LT3597
Description
LED Driver The LT®3597 is a 60V triple step-down LED driver capable of achieving 10,000:1 digital PWM dimming at 100Hz with fast NPN current sources driving up to 10 LEDs in each channel.
Key Features
- n Three 100mA Buck Regulators, Each Drives Up to 10 LEDs with Fast NPN Current Sources
- Fast Current Sources for <1µs Pulse Widths (10,000:1 True Color PWM™ Dimming at 100Hz)
- LEDs Disconnected in Shutdown
- Adaptive VOUT for Increased Efficiency n 6V to 60V Input Voltage Range n ±2% LED Current Matching
- External Resistor Sets LED Current for Each Channel
- Internal pensation and Soft-Start
- Programmable Switching Frequency (200kHz to 1MHz)
- Synchronizable to External Clock
- Open LED Detection and Reporting
- Shorted LED Pin Protection and Reporting
Applications
- Mono, Multi, Full-Color LED Displays
