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TB62779FNGO,EL
TB62779FNG TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic TB62779FNG 9-Channel Constant-Current LED Driver of the 3.3-V and 5-V Power Supply Voltage Operation The TB62779FNG is a constant-current driver designed for LED and LED display lighting. The TB62779FNG incorporates nine channels of seven-bit PWM dimming controllers and constant-current drivers. Nine constant-current drivers are divided into three blocks, each consisting of three drivers, and the output current of each can be independently adjusted by the relevant external resistor. The TB62779FNG is controlled using the DATA and CLK input signals. Up to 64 slave IDs (slave addresses) can be independently assigned to the TB62779FNG. Fabricated using the Bi-CMOS process, the TB62779FNG is capable of high-speed data transfers. The TB62779FNG operates with a supply voltage of 3.3 V or 5 V. The TB62779FNG is RoHS (2002/95/EL) compliant. Weight: 0.10 g (typ.) 1. Features • Power supply voltages: VCC = 3.3 V/5 V • Output drive capability and output count: 80 mA (max)× 9 channels • Constant-current output range: 5 to 40 mA • Voltage applied to constant-current output terminals: 0.4 V(min) (IOUT = 5 to 40 mA) • Designed for common-anode LEDs • The input interface is controlled by the DATA and CLK signal lines. • Thermal shutdown (TSD) (min: 150°C) • Logical Input signal voltage level: 3.3-V and 5-V CMOS interfaces (Schmitt trigger input) • Maximum output voltage: 28 V • Incorporates PWM control circuitry: Provides seven-bit PWM control. • Driver identification: Up to 64 drivers can be controlled individually. • Operating temperature range: Topr = −40 to 85°C • Package: SSOP20-P-225-0.65A • Constant-current accuracy Output Voltage Current accuracy Between Channels Current Accuracy Between ICs Output Current 0.4 V to 4 V ±3% ±6% 15 mA © 2014 TOSHIBA Corporation 1 2014-10-01
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