LM34917ATL/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current, Wide Input Voltage Range
• Package: Thin Shrink Small Outline Package (TSSOP)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 1.2V to 37V
• Quiescent Current: 25µA
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM34917ATL/NOPB has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin
4. EN: Enable pin
5. SW: Switching node pin
6. VOUT: Output voltage pin

Functional Features

• High efficiency up to 95%
• Low quiescent current for improved power savings
• Wide input voltage range allows for versatile applications
• Adjustable output voltage through feedback pin
• Overcurrent protection and thermal shutdown features

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range enables compatibility with various power sources - Low quiescent current enhances energy efficiency - Overcurrent protection ensures safe operation - Thermal shutdown prevents damage due to excessive heat

Disadvantages: - Limited output voltage range compared to some other voltage regulators - Requires external components for proper operation

Working Principles

The LM34917ATL/NOPB is a voltage regulator that operates by converting the input voltage to a regulated output voltage. It utilizes a switching regulator topology to achieve high efficiency. The feedback pin allows for adjustable output voltage, which is compared to a reference voltage internally. The device adjusts the duty cycle of the internal switch to maintain the desired output voltage.

Detailed Application Field Plans

The LM34917ATL/NOPB can be used in various applications, including but not limited to: - Industrial automation systems - Automotive electronics - Power supplies for consumer electronics - LED lighting systems - Battery charging circuits

Detailed and Complete Alternative Models

1. LM34918ATL/NOPB: Similar specifications with higher output voltage range (up to 60V)
2. LM34916ATL/NOPB: Similar specifications with lower output voltage range (down to 0.8V)
3. LM34915ATL/NOPB: Similar specifications with lower quiescent current (10µA)

These alternative models provide flexibility based on specific application requirements.

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