Datasheet

CoolSET
®
-F3
ICE3A1065ELJ
Representative Blockdiagram
Version 2.3 7 19 Nov 2012
2 Representative Blockdiagram
Internal Bias
Voltage
Reference
Oscillator
Duty Cycle
max
C11
x3.2
Current Limiting
PWM OP
Current Mode
Soft Start
C2
C1
24V
0.1V
R
FB
Power Management
C
BK
C
VCC
85 ... 270 VAC
C
Bulk
+
Con
v
DC
O
V
O
Spike
Blanking
8.0us
PWM
Comparator
C3
4.0V
C4
4.5V
Gate
Driver
0.72
Clock
R
Sense
10kΩ
D1
C6a
3.0V
C5
1.35V
C10
1.66V
R
S
Q
Auto
Restart
Mode
&
G7
&
G5
&
G9
1
G8
&
G1
1
G3
Thermal Shutdown
T
j
>140°C
0.9V
S1
1
Power-Down
Reset
Latched Off
Mode Reset
V
VCC
< 6.23V
Latched Off
Mode
CS
BL
GND
VCC
C7
C8
FB
PWM Section
Control Unit
FF1
C12
&
0.31V
Leading
Edge
Blanking
220ns
25kΩ
2pF
5.0V
G10
Spike
Blanking
190ns
1pF
Propagation-Delay
Compensation
5.0V
Undervoltage Lockout
V
csth
G2
-
ICE3Axx65ELJ / CoolSET
®
-F3 ( Latch & Jitter Mode )
Snubber
VCC Drain
CoolMOS
®
Startup Cell
C6b
&
G6
3.61V
&
G11
Active Burst
Mode
0.6V
10.5V
18V
Latch
Enable
Signal
T
LE
#1
#2
# : optional external components; #1 : C
BK
is used to extand the Blanking Time
#2 : T
LE
is used to enable the external Latch function
Freq. jitter
20ms
Blanking
Time
20ms Blanking
Time
8us Blanking Time
1 ms
counter
Soft
Start
Block
Soft-Start
Comparator
Spike
Blanking
8.0us
T2
3.25kΩ
5.0V
T1
T3 0.6V
I
BK
Figure 2 Representative Blockdiagram