S-1137A16-U5T1G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Low dropout voltage
  • High output voltage accuracy
  • Low quiescent current
  • Overcurrent protection
  • Thermal shutdown protection
• Package: SOT-23-5
• Essence: This IC is designed to regulate and stabilize the output voltage in various electronic devices.
• Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV (typical) at 100mA load current
• Output Voltage Accuracy: ±2% (typical)
• Quiescent Current: 30μA (typical)
• Maximum Output Current: 100mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137A16-U5T1G IC has a total of five pins arranged as follows:

```

---

| | --| Vout GND|-- Pin 1: Ground (GND) --| Vin NC |-- Pin 2: No Connection (NC) --| EN Vout|-- Pin 3: Output Voltage (Vout) --| FB Vin |-- Pin 4: Input Voltage (Vin) --| GND EN |-- Pin 5: Enable (EN) |___________| ```

Functional Features

• Low dropout voltage ensures stable operation even when the input voltage is close to the desired output voltage.
• High output voltage accuracy provides precise regulation for sensitive electronic components.
• Low quiescent current minimizes power consumption in standby or idle modes.
• Overcurrent protection safeguards the IC and connected devices from excessive current flow.
• Thermal shutdown protection prevents overheating and potential damage to the IC.

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Compact SOT-23-5 package enables space-saving integration into small electronic devices.
• Excellent output voltage accuracy ensures reliable performance of connected components.
• Low quiescent current extends battery life in portable applications.
• Overcurrent and thermal shutdown protections enhance system safety and reliability.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• The SOT-23-5 package may require specialized soldering techniques for assembly.

Working Principles

The S-1137A16-U5T1G is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It compares the feedback voltage (FB) with a reference voltage to adjust the pass transistor's resistance, maintaining a stable output voltage regardless of input voltage variations. The enable pin (EN) controls the regulator's operation, allowing it to be turned on or off as needed.

Detailed Application Field Plans

The S-1137A16-U5T1G is suitable for a wide range of applications, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Medical equipment - Communication devices

Detailed and Complete Alternative Models

• S-1137A16-I6T1G: Similar specifications and features, but with an inverted enable pin logic.
• S-1137B16-U5T1G: Higher maximum output current of 200mA, suitable for more demanding applications.
• S-1137C16-U5T1G: Lower dropout voltage of 100mV, ideal for applications with tight voltage margins.

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

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