UC3836DTR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: DFN (Dual Flat No-Lead)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Maximum Output Current: 1.5A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The UC3836DTR IC has the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. VOUT: Output Voltage
6. PG: Power Good Indicator

Functional Features

• High efficiency power management solution
• Low power consumption
• Wide input voltage range for versatile applications
• Adjustable output voltage
• Overcurrent and thermal protection
• Power good indicator for system monitoring

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power loss
• Low power consumption extends battery life
• Wide input voltage range allows compatibility with various power sources
• Adjustable output voltage provides flexibility in different applications
• Overcurrent and thermal protection ensure safe operation
• Power good indicator enables system monitoring

Disadvantages

• Limited maximum output current of 1.5A
• Dropout voltage of 200mV may affect performance in low voltage scenarios

Working Principles

The UC3836DTR 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 0.8V and 3.6V. It operates by utilizing a control loop to maintain the desired output voltage despite variations in the input voltage or load conditions. The feedback pin (FB) monitors the output voltage and adjusts the internal circuitry to achieve the desired voltage level. The enable pin (EN) controls the operation of the regulator, allowing it to be turned on or off as needed.

Detailed Application Field Plans

The UC3836DTR is commonly used in various applications where efficient power management is required. Some potential application fields include:

1. Mobile Devices: Smartphones, tablets, and portable media players benefit from the low power consumption and high efficiency of the UC3836DTR, extending battery life.
2. IoT Devices: Internet of Things (IoT) devices often operate on limited power sources. The wide input voltage range and adjustable output voltage make the UC3836DTR suitable for powering these devices.
3. Wearable Electronics: Fitness trackers, smartwatches, and other wearable devices can benefit from the compact package and low power consumption of the UC3836DTR.
4. Embedded Systems: The UC3836DTR can be used in embedded systems, such as industrial automation, where efficient power management is crucial.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and functionality.
2. LT1763: Offers higher maximum output current and lower dropout voltage compared to the UC3836DTR.
3. TPS7A4700: Provides a wider input voltage range and higher output current capability.

These alternative models offer different trade-offs in terms of performance, features, and cost, allowing users to choose the most suitable option for their specific requirements.

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