TD8201

White LED Step-up Converter; l? Drives Up to 5 Series White LEDs from 3V\nl? Up to 87% Efficiency\nl? 1.25MHz Fixed Switching Frequency\nl? Low 104mV Feedback Voltage\nl? Open Load Shutdown\nl? PWM Dimming\nl? SOT23-6 Packages;

The TD8201 is a step-up DC/DC converter designed for driving up to 5 white LEDs in series from a single cell Lithium Ion battery with constant current. Because it directly regulates output current, the TD8201 is ideal for driving ?light ?emitting ?diodes ?(LEDs) ?whose ?light intensity is proportional to the current passing through them, not the voltage across their terminals. A single external resistor sets LED current between 2mA and 20mA, which can then be easily adjusted using either a DC voltage or a pulse width modulated (PWM) signal up ?to ?100KHz. ?Its ?low ?104mV ?feedback ?voltage reduces power loss and improves efficiency. The OV pin ?monitors ?the ?output ?voltage ?and ?turns ?off ?the converter if an over-voltage condition is present due to an open circuit condition. The TD8201 is available in SOT23-6 packages.

TD8201

White LED Step-up Converter

TISP8201HDM

COMPLEMENTARYBUFFERED-GATESCRSFORDUALPOLARITYSLICOVERVOLTAGEPROTECTION

TISP8201HDMR-S

GR-1089-COREDualSupplyVoltage

TISP8201M

COMPLEMENTARYBUFFERED-GATESCRSFORDUALPOLARITYSLICOVERVOLTAGEPROTECTION