TEA1791T/N1,118

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High efficiency, low power consumption
• Package: SOT669-1 (HVSON10)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 2.5V to 38V
• Maximum Output Current: 1.5A
• Switching Frequency: 100kHz to 500kHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TEA1791T/N1,118 IC has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin for turning the IC on/off
5. SS: Soft-start pin for controlling the start-up time
6. COMP: Compensation pin for stability adjustment
7. CS: Current sense pin for current limit protection
8. SW: Switching node for connecting the inductor
9. PGND: Power ground reference
10. VREF: Reference voltage output

Functional Features

• Wide input voltage range allows for versatile applications
• High efficiency ensures minimal power loss
• Low power consumption contributes to energy savings
• Adjustable output voltage provides flexibility
• Overcurrent and thermal protection for enhanced safety
• Soft-start function prevents excessive inrush current

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power dissipation
• Wide input voltage range enables compatibility with various power sources
• Compact package size saves board space
• Comprehensive protection features enhance reliability

Disadvantages

• Limited maximum output current may restrict certain high-power applications
• Higher cost compared to non-integrated voltage regulators

Working Principles

The TEA1791T/N1,118 is a voltage regulator IC that utilizes a switching converter topology. It operates by converting the input voltage into a regulated output voltage through a series of switching cycles. The internal control circuitry adjusts the duty cycle of the switches to maintain the desired output voltage despite variations in the input voltage and load conditions.

Detailed Application Field Plans

The TEA1791T/N1,118 is commonly used in various power management applications, including:

1. Power supplies for industrial equipment
2. Automotive electronics
3. LED lighting systems
4. Telecom infrastructure
5. Consumer electronics

Detailed and Complete Alternative Models

• TEA1791T/N1,112
• TEA1791T/N1,115
• TEA1791T/N1,116
• TEA1791T/N1,117

These alternative models offer similar functionality and specifications, providing options for different design requirements.

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