LM36272YFFR

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - Low dropout voltage regulator - High output current capability - Wide input voltage range - Adjustable output voltage - Thermal shutdown protection - Overcurrent protection

Package: YFFR (Flip Chip 12-Bump Micro SMD Package)

Essence: The LM36272YFFR is a power management IC designed for low dropout voltage regulation in various electronic devices.

Packaging/Quantity: The LM36272YFFR is available in a Flip Chip 12-Bump Micro SMD package. The quantity per package may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 0.8V to VIN
• Dropout Voltage: 200mV (typical) at 1A load
• Maximum Output Current: 3A
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM36272YFFR has the following pin configuration:

1. EN (Enable): Enable pin for turning the regulator on/off.
2. GND (Ground): Ground reference for the IC.
3. FB (Feedback): Feedback pin for adjusting the output voltage.
4. VOUT (Output Voltage): Regulated output voltage.
5. VIN (Input Voltage): Input voltage supply.
6. PG (Power Good): Power good indicator pin.
7. SS (Soft Start): Soft start capacitor connection.
8. BST (Bootstrap): Bootstrap capacitor connection.
9. SW (Switch Node): Switching node connection.
10. NC (No Connect): No connection pin.
11. NC (No Connect): No connection pin.
12. NC (No Connect): No connection pin.

Functional Features

• Low dropout voltage: The LM36272YFFR provides a low dropout voltage, ensuring efficient power regulation even with small input-output voltage differentials.
• High output current capability: With a maximum output current of 3A, the IC can handle high-power applications.
• Wide input voltage range: The IC accepts input voltages ranging from 2.5V to 5.5V, making it suitable for various power supply configurations.
• Adjustable output voltage: The output voltage can be adjusted within the specified range to meet specific application requirements.
• Thermal shutdown protection: The IC incorporates thermal shutdown protection to prevent damage due to excessive temperature.
• Overcurrent protection: The IC features overcurrent protection, safeguarding the circuit against excessive current flow.

Advantages and Disadvantages

Advantages: - Efficient power management - Compact package size - Wide input voltage range - Adjustable output voltage - Built-in protection features

Disadvantages: - Limited maximum output current compared to some other power management ICs - Requires external components for operation

Working Principles

The LM36272YFFR is a low dropout voltage regulator that uses a feedback mechanism to maintain a stable output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the internal circuitry accordingly. The regulator continuously monitors the input and output voltages, adjusting the pass transistor to ensure the desired output voltage is maintained. The IC also incorporates protection features such as thermal shutdown and overcurrent protection to enhance reliability.

Detailed Application Field Plans

The LM36272YFFR can be used in various electronic devices and applications, including but not limited to: - Mobile phones and smartphones - Tablets and portable devices - Wireless communication systems - Battery-powered devices - Industrial control systems - Automotive electronics - IoT (Internet of Things) devices

Detailed and Complete Alternative Models

Some alternative models to the LM36272YFFR that offer similar functionality include: - LM1117: Low dropout voltage regulator with adjustable output voltage. - LT1763: High-performance low dropout linear regulator. - TPS7A47: Ultra-low noise, high PSRR (Power Supply Rejection Ratio) LDO regulator.

These alternative models can be considered based on specific application requirements and design constraints.

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