TPS92381PWPR TI
Available
TPS92381PWPR TI
- 3-, 4-Channel 120-mA current sinks
- High dimming ratio of 10 000:1 at 100 Hz
- Current matching 1% (typical)
- LED String current up to 120 mA per channel
- Outputs can be combined externally for higher current per string
- Integrated boost and SEPIC converter for LED string power
- Input voltage operating range 4.5 V to 40 V
- Output voltage up to 45 V
- Integrated 3.3-A switch FET
- Switching frequency 300 kHz to 2.2 MHz
- Switching synchronization input
- Spread spectrum for lower EMI
- Fault detection and protection
- Fault output
- Input voltage OVP, UVLO and OCP
- Boost block SW OVP and output OVP
- LED open and short fault detection
- Thermal shutdown
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