Protection Unit; Current Limiting - Denon DRA-F107 Service Manual

4.4.4

Protection Unit

Parameter
Over Load & Open Loop
Detection Limit
Activation Limit of Overload &
Open Loop Detection
Deactivation Limit of
Overvoltage Detection
Overvoltage Detection Limit
Latched Thermal Shutdown
Spike Blanking
1)
The parameter is not subject to production test - verified by design/characterization
4.4.5

Current Limiting

Parameter
Peak Current Limitation
(incl. Propagation Delay Time)
Leading Edge Blanking
Symbol Limit Values
min. typ.
V 4.65 4.8
FB2
V 5.15 5.3
SoftS1
V 3.88 4.0
SoftS2
V 16 16.5
VCC1
T 130 140
jSD
t - 5
Spike
Symbol Limit Values
min.
V 0.95
csth
t -
LEB
51
DRA-F107 / DRA-F107DAB
Electrical Characteristics
Unit
max.
4.95 V
5.46 V
4.12 V
17.2 V
150 °C
- μs
Unit
typ. max.
1.0 1.05 V
220 - ns
Test Condition
V > 5.5V
SoftS
V > 5V
FB
V > 5V
FB
V > 17.5V
CC
V < 3.8V
SoftS
V > 5V
FB
1)
Test Condition
dV / dt = 0.6V/ s
sense