LTC3219EUD#TRPBF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	DC DC Regulator
Topology:	Switched Capacitor (Charge Pump)
Internal Switch(s):	Yes
Number of Outputs:	9
Voltage - Supply (Min):	2.9V
Voltage - Supply (Max):	5.5V
Voltage - Output:	--
Current - Output / Channel:	28mA
Frequency:	850kHz
Dimming:	I²C
Applications:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	20-WFQFN Exposed Pad
Supplier Device Package:	20-QFN (3x3)
Base Part Number:	LTC3219

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

The LTC3219EUD#TRPBF is a highly integrated, low-cost LED driver for single color LED phone display applications. It integrates key LED driver features such as LED current regulation, LED dimming, LED thermal protection, LED diagnostic features, and other features required for phone display LED backlighting. The LTC3219EUD#TRPBF is the ideal choice for LED display and phone applications.

Application field

The LTC3219EUD#TRPBF is ideally suited for LED display applications in modern mobile phones. It can also be used in other LED applications such as LED-based lighting. In lighting applications, the LED driver can offer a consistent and cost-effective LED light source, which can be configured to provide a range of LED light intensity and brightness levels.In mobile phone applications, the LED driver can offer LED lighting and backlighting with automated dimming, color temperature control and power conditioning. The driver is designed to efficiently control up to 12 LEDs. The current is internally-regulated, ensuring steady and consistent LED light output. The operating temperature range of the driver is -40°C to +125°C, ensuring a robust solution capable of withstanding harsh environmental conditions. The driver can also offer protection against over-voltage and over-current conditions, as well as adjustable over-temperature protection.

Working Principle

The LTC3219EUD#TRPBF integrates an internally-regulated current source, which controls the current flowing through the LEDs. The driver supports two different operating modes: dimming mode and normal mode. In dimming mode, the current is controlled through an I2C interface, allowing the current to be set at any brightness level desired. In normal mode, the current is preset and the driver controls the output current automatically. The driver is configured using on-theboard controls for sensing, dimming and temperature protection. The driver also features a status pin which indicates the status of the output current and the temperature. The LTC3219EUD#TRPBF includes a temperature monitor which automatically adjusts the LED current so it doesn’t exceed the maximum safe operating temperature. This provides a layer of protection for the LED display.

Conclusion

The LTC3219EUD#TRPBF is a highly integrated LED driver for phone display applications. It can provide LED backlighting with automated dimming, color temperature control, and power conditioning. The driver is designed to efficiently drive up to 12 LEDs and is capable of withstanding temperatures from -40°C to +125°C. It also provides over-voltage and over-current protection, adjustable over-temperature protection, and LED diagnostics. With its wide operating range and integrated features, the LTC3219EUD#TRPBF is the ideal LED driver solution for LED display applications.

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

Part Number	Manufacturer	Price	Quantity	Description