LT1308BCF#PBF

Product Overview

Category

The LT1308BCF#PBF belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for power management applications, providing efficient and reliable voltage regulation.

Characteristics

• High efficiency: The LT1308BCF#PBF offers high efficiency conversion, minimizing power losses.
• Wide input voltage range: It can operate with a wide input voltage range, making it suitable for various applications.
• Compact package: The LT1308BCF#PBF is available in a compact package, enabling space-saving designs.
• Low quiescent current: It has low quiescent current consumption, reducing power consumption during standby or idle modes.

Package and Quantity

The LT1308BCF#PBF is packaged in a small form factor, such as a 16-pin TSSOP (Thin Shrink Small Outline Package). It is typically sold in reels containing a specific quantity, usually 250 or 1000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 40V
• Output Voltage Range: 1.24V to 37V
• Maximum Output Current: 1.5A
• Switching Frequency: 300kHz
• Operating Temperature Range: -40°C to 125°C
• Quiescent Current: 80µA

Pin Configuration

The LT1308BCF#PBF features a 16-pin TSSOP package with the following pin configuration:

1. VIN: Input voltage
2. GND: Ground reference
3. SW: Switch node connection
4. FB: Feedback pin for output voltage regulation
5. COMP: Compensation pin for stability control
6. SS/TR: Soft-start/Tracking pin
7. VCC: Supply voltage for internal circuitry
8. SYNC: Synchronization input for external clock
9. RT/CLKOUT: Timing resistor/Clock output
10. CLKIN: Clock input
11. SS/TR: Soft-start/Tracking pin
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. VOUT: Output voltage

Functional Features

• High efficiency step-up or step-down conversion
• Adjustable output voltage through feedback pin (FB)
• Soft-start and tracking capability for controlled startup
• Synchronization input for external clocking
• Overcurrent protection and thermal shutdown features for enhanced safety

Advantages and Disadvantages

Advantages

• High efficiency conversion reduces power losses
• Wide input voltage range allows versatility in applications
• Compact package enables space-saving designs
• Low quiescent current minimizes power consumption during standby

Disadvantages

• Limited maximum output current of 1.5A may not be suitable for high-power applications
• Requires additional external components for proper operation

Working Principles

The LT1308BCF#PBF operates based on a switching regulator topology, utilizing high-frequency switching to efficiently convert the input voltage to the desired output voltage. It employs a control loop that adjusts the duty cycle of the switching transistor to regulate the output voltage. The feedback pin (FB) is used to set the desired output voltage, while other pins provide additional functionalities such as soft-start, synchronization, and compensation.

Detailed Application Field Plans

The LT1308BCF#PBF finds application in various fields, including but not limited to: - Battery-powered devices - Industrial automation systems - Automotive electronics - Telecommunications equipment - Portable consumer electronics

Its ability to efficiently regulate voltage with a wide input voltage range makes it suitable for diverse applications requiring stable power supply.

Detailed and Complete Alternative Models

• LT1308ACF#PBF
• LT1308BCS8#PBF
• LT1308BIS8#PBF
• LT1308AIS8#PBF

These alternative models offer similar functionality and characteristics, providing options for different package types or pin configurations to suit specific design requirements.

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