LM27761DSGR

Product Overview

LM27761DSGR belongs to the category of voltage regulators. It is commonly used to regulate voltage in electronic circuits, providing stable and reliable power supply. The characteristics of LM27761DSGR include high efficiency, low dropout voltage, and a small package size. This product is typically available in surface-mount packages and is essential for maintaining consistent voltage levels in various electronic devices.

Package and Quantity

LM27761DSGR is usually packaged in a small outline integrated circuit (SOIC) package. It is often sold in reels containing a specific quantity, such as 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 3.3V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 300mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

LM27761DSGR features a standard pin configuration with input, output, and ground pins, along with additional pins for enable and bypass functions. The pinout is as follows: 1. VIN (Input Voltage) 2. BYP (Bypass Capacitor) 3. EN (Enable) 4. GND (Ground) 5. FB (Feedback) 6. VOUT (Output Voltage)

Functional Features

LM27761DSGR offers precise voltage regulation, low dropout voltage, and thermal shutdown protection. It also includes an enable pin for controlling the device's operation and a bypass pin for improved noise performance.

Advantages and Disadvantages

Advantages

• High efficiency
• Low dropout voltage
• Small package size
• Enable and bypass functions for flexibility

Disadvantages

• Limited maximum output current (500mA)
• Restricted input voltage range (2.7V to 5.5V)

Working Principles

LM27761DSGR operates by comparing the output voltage to a reference voltage and adjusting the internal circuitry to maintain a constant output voltage. When the enable pin is activated, the regulator starts functioning, ensuring that the output voltage remains within the specified range. The bypass pin allows for improved noise performance by connecting an external capacitor.

Detailed Application Field Plans

LM27761DSGR is widely used in portable electronic devices, battery-powered systems, and low-voltage applications where stable voltage regulation is crucial. It is commonly employed in smartphones, tablets, portable media players, and other handheld electronics.

Detailed and Complete Alternative Models

Some alternative models to LM27761DSGR include: - LM2937ES-3.3/NOPB - LM1117IMPX-3.3/NOPB - TPS79933DDCR - MCP1700T-3302E/TT

These alternatives offer similar voltage regulation capabilities and can be considered based on specific application requirements.

In conclusion, LM27761DSGR is a versatile voltage regulator with high efficiency and precise voltage regulation capabilities. Its compact package and functional features make it suitable for a wide range of electronic applications, particularly in portable and low-power devices.

Word count: 470