Описание
AC DC Controller Off-Line Switcher with Accurate Primary-Side Regulation Single 85VAC to 265VAC Flyback 11-Pin eDIP-12B
- EcoSmart™- Energy Efficient
- Multi-mode control maximizes efficiency over full load range
- No-load consumption below 30 mW at 230 VAC (LNK67xx)
- >75% efficiency with 1 W input at 230 VAC
- >50% efficiency with 0.1 W input at 230 VAC
- High Design Flexibility for Low System Cost
- Dramatically simplifies power supply designs
- Eliminates optocoupler and all secondary control circuitry
- ±5% or better output voltage tolerance
- 132 kHz operation reduces transformer and power supply size
- Accurate programmable current limit
- Compensation over line limits overload power
- Frequency jittering reduces EMI filter cost
- Fully integrated soft-start for minimum start-up stress
- 725 V MOSFET simplifies meeting derating requirements (LNK677x)
- 650 V MOSFET for lowest system cost (LNK676x/LNK666x)
- Fast transient response family option (LNK666x)
- Extensive Protection Features
- Auto-restart limits power delivery to 3% during overload faults
- Output short-circuit protection (SCP)
- Output overload/over-current protection (OPP, OCP)
- Optional extended shutdown delay time
- Output overvoltage protection (OVP), auto-restart or latching
- Line brown-in/out protection (line UV)
- Line overvoltage (OV) shutdown extends line surge withstand
- Accurate thermal shutdown (OTP), hysteretic or latching
- Advanced Green Package Options
- eSIP™-7C package:
- Vertical orientation for minimum PCB footprint
- Simple heat sink mounting using clip or adhesive pad
- eSOP™-12B package:
- Low profile surface mounted for ultra-slim designs
- Heat transfer to PCB via exposed pad and SOURCE pins
- Supports either wave or IR reflow soldering
- eDIP™-12B package:
- Low profile through-hole mounted for ultra-slim designs
- Heat transfer to PCB via exposed pad or optional metal heat sink
- Extended creepage to DRAIN pin
- Heat sink is connected to SOURCE for low EMI
- Halogen free and RoHS compliant