S-1312A35-A4T1U3

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output voltage accuracy - Low quiescent current - Overcurrent protection - Thermal shutdown protection

Package: SOT-89-5

Essence: The S-1312A35-A4T1U3 is a voltage regulator IC that provides stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The S-1312A35-A4T1U3 is typically sold in reels or tubes, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV (typical) at 100mA load current
• Output Voltage Accuracy: ±2.0% (at 25°C)
• Quiescent Current: 30μA (typical)
• Maximum Output Current: 150mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1312A35-A4T1U3 has the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. VOUT: Output Voltage
4. CE: Chip Enable
5. NC: No Connection

Functional Features

• Low dropout voltage ensures efficient power conversion even with low input voltages.
• High output voltage accuracy provides precise regulation for sensitive electronic components.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Overcurrent protection safeguards the IC and connected devices from excessive current flow.
• Thermal shutdown protection prevents overheating and potential damage to the IC.

Advantages and Disadvantages

Advantages: - Reliable voltage regulation for various electronic devices. - Compact SOT-89-5 package allows for space-saving integration. - Wide input voltage range enables compatibility with different power sources. - Overcurrent and thermal protection enhance device safety and longevity.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Output voltage accuracy may slightly deviate under extreme temperature conditions.

Working Principles

The S-1312A35-A4T1U3 operates as a linear voltage regulator. It regulates the output voltage by adjusting the resistance between the input and output terminals, maintaining a stable voltage regardless of changes in the input voltage or load conditions. The internal circuitry continuously monitors the output voltage and adjusts the resistance accordingly to provide the desired regulated voltage.

Detailed Application Field Plans

The S-1312A35-A4T1U3 is commonly used in various battery-powered portable devices, such as: - Mobile phones - Tablets - Portable media players - Digital cameras - Handheld gaming consoles

Its stable voltage regulation and low power consumption make it ideal for applications where efficient power management is crucial.

Detailed and Complete Alternative Models

1. S-1312B35-A4T1U3: Similar to S-1312A35-A4T1U3, but with an extended operating temperature range (-40°C to +105°C).
2. S-1312C35-A4T1U3: Higher maximum output current (300mA) compared to S-1312A35-A4T1U3.
3. S-1312D35-A4T1U3: Improved output voltage accuracy (±1.0%) compared to S-1312A35-A4T1U3.

These alternative models offer variations in operating conditions and performance characteristics to suit different application requirements.

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