LM36273YFFR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Voltage Regulator
• Package: YFFR (Flip Chip 6-Bump Micro SMD)
• Essence: Regulates voltage with minimal power loss
• Packaging/Quantity: Sold in reels of 3000 units

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 1.2V to 3.3V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM36273YFFR has a total of six pins arranged as follows:

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

Functional Features

• Low dropout voltage ensures efficient power regulation
• Wide input voltage range allows for versatile applications
• Enable pin provides control over the regulator's operation
• Bypass capacitor connection pin enhances stability and noise reduction
• Feedback pin enables precise output voltage regulation

Advantages and Disadvantages

Advantages

• Low dropout voltage minimizes power loss
• Small package size saves board space
• Wide input voltage range increases flexibility
• Low quiescent current prolongs battery life

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Flip chip package may require specialized assembly techniques

Working Principles

The LM36273YFFR is a low dropout voltage regulator that maintains a stable output voltage despite fluctuations in the input voltage. It achieves this by utilizing a pass transistor that adjusts its resistance to compensate for changes in load and input conditions. The enable pin allows the user to control the regulator's operation, while the feedback pin ensures precise output voltage regulation.

Detailed Application Field Plans

The LM36273YFFR is commonly used in various applications, including:

1. Battery-powered devices: Provides efficient power management for portable electronics such as smartphones, tablets, and wearables.
2. Industrial equipment: Ensures stable voltage supply for sensors, actuators, and control systems in industrial automation.
3. Automotive electronics: Regulates voltage for automotive infotainment systems, lighting modules, and other vehicle electronics.
4. IoT devices: Enables reliable power management in Internet of Things (IoT) devices, including smart home appliances and environmental sensors.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with a fixed 3.3V output voltage and higher maximum output current of 800mA.
2. LP2985-33DBVR: Another option with a fixed 3.3V output voltage and lower dropout voltage of 120mV at 150mA.
3. TPS73633DBVR: Offers a fixed 3.3V output voltage, low dropout voltage of 75mV at 400mA, and additional thermal shutdown protection.

These alternative models provide similar functionality to the LM36273YFFR but may have different specifications or package options.

In conclusion, the LM36273YFFR is a low dropout voltage regulator designed for efficient power management in various applications. Its small package size, wide input voltage range, and precise voltage regulation make it a versatile choice for battery-powered devices, industrial equipment, automotive electronics, and IoT devices. While it has limitations in terms of maximum output current, alternative models with different specifications are available to suit specific requirements.