S-1335F32-A4T2U3

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • High efficiency
  • Low power consumption
  • Compact size
• Package: SOT-23-5
• Essence: Step-down voltage regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 1.2V
• Output Current: 300mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1335F32-A4T2U3 has a total of five pins arranged as follows:

```

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| | --| VOUT | --| GND | --| VIN | --| EN | --| FB | |___________| ```

• VOUT: Output voltage pin
• GND: Ground pin
• VIN: Input voltage pin
• EN: Enable pin (active high)
• FB: Feedback pin

Functional Features

• Step-down voltage regulation
• Built-in overcurrent protection
• Thermal shutdown protection
• Soft-start function for smooth power-up
• Low quiescent current in standby mode
• Stable output voltage under varying load conditions

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Compact size allows for space-saving designs - Overcurrent and thermal protection ensure device safety - Soft-start function prevents voltage spikes during startup

Disadvantages: - Limited output current capability (300mA) - Input voltage range is restricted to 2.5V to 6.0V

Working Principles

The S-1335F32-A4T2U3 is a step-down voltage regulator that converts a higher input voltage into a lower output voltage. It utilizes a switching regulator topology to achieve high efficiency and low power consumption. The device continuously monitors the output voltage through the feedback pin (FB) and adjusts the duty cycle of the internal switch to maintain a stable output voltage. The enable pin (EN) controls the operation of the regulator, allowing for easy on/off control.

Detailed Application Field Plans

The S-1335F32-A4T2U3 is commonly used in various portable electronic devices, such as smartphones, tablets, and wearable devices. Its compact size and low power consumption make it ideal for battery-powered applications. The voltage regulator ensures a stable power supply to sensitive components, preventing damage from voltage fluctuations. Additionally, its overcurrent and thermal protection features enhance the safety and reliability of the devices.

Detailed and Complete Alternative Models

1. S-1313Bxx-M5T1G: Step-down voltage regulator with adjustable output voltage.
2. S-1701x: Low dropout voltage regulator with higher output current capability.
3. S-19244x: Step-up voltage regulator for boosting low input voltages.

These alternative models offer different features and specifications, providing flexibility for various application requirements.

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