Linear Technology LT3466
The LT3466 is ideal for providing backlight for main and sub-displays in cell phones and other handheld devices. The LT3466 operating frequency can be set with an external resistor over a 200kHz to 2MHz range. The LT3466 is available in the 10-pin (3mm × 3mm × 0.75mm) DFN and 16-pin thermally enhanced TSSOP packages.| Part No. | LT3466 |
|---|---|
| Datasheet | LT3466 Download |
| Manufacturer |  Linear Technology |
| Description | Dual Full Function White LED Step-Up Converter |
| Buy | Stock & Price |
FEATURES
● Drives Up to 20 White LEDs (10 in Series per Converter) from a 3.6V Supply● Two Independent Step-Up Converters Capable of Driving Asymmetric LED Strings
● Independent Dimming and Shutdown Control of the Two LED Strings
● Internal Schottky Diodes
● Internal Soft-Start Eliminates Inrush Current
● Open LED Protection (39.5V Max VOUT)
● Fixed Frequency Operation Up to 2MHz
● 81% Efficiency Driving 16 White LEDs at 15mA (Eight per Driver) from a 3.6V Supply
● Wide Input Voltage Range: 2.7V to 24V
● Available in 10-Pin DFN and 16-Pin Thermally Enhanced TSSOP Packages U APPLICATIO S
● Main/Sub Displays
● Digital Cameras, Sub-Notebook PCs
● PDAs, Handheld Computers
● Automotive LT3466 Dual Full Function White LED Step-Up Converter with Built-In Schottky Diodes DESCRIPTIO LT®3466 is a dual full function step-up DC/DC converter specifically designed to drive up to 20 White LEDs (10 in series per converter) with a constant current. Series connection of the LEDs provides identical LED currents resulting in uniform brightness and eliminating the need for ballast resistors and expensive factory calibration.
