Datasheet

Version 2.3 22 19 Nov 2012
CoolSET
®
-F3
ICE3A1065ELJ
Electrical Characteristics
4.3.5 Control Unit
Parameter Symbol Limit Values Unit Test Condition
min. typ. max.
Clamped V
BL
voltage during
Normal Operating Mode
V
BLclmp
0.85 0.90 0.95 V V
FB
= 4V
Blanking time voltage limit for
Compa
rator C3
V
BKC3
3.85 4.00 4.15 V
Over Load & Open Loop Detection
Limi
t for Comparator C4
V
FBC4
4.28 4.50 4.72 V
Active Burst Mode Level for
Compa
rator C5
V
FBC5
1.23 1.35 1.43 V
Active Burst Mode Level for
Compa
rator C6a
V
FBC6a
3.48 3.61 3.76 V After Active Burst
Mode is entered
Active Burst Mode Level for
Compa
rator C6b
V
FBC6b
2.88 3.00 3.12 V After Active Burst
Mode is entered
Overvoltage Detection Limit V
VCCOVP
23 24 25 V V
FB
= 5V
Latch Enable level at BL pin V
LE
0.07 0.1 0.2 V > 30μs
Charging current at BL pin I
BK
5.8 8.4 10.9 μA Charge starts after the
built-in 20ms blanking
time elapsed
Latched Thermal Shutdown
1)
1)
The parameter is not subjected to production test - verified by design/characterization. The thermal shut down
temperature refers to the junction temperature of the controller.
T
jSD
130 140 150 °C
Built-in Blanking Time for
Over
load Protection or enter
Active Burst Mode
t
BK
- 20 - ms without external
capacitor at BL pin
Inhibit Time for Latch Enable
f
unction
during Start up
t
IHLE
- 1.0 - ms Count when VCC >
18V
Spike Blanking
Time before Latch off
or Auto Restart Protection
t
Spike
- 8.0 - μs
Power Down Reset for
Latched Mode
V
VCCPD
5.2 6.23 7.8 V After Latched Off Mode
is entered
Note: The trend of all the voltage levels in the Control Unit is the same regarding the deviation except V
VCCOVP
and V
VCCPD