Denon DRA-F107 - Symbol Function

27
DRA-F107 / DRA-F107DAB
ICE2QS01 (IC93)
Pin Symbol Function
1 ZC Zero Crossing
2 REG Regulation
3 CS Primary Current Sensing
4, 5 HV High Voltage input
6 OUT gate driver out put
7 VCC IC supply voltage
8 GND Common ground
1
6
7
8
4
3
2
5
GNDZC
REG
CS
VCC
OUT
HV
HV
Blockdigram
GND
8
CS
3
REG
2
OUT
6
ZC
1
controller
V os
OLP
VCC
OVP
VCC
UVP
output
OVP
current limitation /
foldback correction
V
V
V
V
auto
restart
latch
off
current measurement
V
SWP
V
REF
R
ZCT2
VCCOVP
vccuvp
OPOVP
csSW
v1
power management
Reg
Vcsth
on/off FF
gate driver
PWM generator
Zero-crossing
counter
up/down
counter
HV
4, 5
VCC
7
power cell
V
OLP
active burst
control
ringing
suppression
time control
V
ZCT1