High Efficiency, Wide Voltage Range High Current, LED Controller
- Wide range input voltage up to Vout
- Wide range IC bias input: 4.5V~30V
- Capable of driving over 80 LEDs in one string
- High efficiency LED driver (up to 95%)
- 8V gate drivers for external Power MOSFETs
- Adjustable switching frequency
- Adjustable current limiting
- Adjustable loop compensation
- Adjustable softstart and slope compensation
- Wide PWM dimming frequency range
- Very accurate LED current
- KTD353:+/-3%
- KTD353A:+/-2%
- Stable with small ceramic output capacitance
- LED string short to ground protection
- LED short and open protection
- Boost converter output short to GND protect
- Output over-voltage protection
- Pb-free Package: SOIC-16 and TQFN33-16
- -40 to +85˚C Temperature Range
Applications
- LCD TV and monitors
- LED lighting
- Other LED applications
Key Electrical Specifications
Vin(Min) |
Vin(Max) |
Maximum # of LED Channel |
Channels |
Control Type |
Package |
2.7V |
5.5V |
80 |
1 |
PWM |
SOIC-16, TQFN3x3-16 |
Typical Application Diagram