LT8602ILXE#PBF

Product Overview

Category

LT8602ILXE#PBF belongs to the category of integrated circuits (ICs).

Use

The LT8602ILXE#PBF is commonly used as a step-down DC/DC converter.

Characteristics

• High efficiency
• Wide input voltage range
• Low quiescent current
• Adjustable output voltage
• Synchronous rectification
• Programmable soft-start
• Overcurrent protection
• Thermal shutdown

Package

The LT8602ILXE#PBF comes in a compact 16-lead, 3mm x 3mm LQFN package.

Essence

The essence of LT8602ILXE#PBF lies in its ability to efficiently convert high input voltages to lower output voltages with minimal power loss.

Packaging/Quantity

The LT8602ILXE#PBF is typically packaged in reels and available in quantities of 2500 units per reel.

Specifications

• Input Voltage Range: 3.4V to 42V
• Output Voltage Range: 0.8V to VIN
• Maximum Output Current: 2A
• Switching Frequency: 1MHz
• Quiescent Current: 12μA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. SW: Switching node connection
3. GND: Ground reference
4. FB: Feedback pin for output voltage regulation
5. SS/TRK: Soft-start/Tracking control pin
6. SYNC/MODE: External synchronization or mode selection pin
7. VCC: Supply voltage for internal circuitry
8. PGND: Power ground connection
9. BST: Boost capacitor connection
10. EN/UVLO: Enable/Undervoltage lockout control pin
11. VOUT: Output voltage pin

Functional Features

• High efficiency conversion
• Wide input voltage range for versatile applications
• Adjustable output voltage to meet specific requirements
• Synchronous rectification for improved efficiency
• Programmable soft-start for controlled startup
• Overcurrent protection for enhanced safety
• Thermal shutdown to prevent overheating

Advantages and Disadvantages

Advantages

• High efficiency results in reduced power consumption
• Wide input voltage range allows for compatibility with various power sources
• Adjustable output voltage provides flexibility in design
• Synchronous rectification improves overall efficiency
• Programmable soft-start ensures smooth startup
• Overcurrent protection enhances system safety
• Thermal shutdown prevents damage due to overheating

Disadvantages

• Limited maximum output current of 2A may not be suitable for high-power applications
• Higher cost compared to non-integrated solutions

Working Principles

The LT8602ILXE#PBF operates on the principle of pulse width modulation (PWM) to regulate the output voltage. It uses an internal switch to control the energy transfer from the input to the output. The switching frequency is set at 1MHz, allowing for efficient power conversion. The feedback loop continuously monitors the output voltage and adjusts the duty cycle of the internal switch to maintain a stable output.

Detailed Application Field Plans

The LT8602ILXE#PBF finds applications in various fields, including:

1. Industrial automation: Powering sensors, actuators, and control systems.
2. Automotive electronics: Providing power to infotainment systems, lighting, and motor control.
3. Telecommunications: Powering base stations, routers, and network equipment.
4. Renewable energy: Charging batteries in solar or wind power systems.
5. Consumer electronics: Powering portable devices, home appliances, and audio/video equipment.

Detailed and Complete Alternative Models

1. LT8602ILXE#TRPBF: Similar to LT8602ILXE#PBF, but packaged in a 16-lead TSSOP package.
2. LT8602ILXE#MPBF: Similar to LT8602ILXE#PBF, but available in a 16-lead MSOP package.
3. LT8602ILXE#PBF-REEL7: Same as LT8602ILXE#PBF, but packaged in a reel of 750 units.

These alternative models offer similar functionality and performance, providing options for different packaging requirements.

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