S-1135A18-U5T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current, Ultra-Low Quiescent Current
• Package: SOT-23-5
• Essence: Regulates voltage with minimal power loss
• Packaging/Quantity: Tape and Reel / 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.8V
• Maximum Output Current: 1.5A
• Dropout Voltage: 200mV at 1.5A
• Quiescent Current: 1μA (typical)

Detailed Pin Configuration

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

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• High output current capability allows for powering a wide range of devices.
• Ultra-low quiescent current minimizes power consumption during standby or idle mode.
• Enable pin provides control over the regulator's operation.

Advantages

• Excellent voltage regulation performance.
• Compact SOT-23-5 package enables space-saving designs.
• Wide input voltage range accommodates various power sources.
• Low quiescent current prolongs battery life in portable applications.

Disadvantages

• Limited output voltage options (only 1.8V).
• Dropout voltage may be relatively high compared to other regulators.
• Not suitable for applications requiring higher output currents.

Working Principles

The S-1135A18-U5T1U is a linear voltage regulator that maintains a stable output voltage despite fluctuations in the input voltage. It achieves this by utilizing a pass transistor that adjusts its resistance to regulate the output voltage. The enable pin allows for control over the regulator's operation, enabling power-saving modes when necessary.

Detailed Application Field Plans

The S-1135A18-U5T1U is commonly used in battery-powered devices, such as portable electronics, IoT devices, and wireless sensors. Its low dropout voltage and ultra-low quiescent current make it ideal for applications where power efficiency is crucial. Additionally, its compact package size makes it suitable for space-constrained designs.

Detailed and Complete Alternative Models

1. S-1135B18-U5T1U: Similar specifications but with an output voltage of 1.8V.
2. S-1135C18-U5T1U: Higher output current capability (up to 3A) with an output voltage of 1.8V.
3. S-1135D18-U5T1U: Lower dropout voltage (100mV at 1.5A) with an output voltage of 1.8V.

Please note that these alternative models may have different pin configurations and package sizes.

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