S-1133B21-U5T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low dropout voltage, high output current capability, compact size
• Package: SOT-23-5
• Essence: Regulates input voltage to a stable output voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage Range: 1.2V - 5.5V
• Dropout Voltage: 200mV @ 100mA
• Output Current: 500mA
• Quiescent Current: 50µA
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1133B21-U5T1U has a total of five pins arranged as follows: 1. VIN: Input voltage pin 2. GND: Ground pin 3. EN: Enable pin 4. VOUT: Output voltage pin 5. NC: No connection pin

Functional Features

• Low dropout voltage ensures efficient power conversion even with low input voltages.
• High output current capability allows for powering various electronic components.
• Compact size makes it suitable for space-constrained applications.
• Enable pin provides control over the regulator's operation.

Advantages

• Stable output voltage regulation ensures reliable performance of connected devices.
• Low quiescent current minimizes power consumption in standby mode.
• Wide operating temperature range enables usage in extreme environments.
• Excellent line and load regulation guarantees consistent output voltage under varying conditions.

Disadvantages

• Limited output current may not be sufficient for high-power applications.
• The SOT-23-5 package may require additional thermal management for dissipating heat.

Working Principles

The S-1133B21-U5T1U is a linear voltage regulator that utilizes a pass transistor to regulate the input voltage. It operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized by employing a low resistance pass element.

Detailed Application Field Plans

The S-1133B21-U5T1U is commonly used in various applications, including: - Battery-powered devices - Portable electronics - IoT devices - Wearable devices - Consumer electronics

Detailed and Complete Alternative Models

1. S-1133B21-I6T1U: Similar specifications but with an adjustable output voltage.
2. S-1133B21-U5T2U: Higher output current capability of 1A.
3. S-1133B21-U5T3U: Lower quiescent current of 25µA.

These alternative models provide flexibility and cater to different requirements within the same product family.

In conclusion, the S-1133B21-U5T1U is a compact and efficient voltage regulator IC suitable for a wide range of applications. Its low dropout voltage, high output current capability, and stable performance make it a reliable choice for powering electronic devices. However, its limited output current and potential thermal considerations should be taken into account when selecting this regulator for specific applications.