LT1768CGN#PBF Allicdata Electronics
Allicdata Part #:

LT1768CGN#PBF-ND

Manufacturer Part#:

LT1768CGN#PBF

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Linear Technology/Analog Devices
Short Description: IC CTRLR CCFL SGL/MULT HP 16SSOP
More Detail: N/A
DataSheet: LT1768CGN#PBF datasheetLT1768CGN#PBF Datasheet/PDF
Quantity: 448
Stock 448Can Ship Immediately
Specifications
Series: --
Packaging: Tube 
Part Status: Active
Type: CCFL Controller
Frequency: 300kHz ~ 410kHz
Voltage - Supply: 8 V ~ 24 V
Current - Supply: 7mA
Current - Output Source/Sink: --
Dimming: Yes
Operating Temperature: 0°C ~ 125°C
Mounting Type: Surface Mount
Package / Case: 16-SSOP (0.154", 3.90mm Width)
Supplier Device Package: 16-SSOP
Base Part Number: LT1768
Description

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PMIC - Lighting, Ballast Controllers

Introduction

The LT®1768CGN#PBF is a synchronous boost controller with a high frequency and high efficiency that enables a small, lightweight design. It is capable of achieving high efficiency even under light load conditions. The boost converter is an efficient and simple form of DC-to-DC conversion for applications such as lighting, ballast controllers or other applications that require an elevated output voltage. The LT1768CGN#PBF is ideal for these applications as it has both a high switching frequency and high efficiency, ensuring that design and space requirements are minimized.

Features and Benefits

The LT1768CGN#PBF has a wide 4V to 44V input voltage range and a 0V to 50V output voltage range. It features a 1A high current switching capability, allowing for a maximum efficiency of up to 95%. The LT1768CGN#PBF also provides a wide variety of configurable protection features, such as adjustable overvoltage protection and adjustable overcurrent protection. It is capable of high frequency operation, up to 1.5MHz, which allows for the efficient use of a small form factor transformer and allows for the design of a low ripple output voltage. The IC also features a soft-start function that ensures the device starts up in the correct state, and a soft-stop function that maintains the output voltage when required.

Applications

The LT1768CGN#PBF is ideal for a wide range of lighting and ballast controller applications. It can be used in LED lighting solutions, fluorescent lighting solutions, and other applications that require an elevated output voltage. The high switching frequency and tight regulation features make the device suitable for use in many applications where small form factor and high efficiency are critical, such as cell phone chargers, battery chargers, or DC/DC converters. The device also has integrated OVP, OCP, and current sensing functions, making it suitable for use in Surge Protection, Overvoltage protection, and EMI filtering applications.

Working Principle

The LT1768CGN#PBF boosts input voltage by using an internal oscillator to drive a gate driver, which switches a power MOSFET connected to the secondary winding of a transformer. The transformer steps up the input voltage to the output voltage. The gate impedance is adjustable to minimize losses. The IC has an optional output soft-start or soft-stop feature to minimize output voltage overshoot/undershoot. The device also includes a PGOOD signal to indicate when the output is in regulation. The output voltage is monitored and compared to a reference voltage, and the feedback loop adjusts the current and the frequency of the switching accordingly. The device also has several configurable protection features, such as adjustable overvoltage protection and adjustable overcurrent protection.

Conclusion

The LT1768CGN#PBF is a synchronous boost controller with a high frequency and high efficiency that enables a small, lightweight design. It has a wide 4V to 44V input voltage range and a 0V to 50V output voltage range, and can achieve a maximum efficiency of up to 95%. The LT1768CGN#PBF is ideal for lighting, ballast controller applications and other applications that require an elevated output voltage. It has integrated PGOOD, OVP, and OCP functions, making it suitable for use in surge protection, overvoltage protection, and EMI filtering applications.

The specific data is subject to PDF, and the above content is for reference

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