LM5146
Features
2 Applications
- Functional Safety-Capable
- Documentation available to aid functional safety system design
- Versatile synchronous buck DC/DC controller
- Wide input voltage range of 5.5 V to 100 V
- 150°C maximum junction temperature
- 0.8-V reference with ±1% feedback accuracy
- Adjustable output voltage from 0.8 V to 60 V
- 40-ns t ON(min) for high VIN / VOUT ratio
- 140-ns t OFF(min) for low dropout
- Lossless RDS(on) or shunt current sensing
- Optimized for CISPR 11 and CISPR 32 Class B
EMI requirements
- Switching frequency from 100 k Hz to 1 MHz
- SYNC in and SYNC out capability
- Selectable diode emulation or FPWM
- 7.5-V gate drivers for standard VTH MOSFETs
- 14-ns adaptive dead-time control
- 2.3-A source and 3.5-A sink capability
- Fast line and load transient response
- Voltage-mode control with line feedforward
- High gain-bandwidth error amplifier
- Inherent protection features for robust design
- Adjustable output voltage soft start
- Hiccup-mode overcurrent...
