DS1080LU+T

Product Overview

Category: Integrated Circuit (IC)

Use: The DS1080LU+T is a versatile integrated circuit primarily used for voltage regulation and power management in electronic devices. It provides stable and regulated power supply to various components within a system.

Characteristics: - High efficiency voltage regulation - Low power consumption - Compact size - Wide input voltage range - Overcurrent and overvoltage protection

Package: The DS1080LU+T is available in a small form factor package, making it suitable for space-constrained applications. It is commonly found in surface mount packages such as QFN (Quad Flat No-leads) or DFN (Dual Flat No-leads).

Essence: The essence of the DS1080LU+T lies in its ability to efficiently regulate voltage and manage power consumption, ensuring reliable operation of electronic devices.

Packaging/Quantity: The DS1080LU+T is typically sold in reels or tubes containing a specific quantity of ICs, depending on the manufacturer's packaging standards.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable from 0.8V to V_IN
• Maximum Output Current: 1A
• Quiescent Current: <100µA
• Operating Temperature Range: -40°C to +85°C
• Package Type: QFN-16

Detailed Pin Configuration

The DS1080LU+T features a 16-pin configuration with the following pin assignments:

1. VIN: Input voltage
2. GND: Ground reference
3. EN: Enable pin
4. FB: Feedback voltage
5. COMP: Compensation pin
6. SS/TR: Soft-start/Tracking pin
7. PGND: Power ground
8. SW: Switching node
9. BST: Boost voltage
10. VCC: Supply voltage
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection

Functional Features

• Voltage Regulation: The DS1080LU+T provides precise voltage regulation, ensuring a stable output voltage even under varying load conditions.
• Power Management: It efficiently manages power consumption by adjusting the output voltage based on the input and load requirements.
• Overcurrent and Overvoltage Protection: The IC incorporates protection mechanisms to safeguard against overcurrent and overvoltage conditions, preventing damage to connected devices.
• Soft-start Functionality: The soft-start feature allows for gradual ramp-up of the output voltage, reducing stress on the system during startup.

Advantages and Disadvantages

Advantages: - High efficiency power management - Wide input voltage range - Compact size for space-constrained applications - Overcurrent and overvoltage protection ensures device safety

Disadvantages: - Limited maximum output current (1A) - Requires external components for proper operation

Working Principles

The DS1080LU+T operates based on a switching regulator topology. It utilizes a combination of inductors, capacitors, and transistors to convert the input voltage into a regulated output voltage. The integrated circuit controls the switching frequency and duty cycle to maintain the desired output voltage level.

Detailed Application Field Plans

The DS1080LU+T finds application in various electronic devices that require voltage regulation and power management. Some common application fields include: - Mobile devices (smartphones, tablets) - Portable consumer electronics - Industrial automation systems - Automotive electronics - IoT (Internet of Things) devices

Detailed and Complete Alternative Models

• DS1080LU: Similar to DS1080LU+T, but without the temperature range specification.
• DS1081LU+T: Higher maximum output current (1.5A) compared to DS1080LU+T.
• DS1082LU+T: Lower quiescent current (<50µA) and wider input voltage range compared to DS1080LU+T.

These alternative models offer similar functionality with slight variations in specifications, catering to different application requirements.

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