CAT4134 Overview
The CAT4134 is a high power, dual channel boost converter which provides two matched LED currents. Output current levels are controlled by one of two resistors RSET or RFLASH. When the FLASH input pin is low (movie mode), RSET sets the current.
CAT4134 Key Features
- Dual Mode (Movie or Flash) Operation
- Independent Movie/Flash LED Current Control
- Can Drive 2, 3, 4 or 6 LEDs
- High LED Current (250 mA Max per Channel)
- Power Efficiency up to 85%
- Dual Frequency Mode 1.2 MHz and 900 kHz
- Soft-start Inrush Current
- Adjustable Overvoltage Protection
- Thermal Shutdown Protection
- Operating Temperature Range -40°C to +85°C