IRS25751LPBF Description
The IRS25751 is a 480V high-voltage start-up IC ideal for supplying initial supply starting current from a high-voltage bus. The IRS25751 supplies a constant current during start-up and then consumes ultra-low standby (off) current.
IRS25751LPBF Key Features
- Up to 480V voltage capability
- Constant output current (4.5mA)
- Programmable upper threshold level
- Fixed lower threshold (4.2V)
- ENN input
- Over-temperature shutdown
- Ultra-low off current (2.5µA)
- Internal 20.8V clamp on VOUT pin
- Excellent latch immunity on all inputs & outputs
- Integrated ESD protection on all pins