S-1137C21-M5T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current, Adjustable Output
• 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 @ 500mA
• Maximum Output Current: 1A
• Quiescent Current: 50µA
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137C21-M5T1U has a total of five pins arranged in the following 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: CE (Control Enable)

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• High current capability allows for powering various components in electronic circuits.
• Adjustable output voltage provides flexibility in meeting specific voltage requirements.
• Control enable pin allows for easy on/off control of the regulator.

Advantages

• Wide input voltage range accommodates a variety of power sources.
• Excellent line and load regulation ensures stable output voltage under varying conditions.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Small package size (SOT-23-5) enables space-saving integration in compact designs.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• No thermal shutdown feature, which could lead to overheating if operated beyond specified limits.
• Non-adjustable dropout voltage may restrict certain voltage conversion scenarios.

Working Principles

The S-1137C21-M5T1U is a linear voltage regulator that utilizes a pass transistor to regulate the input voltage to a stable output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly to maintain the desired output voltage. The control enable pin allows for easy on/off control of the regulator, providing additional power-saving capabilities.

Detailed Application Field Plans

The S-1137C21-M5T1U can be used in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable audio players - Mobile phones - Digital cameras - Wireless communication modules

Detailed and Complete Alternative Models

• S-1137C18-M5T1U: Similar specifications, lower maximum output current (800mA)
• S-1137C25-M5T1U: Similar specifications, higher maximum output current (1.5A)
• S-1137C30-M5T1U: Similar specifications, higher maximum output current (3A)

These alternative models provide options with varying output current capabilities to suit different application requirements.

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