SC4212LMMLTRC

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Voltage Regulator
• Package: SOT-23-5
• Essence: Regulates voltage with low dropout
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 40µA
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SC4212LMMLTRC is a 5-pin integrated circuit with the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. BYP: Bypass capacitor pin
5. VOUT: Output voltage pin

Functional Features

• Low dropout voltage regulator for efficient power management
• Wide input voltage range allows flexibility in various applications
• Low quiescent current minimizes power consumption
• Excellent line and load regulation ensures stable output voltage
• Enable pin for easy on/off control
• Bypass capacitor pin for improved noise performance

Advantages and Disadvantages

Advantages

• Low dropout voltage enables efficient power conversion
• Wide input voltage range accommodates diverse power sources
• Low quiescent current prolongs battery life
• Excellent line and load regulation ensures stable output voltage
• Compact SOT-23-5 package for space-constrained applications

Disadvantages

• Maximum output current limited to 150mA
• Dropout voltage of 200mV may not be suitable for ultra-low power applications

Working Principles

The SC4212LMMLTRC is a low dropout voltage regulator that regulates the output voltage with minimal voltage drop between the input and output. It utilizes a pass transistor to control the voltage across a series resistor, maintaining a stable output voltage even when the input voltage fluctuates.

When the enable pin (EN) is high, the regulator is enabled, allowing current flow from the input (VIN) to the output (VOUT). The bypass capacitor (BYP) helps reduce noise and improve stability by providing a low impedance path for high-frequency signals.

Detailed Application Field Plans

The SC4212LMMLTRC is commonly used in various applications where efficient power management is required. Some typical application fields include:

1. Battery-powered devices: Portable electronics, wearable devices, and IoT sensors benefit from the low dropout voltage and low quiescent current of the SC4212LMMLTRC.
2. Industrial automation: Control systems, motor drives, and sensors can utilize this voltage regulator for reliable power supply.
3. Automotive electronics: The wide input voltage range and compact package make it suitable for automotive applications such as infotainment systems, lighting controls, and sensor modules.

Detailed and Complete Alternative Models

1. SC4210LMMLTRC: Similar low dropout voltage regulator with a lower maximum output current of 100mA.
2. SC4215LMMLTRC: Higher maximum output current of 300mA, suitable for applications requiring higher power delivery.
3. SC4218LMMLTRC: Adjustable output voltage version of the SC4212LMMLTRC, allowing flexibility in selecting the desired output voltage.

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