Features
• VIN Range: 2.7V to 5.5V
• Fully Programmable Current with Single Wire
▪ 16-Step Logarithmic Scale
▪ 15/20/30mA Max Current
▪ Four Low-Current Settings Down to 115μA
▪ Low IQ (65μA) for Single-Channel, Low-Current
Mode
• Tri-Mode 1X, 1.5X, and 2X Charge Pump for Maximum
Efficiency and VF Coverage
• Drives Up to Six LEDs
• Individual Main-Sub (5-1) Group Control
• No Inductors, Low Noise Operation
• 1MHz Constant Switching Frequency
• Small Application Circuit
• Built-In Thermal Protection
• Built-In Auto-Disable for Open Circuit
• Automatic Soft Start
• IQ <1μA in Shutdown
• Thermally-Enhanced TDFN33-14, STDFN33-14,
QFN44-16, or TSOPJW-14 Package