S-1315A37-A6T2U3

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Voltage Regulator
• Package: SOT-23-5
• Essence: Voltage Regulator IC
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 160mV (typical) at 100mA load current
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1315A37-A6T2U3 IC has a total of 5 pins: 1. VIN: Input voltage pin 2. GND: Ground pin 3. CE: Chip enable pin 4. VOUT: Output voltage pin 5. NC: No connection pin

Functional Features

• Low dropout voltage: The S-1315A37-A6T2U3 has a low dropout voltage, ensuring efficient power management even with low input voltages.
• Low quiescent current: With a typical quiescent current of only 30µA, this IC minimizes power consumption during standby or idle modes.
• Overcurrent protection: The device incorporates overcurrent protection, safeguarding the circuit from excessive current flow and potential damage.
• Thermal shutdown protection: In case of excessive temperature, the IC automatically shuts down to prevent overheating and maintain system integrity.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures stable output even with low input voltages. - Low quiescent current minimizes power consumption during idle periods. - Overcurrent and thermal shutdown protection enhance system reliability.

Disadvantages: - Limited maximum output current of 150mA may not be suitable for high-power applications. - The SOT-23-5 package may require additional space on the PCB compared to smaller packages.

Working Principles

The S-1315A37-A6T2U3 is a voltage regulator IC that regulates the input voltage to a desired output voltage level. It utilizes a feedback mechanism to continuously monitor the output voltage and adjust the internal circuitry to maintain a stable output. The dropout voltage refers to the minimum voltage difference required between the input and output for the IC to operate correctly.

Detailed Application Field Plans

The S-1315A37-A6T2U3 is commonly used in various battery-powered devices, such as portable electronics, IoT devices, and wearable technology. Its low dropout voltage and low quiescent current make it suitable for applications where power efficiency is crucial. Some specific application areas include:

1. Mobile phones and smartphones
2. Portable media players
3. Wireless sensors and monitoring devices
4. Medical devices
5. Handheld gaming consoles

Detailed and Complete Alternative Models

1. S-1315A33-A6T2U3: Similar to S-1315A37-A6T2U3 but with a lower dropout voltage of 100mV (typical) at 100mA load current.
2. S-1315A50-A6T2U3: Higher maximum output current of 300mA, suitable for more power-demanding applications.
3. S-1315B37-A6T2U3: Offers adjustable output voltage range, allowing flexibility in different applications.

These alternative models provide options based on specific requirements and can be considered as alternatives to the S-1315A37-A6T2U3.

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