S-1335D12-A4T2U3

Overview

Product Category: Integrated Circuits (ICs)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Small package size - Low quiescent current

Package: SOT-23-5

Essence: The S-1335D12-A4T2U3 is a voltage regulator IC designed to provide a stable output voltage for various electronic devices.

Packaging/Quantity: The S-1335D12-A4T2U3 is typically sold in reels of 3000 units.

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage: 1.2V
• Output Current: 150mA
• Dropout Voltage: 160mV @ 100mA
• Quiescent Current: 30µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The S-1335D12-A4T2U3 has the following pin configuration:

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

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High efficiency helps conserve battery life in portable devices.
• Built-in overcurrent protection safeguards the circuit from damage.
• Thermal shutdown feature prevents overheating.
• Enable pin allows for easy on/off control.

Advantages and Disadvantages

Advantages: - High efficiency results in minimal power loss. - Small package size saves board space. - Low quiescent current prolongs battery life. - Overcurrent protection enhances circuit reliability.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Input voltage range is relatively narrow.

Working Principles

The S-1335D12-A4T2U3 operates as a linear voltage regulator. It regulates the input voltage to a stable 1.2V output voltage by using an internal reference voltage and feedback control mechanism. The dropout voltage is minimized, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The S-1335D12-A4T2U3 is commonly used in various battery-powered electronic devices, such as:

1. Mobile phones
2. Tablets
3. Portable media players
4. Wearable devices
5. Digital cameras

Its small package size, low quiescent current, and high efficiency make it ideal for applications where space and power consumption are critical.

Detailed and Complete Alternative Models

1. S-1335D12-A4T2U5: Same specifications but with a different package (SOT-89-5).
2. S-1335D12-A4T2U6: Same specifications but with a different package (SOT-323-5).
3. S-1335D12-A4T2U7: Same specifications but with a different package (DFN2020-6).

These alternative models provide flexibility in terms of package options while maintaining the same electrical characteristics.

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