TPS923654DGNR中文资料德州仪器数据手册PDF规格书

1 Features

• 4.5-V to 65-V wide input range

• LED common cathode connection

• Integrated 300-mΩ/150-mΩ MOSFET for 2-A/4-A

continuous output current

• Optional switching frequency: 100 kHz ~ 2.2 MHz

• Spread spectrum for TPS923653 and the

TPS923655

• Advanced dimming options:

– Analog dimming (256:1)

– Fast PWM dimming (200-ns pulse width)

– Hybrid and flexible dimming (2000:1 at 20-kHz

PWM, 10,000:1 at 4-kHz PWM, 1,000,000:1 at

120-Hz PWM)

• CV charging mode

• Full protection features:

– LED open and short protection

– Cycle-by-cycle current limit

– Thermal shutdown

– Switching FET failure protection

– External component failure protection

– Fault output (open drain)

• Configurable thermal foldback curve

• SON, SOT and SOP package options