DAP005
Features
Advanced transition-mode PFC controller
Custom Data
- Transition-mode control of PFC pre-regulators
- Very precise adjustable output overvoltage protection
- Tracking boost function
- Protection against feedback loop failure (Latched shutdown)
- Interface for cascaded converter's PWM controller
- Input voltage feedforward (1/V2)
- AC brownout protection
- Low (≤ 90µA) start-up current
- < 5m A quiescent current
- 1.4% (@ TJ = 25°C) internal reference voltage
- -600/+800 m A totem pole gate driver with active pull-down during UVLO
- SO14 package
SO-14
Applications
PFC pre-regulators for:
- HI-END AC-DC adapter/charger
- Desktop PC, server, WEB server
- IEC61000-3-2 OR JEIDA-MITI pliant
SMPS, in excess of 250W
Table 1. Device summary
Part number
Package
SO-14
DAP005TR
SO-14
Packaging Tube
Tape & Reel
Figure 1.
Block diagram
VCC GND ZCD AC_OK
TRACKING BOOST
6 1:1 CURRENT MIRROR
1:1 BUFFER 3V
INV...
