SP3491EN-L/TR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: SOT-23-5
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 3.6V
• Maximum Output Current: 150mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 30µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SP3491EN-L/TR has a total of 5 pins:

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

Functional Features

• Low dropout voltage for efficient power conversion
• Wide input voltage range for versatile applications
• Low quiescent current for reduced power consumption
• Enable pin for easy on/off control
• Feedback pin for adjustable output voltage

Advantages and Disadvantages

Advantages: - High efficiency power management - Small package size for space-constrained designs - Wide operating temperature range for various environments

Disadvantages: - Limited maximum output current - Dropout voltage may affect performance in low input voltage scenarios

Working Principles

The SP3491EN-L/TR is a voltage regulator IC that converts an input voltage within the range of 2.7V to 5.5V into a regulated output voltage between 1.2V and 3.6V. It achieves this by utilizing internal circuitry to maintain a stable output voltage, even when the input voltage fluctuates. The enable pin allows the user to control the on/off state of the regulator, while the feedback pin enables adjustment of the output voltage.

Detailed Application Field Plans

The SP3491EN-L/TR is commonly used in various applications that require efficient power management and voltage regulation. Some potential application fields include:

1. Portable Electronics: Smartphones, tablets, portable gaming devices
2. Wearable Devices: Fitness trackers, smartwatches
3. IoT (Internet of Things) Devices: Sensors, wireless modules
4. Battery-Powered Systems: Wireless headphones, remote controls
5. Automotive Electronics: Infotainment systems, dashboard displays

Detailed and Complete Alternative Models

1. SP3490EN-L/TR: Similar specifications and features, but with a different package (SOT-23-6)
2. SP3492EN-L/TR: Higher maximum output current (300mA), otherwise similar specifications and features
3. SP3493EN-L/TR: Lower dropout voltage (100mV at 100mA), otherwise similar specifications and features

(Note: This list is not exhaustive and there may be other alternative models available in the market.)

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