onsemi CAT3644HV3-GT2

Lead Free RoHS Compliant NO LEAD QUAD IC LED Driver -40C~85C TA 1MHz~1.3MHz 3.6V 25mA

CAT3644HV3-GT2, LED DISPLAY DRIVER 4-SEGMENTS, 2.5 - 5.5 V, 16-PIN TDFN

LED Driver 4 Segment 16-Pin TQFN T/R

LED DRIVER, 4CH, QUAD MODE, TQFN3

IC LED DRV RGLT MULT-STEP 16TQFN

IC LED DRIVER RGLTR DIM 16TQFN

LED DRIVER, 4CH, QUAD MODE, TQFN3; Device Topology: Charge Pump; No. of Outputs: 4Outputs; Output Current: 25mA; Output Voltage: 7V; Driver Case Style: TQFN; No. of Pins: 16Pins; Input Voltage Min: 2.5V; Input Voltage Max: 5.5V;

The CAT3644 is a high efficiency Quad-Mode fractional charge pump that can drive up to four LEDs programmable by a one wire digital interface. The inclusion of a 1.33x fractional charge pump mode increases device efficiency by up to 10% over traditional 1.5x charge pumps with no added external capacitors. Low noise input ripple is achieved by operating at a constant switching frequency which allows the use of small external ceramic capacitors. The multi-fractional charge pump supports a wide range of input voltages from 2.5V to 5.5V. The EN/DIM logic input functions as a chip enable and a digital dimming interface for current setting of all LEDs. Six different current ratios are available via the interface. The device is available in the tiny 16-pad TQFN 3mm x 3mm package with a max height of 0.8mm. ON Semiconductors Quad-Mode 1.33x charge pump switching architecture is patented.