT devices: Internet of Things (IoT) devices often operate on low voltages and require efficient power management. The S-817A13APF-CUCTFU provides a reliable voltage source for sensors, microcontrollers, and wireless modules.

3. Automotive electronics: With its wide operating temperature range, the S-817A13APF-CUCTFU is suitable for automotive applications such as dashboard displays, infotainment systems, and engine control units.

Detailed and Complete Alternative Models

1. S-817A12APF-CUCTFU: Similar to the S-817A13APF-CUCTFU, but with an output voltage of 1.2V.
2. S-817A15APF-CUCTFU: Similar to the S-817A13APF-CUCTFU, but with an output voltage of 1.5V.
3. S-817A10APF-CUCTFU: Similar to the S-817A13APF-CUCTFU, but with an output voltage of 1.0V.

These alternative models provide different output voltage options while maintaining similar characteristics and package types.

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