LT3480MPMSE#TRPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current, Wide Input Voltage Range
• Package: MSE (10-Lead MSOP)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 3,000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 36V
• Output Voltage Range: 1.24V to 33V
• Switching Frequency: 1.2MHz
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to 125°C
• Shutdown Current: 1µA

Detailed Pin Configuration

The LT3480MPMSE#TRPBF has the following pin configuration:

1. VIN: Input Voltage Pin
2. SW: Switching Node Pin
3. GND: Ground Pin
4. FB: Feedback Pin
5. VOUT: Output Voltage Pin
6. SS: Soft-Start Pin
7. RT: Timing Resistor Pin
8. CT: Timing Capacitor Pin
9. EN: Enable Pin
10. PG: Power Good Pin

Functional Features

• High efficiency synchronous step-down switching regulator
• Low quiescent current for improved power efficiency
• Wide input voltage range allows for versatile applications
• Adjustable output voltage with high accuracy
• Soft-start feature for controlled startup
• Power good indicator for system monitoring
• Thermal shutdown and current limit protection

Advantages and Disadvantages

Advantages: - High efficiency operation saves power - Wide input voltage range accommodates various power sources - Compact package size for space-constrained designs - Adjustable output voltage provides flexibility - Power good indicator enhances system reliability

Disadvantages: - Limited maximum output current - Requires external components for operation - Sensitive to input voltage fluctuations

Working Principles

The LT3480MPMSE#TRPBF is a synchronous step-down switching regulator. It converts a higher input voltage to a lower output voltage with high efficiency. The regulator operates by controlling the duty cycle of an internal switch to regulate the output voltage. It utilizes a feedback mechanism to adjust the duty cycle based on the difference between the actual output voltage and the desired setpoint.

The device incorporates a power good indicator that monitors the output voltage and provides a signal indicating whether it is within the acceptable range. This feature allows for system-level monitoring and fault detection.

Detailed Application Field Plans

The LT3480MPMSE#TRPBF is commonly used in various applications, including:

1. Battery-powered devices: Provides efficient power conversion for portable electronics, such as smartphones, tablets, and wearable devices.
2. Industrial equipment: Enables reliable power management in industrial automation systems, motor control units, and instrumentation devices.
3. Automotive electronics: Supports power supply requirements in automotive infotainment systems, lighting modules, and advanced driver assistance systems (ADAS).
4. Communication systems: Facilitates power management in networking equipment, routers, switches, and wireless communication devices.
5. Consumer electronics: Offers efficient voltage regulation for audio/video equipment, gaming consoles, and home appliances.

Detailed and Complete Alternative Models

1. LT3480A: Similar specifications and features, but with a different package (MSOP-12)
2. LT3480B: Higher maximum output current, suitable for applications requiring more power
3. LT3480C: Lower quiescent current, ideal for battery-powered devices with strict power consumption requirements
4. LT3480D: Enhanced thermal management capabilities, suitable for high-temperature environments

These alternative models provide options based on specific application requirements and design constraints.

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