LT3595AEUHH#PBF

Product Overview

Category

The LT3595AEUHH#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices to efficiently regulate and control power supply, making it suitable for a wide range of applications.

Characteristics

• High efficiency: The LT3595AEUHH#PBF offers high efficiency power conversion, minimizing energy loss during operation.
• Wide input voltage range: It can handle a broad range of input voltages, allowing flexibility in different power supply scenarios.
• Adjustable output voltage: The IC provides adjustable output voltage, enabling customization based on specific requirements.
• Compact package: The LT3595AEUHH#PBF is available in a compact and robust package, ensuring ease of integration into different circuit designs.
• Low quiescent current: It features low quiescent current consumption, reducing power wastage during standby or idle modes.

Package and Quantity

The LT3595AEUHH#PBF is typically packaged in a small outline integrated circuit (SOIC) package. It is supplied in reels or tubes, with a standard quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4V to 36V
• Output Voltage Range: 0.6V to 34V
• Maximum Output Current: 1.5A
• Switching Frequency: 200kHz to 2MHz
• Operating Temperature Range: -40°C to 125°C
• Package Type: SOIC-16

Pin Configuration

The LT3595AEUHH#PBF has a total of 16 pins, each serving a specific function. The pin configuration is as follows:

1. VIN: Input voltage pin
2. SW: Switching node connection
3. GND: Ground reference pin
4. FB: Feedback pin for output voltage regulation
5. VOUT: Output voltage pin
6. EN: Enable pin for turning the IC on/off
7. ADJ: Adjust pin for setting the output voltage
8. SS: Soft-start capacitor connection
9. PGND: Power ground pin
10. LX: Inductor connection
11. BST: Boost capacitor connection
12. VCC: Internal bias voltage pin
13. SYNC: Synchronization input pin
14. RT: External resistor for setting switching frequency
15. CT: External capacitor for setting soft-start time
16. NC: No connection

Functional Features

• Wide input voltage range allows compatibility with various power sources.
• Adjustable output voltage enables customization for different load requirements.
• High efficiency power conversion reduces energy loss and improves overall system performance.
• Integrated protection features such as overvoltage, undervoltage, and overcurrent protection enhance reliability and safety.
• Soft-start function prevents excessive inrush current during startup, prolonging the lifespan of components.

Advantages and Disadvantages

Advantages

• High efficiency power conversion
• Wide input voltage range
• Adjustable output voltage
• Compact package size
• Low quiescent current consumption

Disadvantages

• Limited maximum output current (1.5A)
• Requires external components for proper operation
• Relatively high cost compared to some alternatives

Working Principles

The LT3595AEUHH#PBF operates based on a buck-boost topology, allowing it to regulate the output voltage regardless of whether the input voltage is higher or lower than the desired output voltage. It utilizes a combination of switches, inductors, capacitors, and control circuitry to efficiently convert the input voltage to the desired output voltage level.

During operation, the IC continuously monitors the output voltage and adjusts the duty cycle of the internal switches to maintain a stable output. This feedback control mechanism ensures that the output voltage remains within the desired range, even when the input voltage or load conditions change.

Detailed Application Field Plans

The LT3595AEUHH#PBF finds applications in various fields, including but not limited to:

1. LED Lighting: The IC can be used to drive and control LED lighting systems, providing efficient power conversion for optimal brightness and energy savings.
2. Portable Electronics: It is suitable for powering portable electronic devices such as smartphones, tablets, and portable audio players, ensuring reliable and regulated power supply.
3. Industrial Automation: The IC can be utilized in industrial automation systems to regulate power supply for sensors, actuators, and other components, improving overall system performance.
4. Automotive Electronics: It finds application in automotive electronics, enabling efficient power management for various subsystems such as infotainment systems, lighting, and motor control.

Detailed and Complete Alternative Models

1. LT3575: Similar to LT3595AEUHH#PBF, this IC offers high efficiency buck-boost power conversion