SC185EULTRT

Product Overview

• Category: Electronic Component
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: Surface Mount Technology (SMT)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 1.5A
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C
• Package Dimensions: 3mm x 3mm x 0.8mm

Detailed Pin Configuration

The SC185EULTRT has the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. VOUT: Output Voltage

Functional Features

• High Efficiency: The SC185EULTRT offers high efficiency power conversion, minimizing energy loss.
• Low Power Consumption: It has a low quiescent current, reducing power consumption during standby or idle modes.
• Wide Input Voltage Range: The device can accept input voltages ranging from 4.5V to 18V, providing flexibility in various applications.
• Adjustable Output Voltage: The output voltage can be adjusted between 1.2V and 5.5V, allowing customization based on specific requirements.

Advantages and Disadvantages

Advantages

• Compact Size: The small package dimensions make it suitable for space-constrained designs.
• Thermal Protection: The device incorporates thermal shutdown protection, preventing damage due to excessive heat.
• Overcurrent Protection: It includes overcurrent protection, safeguarding against excessive current flow.
• Short Circuit Protection: The SC185EULTRT features short circuit protection, ensuring the safety of the connected circuitry.

Disadvantages

• Limited Output Current: The maximum output current of 1.5A may not be sufficient for high-power applications.
• Temperature Sensitivity: The device's performance may be affected by extreme temperature conditions.

Working Principles

The SC185EULTRT is a voltage regulator that maintains a stable output voltage regardless of input voltage fluctuations. It utilizes a switching regulator topology to efficiently step down the input voltage to the desired output voltage level. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the internal switch to regulate the output voltage within the specified range.

Detailed Application Field Plans

The SC185EULTRT finds applications in various fields, including:

1. Portable Electronics: It can be used in smartphones, tablets, and portable gaming devices to regulate power supply voltages.
2. Industrial Automation: The device is suitable for controlling power supply voltages in industrial automation systems.
3. Automotive Electronics: It can be employed in automotive applications such as infotainment systems, lighting control, and power management.
4. IoT Devices: The SC185EULTRT is well-suited for powering Internet of Things (IoT) devices, ensuring stable and efficient operation.

Detailed and Complete Alternative Models

1. SC186EULTRT: Similar to SC185EULTRT but with higher output current capability (2A).
2. SC184EULTRT: Similar to SC185EULTRT but with lower quiescent current (30µA).
3. SC187EULTRT: Similar to SC185EULTRT but with wider input voltage range (2.7V to 18V).

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