S-1137B27-U5T1U

Basic Information Overview

• Category: Electronic Component
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, 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 - 5.0V
• Dropout Voltage: 200mV (typical)
• Maximum Output Current: 100mA
• Quiescent Current: 40µA (typical)

Detailed Pin Configuration

The S-1137B27-U5T1U has a SOT-23-5 package with the following pin configuration:

```

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| | --| Vout| --| GND | --| EN | --| Vin | |____| ```

Functional Features

• Low dropout voltage ensures efficient power conversion even with small input-output voltage differentials.
• High efficiency minimizes power dissipation and extends battery life.
• Built-in overcurrent protection safeguards the device and connected circuitry.
• Thermal shutdown feature prevents overheating and damage to the regulator.

Advantages

• Compact size allows for easy integration into space-constrained designs.
• Wide input voltage range provides flexibility in various applications.
• Low quiescent current reduces power consumption during standby or idle modes.
• Excellent line and load regulation ensure stable output voltage under varying conditions.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• SOT-23-5 package may require additional thermal management measures in certain scenarios.

Working Principles

The S-1137B27-U5T1U is a linear voltage regulator that operates by comparing the output voltage to a reference voltage. It adjusts the resistance in the internal circuitry to maintain a stable output voltage, regardless of input voltage fluctuations or load variations. The dropout voltage is minimized through the use of a low-resistance pass transistor, enabling efficient power conversion.

Detailed Application Field Plans

The S-1137B27-U5T1U finds applications in various electronic devices and systems, including: 1. Battery-powered portable devices: Smartphones, tablets, portable media players. 2. Wearable electronics: Fitness trackers, smartwatches, wireless earbuds. 3. IoT devices: Sensors, smart home devices, connected appliances. 4. Automotive electronics: Infotainment systems, navigation units, dashboard displays. 5. Industrial equipment: Measurement instruments, control systems, automation devices.

Detailed and Complete Alternative Models

1. S-1137B25-U5T1U: Similar specifications but with a lower maximum output current of 50mA.
2. S-1137B30-U5T1U: Similar specifications but with a higher maximum output current of 150mA.
3. S-1137B27-M5T1U: Same specifications but with a different package (SOT-23-6).

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

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