APE6019 Datasheet, PDF (3/6 Pages) Advanced Power Electronics Corp. – SYNCHRONOUS RECTIFIER DRIVER

Advanced Power
Electronics Corp.
WAVEFORM DEFINITIONS
APE6019
PIN DESCRIPTIONS
PIN SYMBOL
Timing
Pred
VR
Adj
GND
MOSG-C
V_DD
SYNC
PIN DESCRIPTION
Discontinuous current filter timing adjustment resistor connection.
Capacitor to store previous cycle timing for SR MOSFET
Voltage Regulator
Trigger point adjustment for Dynamic state.
Ground connection.
Catch MOSFET gate drive.
DC supply voltage.
Synchronized signal from the VDS of SR MOSFET
BLOCK DIAGRAM
VR
Vdd
REGULATOR
UVLO
SYNC
Falling
Edge
0. 9V
Detector
Timing
Adj
3. 9V
Duty
Trigger
Control
∆T
P rediction
VR
Main
Control
Star
Stop
Gate
Driver
MOSG-C
Pred
GND
3