S-1137D29-U5T1G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low dropout, high accuracy, low quiescent current
• 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
• Quiescent Current: 30µA
• Load Regulation: ±0.5%
• Line Regulation: ±0.3%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137D29-U5T1G 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 small input-output voltage differentials.
• High accuracy provides a stable output voltage, suitable for sensitive electronic components.
• Low quiescent current minimizes power consumption during standby or idle mode.

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Excellent load and line regulation ensure a consistent output voltage under different operating conditions.
• Small package size (SOT-23-5) enables space-saving designs in compact electronic devices.

Disadvantages

• Limited output current capability may not be suitable for high-power applications.
• The absence of thermal protection may pose a risk of overheating in certain operating conditions.

Working Principles

The S-1137D29-U5T1G is a linear voltage regulator that utilizes a pass transistor to regulate the input voltage. When the input voltage exceeds the desired output voltage, the pass transistor adjusts its resistance to maintain a stable output voltage. The enable pin allows for control of the regulator's operation.

Detailed Application Field Plans

The S-1137D29-U5T1G is commonly used in various electronic devices, including: - Battery-powered portable devices - Mobile phones and smartphones - Digital cameras - Portable audio players - Wireless communication modules

Detailed and Complete Alternative Models

1. S-1137D29-M5T1G: Similar specifications and pin configuration, but with a different package (SOT-23-5).
2. S-1137D29-U3T1G: Lower dropout voltage and quiescent current, suitable for ultra-low power applications.
3. S-1137D29-U6T1G: Higher output voltage range, ideal for specific voltage requirements.

(Note: This list is not exhaustive and other alternative models may exist.)

In conclusion, the S-1137D29-U5T1G is a voltage regulator IC with low dropout, high accuracy, and low quiescent current. It is widely used in battery-powered portable devices and offers excellent load and line regulation. While it has limitations in terms of output current capability and thermal protection, it provides reliable voltage regulation in various electronic applications.