RT7257CLZSP

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: CLZSP (Compact Leadless Small Outline Package)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel / 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 0.8V to 5.5V
• Output Current: Up to 1A
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT7257CLZSP has the following pin configuration:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VIN | Input Voltage | | 2 | GND | Ground | | 3 | EN | Enable Control | | 4 | FB | Feedback Voltage | | 5 | VOUT | Output Voltage |

Functional Features

• High Efficiency: The RT7257CLZSP offers high efficiency power conversion, minimizing energy loss.
• Low Power Consumption: With a quiescent current of only 50µA, it consumes minimal power during standby or low load conditions.
• Enable Control: The EN pin allows for easy on/off control of the voltage regulator.
• Overcurrent Protection: The IC incorporates overcurrent protection to safeguard against excessive current flow.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Low power consumption - Compact package size - Easy enable control

Disadvantages: - Limited output current capacity (up to 1A)

Working Principles

The RT7257CLZSP is a voltage regulator that takes an input voltage within the range of 2.5V to 6V and provides a regulated output voltage between 0.8V and 5.5V. It achieves this by utilizing a control loop that adjusts the internal switching frequency to maintain the desired output voltage. The feedback voltage (FB) pin monitors the output voltage and provides feedback to the control circuitry, ensuring stable and accurate regulation.

Detailed Application Field Plans

The RT7257CLZSP is commonly used in various applications where efficient power management is required. Some typical application fields include: - Portable electronic devices - Battery-powered systems - IoT devices - Wearable devices - Industrial automation

Detailed and Complete Alternative Models

• RT7257A: Similar specifications with enhanced overcurrent protection
• RT7257B: Higher output current capacity (up to 2A)
• RT7257C: Lower dropout voltage (100mV at 500mA)

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