S-1137B28-U5T1G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Low dropout voltage
  • High output voltage accuracy
  • Low quiescent current
  • Thermal shutdown protection
• 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 to 6.0V
• Output Voltage Range: 1.2V to 5.0V
• Dropout Voltage: 200mV (typical)
• Output Current: 150mA (maximum)
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137B28-U5T1G IC has the following pin configuration:

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

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
• High output voltage accuracy provides precise voltage regulation for sensitive electronic components.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Thermal shutdown protection prevents damage due to excessive temperature.

Advantages

• Compact SOT-23-5 package allows for space-saving integration in various applications.
• Wide input voltage range enables compatibility with different power sources.
• Excellent line and load regulation characteristics ensure stable output voltage under varying conditions.
• Low quiescent current extends battery life in portable devices.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• No adjustable output voltage option available.
• NC pin limits flexibility for certain circuit designs.

Working Principles

The S-1137B28-U5T1G is a linear voltage regulator that utilizes a pass transistor to regulate the input voltage and provide a stable output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly. The dropout voltage is minimized by using a low resistance pass element, allowing efficient regulation even with small input-output voltage differentials.

Detailed Application Field Plans

The S-1137B28-U5T1G is commonly used in various electronic devices and systems that require stable and regulated power supply. Some of its application fields include: - Battery-powered devices (e.g., smartphones, tablets, portable media players) - Wireless communication systems - Industrial control systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

• S-1137B25-U5T1G: Similar specifications but with a lower output current of 100mA.
• S-1137B30-U5T1G: Similar specifications but with a higher output current of 200mA.
• S-1137B28-I6T1G: Similar specifications but in a different package (SOT-23-6).

Note: This is not an exhaustive list, and there may be other alternative models available from the manufacturer.

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