S-1137B18-U5T1U

Basic Information Overview

• Category: Electronic Component
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, compact size
• Package: SOT-23-5
• Essence: Regulates input voltage to a stable output voltage
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage Range: 1.2V - 5.5V
• Dropout Voltage: 200mV (typical)
• Maximum Output Current: 150mA
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137B18-U5T1U has a total of five pins arranged in the following configuration:

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

Functional Features

• Low dropout voltage ensures efficient power conversion even with small input-output voltage differentials.
• High efficiency minimizes power dissipation and extends battery life.
• Enable pin allows for easy on/off control of the regulator.
• Compact size makes it suitable for space-constrained applications.

Advantages

• Stable output voltage regulation across a wide range of input voltages.
• Low quiescent current consumption prolongs battery life.
• Small form factor enables integration into compact electronic devices.
• Easy integration due to simple pin configuration.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Narrow input voltage range may restrict compatibility with certain systems.

Working Principles

The S-1137B18-U5T1U is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusting the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The S-1137B18-U5T1U is commonly used in various electronic devices, including: 1. Portable consumer electronics (e.g., smartphones, tablets) 2. Wearable devices (e.g., smartwatches, fitness trackers) 3. IoT devices (e.g., sensors, smart home devices) 4. Industrial equipment (e.g., control systems, measurement devices)

Detailed and Complete Alternative Models

1. S-1137B25-U5T1U: Similar specifications but with a higher maximum output current of 250mA.
2. S-1137B12-U5T1U: Similar specifications but with a lower dropout voltage of 120mV.
3. S-1137B33-U5T1U: Similar specifications but with a higher output voltage range of 3.3V - 5.5V.

These alternative models provide flexibility in choosing a voltage regulator based on specific application requirements.

In conclusion, the S-1137B18-U5T1U is a compact and efficient voltage regulator suitable for a wide range of electronic devices. Its low dropout voltage, high efficiency, and simple pin configuration make it an ideal choice for power management applications.