L6983I
Features
- Designed for iso-buck topology
- 3.5 V to 38 V operating input voltage
- Primary output voltage regulation / no optocoupler required
- 4.5 A source / sink peak primary current capability
- Peak current mode architecture in forced PWM operation
- 390 ns blanking time
- 200 k Hz to 1 MHz programmable switching frequency. Stable with low ESR capacitor: min 2 µF
- Internal pensation network
- 2 μA shutdown current
- Internal soft-start
- Enable
- Overvoltage protection
- Output voltage sequencing
- Thermal protection
- Optional spread spectrum for improved EMC
- Power Good
- Synchronization to external clock
- QFN16 (3x3 mm) package
Applications
- Isolated IGBT/Si C MOSFET gate drive supply
- OBC (On-board charger) for HEV/EV
- Electric traction systems
Description
The L6983I is a device specifically designed for isolated buck topology. The primary output voltage can be accurately adjusted, whereas the isolated secondary output is derived by using a given transformer ratio. No...
