S-1137C18-U5T1G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Low dropout voltage
  • High output voltage accuracy
  • Low quiescent current
  • Overcurrent protection
• Package: SOT-23-5
• Essence: Linear voltage regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV (typical)
• Output Current: 150mA (maximum)
• Quiescent Current: 30µA (typical)
• Line Regulation: ±0.3% (typical)
• Load Regulation: ±0.5% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137C18-U5T1G IC has a total of five pins arranged in the following configuration:

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Pin Configuration: 1. VIN: Input voltage pin 2. GND: Ground pin 3. NC: No connection pin 4. VOUT: Output voltage pin 5. EN: Enable pin

Functional Features

• Low dropout voltage ensures stable operation even with low input voltages.
• High output voltage accuracy provides precise voltage regulation.
• Low quiescent current minimizes power consumption during standby mode.
• Overcurrent protection safeguards the IC and connected components from excessive current.

Advantages

• Wide input voltage range allows for versatile applications.
• Small package size (SOT-23-5) enables space-saving designs.
• Excellent line and load regulation ensure stable output voltage under varying conditions.

Disadvantages

• Limited output current (150mA maximum) may not be suitable for high-power applications.
• The IC requires an external enable signal to activate the voltage regulator.

Working Principles

The S-1137C18-U5T1G is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage from the output, adjusting the pass transistor's resistance to maintain a constant output voltage. The dropout voltage is minimized by utilizing a low-resistance pass transistor.

Detailed Application Field Plans

The S-1137C18-U5T1G is commonly used in various battery-powered devices, such as: - Portable audio players - Mobile phones - Digital cameras - Handheld gaming consoles

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the S-1137C18-U5T1G include: - S-1133B18-U5T1G - S-1139C18-U5T1G - S-1140C18-U5T1G - S-1172C18-U5T1G

These alternative models have comparable specifications and pin configurations, making them suitable replacements for the S-1137C18-U5T1G in various applications.

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