S-1137D34-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 - 5.5V
• Dropout Voltage: 200mV (typical)
• Maximum Output Current: 100mA
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137D34-U5T1U has a total of 5 pins: 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.
• Built-in overcurrent protection safeguards the device and connected circuitry from excessive current flow.
• Thermal shutdown feature prevents overheating by disabling the regulator when the temperature exceeds a certain threshold.
• Reverse current protection prevents current flow from the output pin to the input pin.

Advantages

• High efficiency results in minimal power dissipation and extended battery life in portable devices.
• Compact size allows for easy integration into space-constrained applications.
• Wide input voltage range provides flexibility in various power supply scenarios.
• Low quiescent current minimizes power consumption during standby or idle modes.

Disadvantages

• Limited maximum output current may restrict its use in high-power applications.
• Dropout voltage may cause a slight voltage drop across the regulator, affecting sensitive circuits.

Working Principles

The S-1137D34-U5T1U is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage derived from the output. The pass transistor adjusts its resistance to maintain a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The S-1137D34-U5T1U finds application in various electronic devices, including: - Mobile phones - Portable media players - Digital cameras - Wireless communication modules - Battery-powered devices

Detailed and Complete Alternative Models

1. S-1137D33-U5T1U: Similar specifications but with a lower dropout voltage of 150mV (typical).
2. S-1137D35-U5T1U: Similar specifications but with a higher maximum output current of 200mA.

These alternative models provide options based on specific requirements and constraints.

In conclusion, the S-1137D34-U5T1U is a compact and efficient voltage regulator suitable for a wide range of applications. Its low dropout voltage, high efficiency, and built-in protection features make it an ideal choice for portable and battery-powered devices. However, its limited maximum output current may restrict its use in high-power applications.