70V34S15PF

Basic Information Overview

• Category: Electronic Component
• Use: Voltage Regulator
• Characteristics: High Efficiency, Low Dropout Voltage, Adjustable Output Voltage
• Package: TO-220
• Essence: Linear Voltage Regulator
• Packaging/Quantity: Bulk Packaging, 100 pieces per pack

Specifications

• Input Voltage Range: 7V to 40V
• Output Voltage Range: 1.5V to 35V
• Maximum Output Current: 3A
• Dropout Voltage: 1.2V (typical)
• Line Regulation: 0.02%/V
• Load Regulation: 0.04%/A
• Quiescent Current: 5mA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The 70V34S15PF voltage regulator has three pins: 1. Vin (Pin 1): Input voltage pin 2. Vout (Pin 2): Output voltage pin 3. GND (Pin 3): Ground pin

Functional Features

• High Efficiency: The 70V34S15PF offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of 1.2V, the regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage can be adjusted within the range of 1.5V to 35V, providing flexibility for various applications.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile use in different systems.
• High efficiency reduces power dissipation and improves overall system performance.
• Adjustable output voltage provides customization options.
• TO-220 package ensures easy integration into existing circuit designs.

Disadvantages

• Dropout voltage of 1.2V may limit its use in applications with low input voltages.
• Quiescent current of 5mA may be relatively high for power-sensitive applications.

Working Principles

The 70V34S15PF is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the output voltage to a reference voltage and adjusting the pass transistor accordingly to maintain a stable output. The dropout voltage is minimized by using a low resistance pass transistor.

Detailed Application Field Plans

The 70V34S15PF can be used in various applications, including: 1. Power supply circuits for electronic devices 2. Battery charging systems 3. Automotive electronics 4. Industrial control systems 5. Audio amplifiers

Detailed and Complete Alternative Models

1. 78M05: A popular alternative with similar specifications but a fixed output voltage of 5V.
2. LM317: A versatile adjustable voltage regulator with a wider input voltage range and higher output current capability.
3. LT1083: A high-current adjustable voltage regulator suitable for demanding applications.

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