ice3ar4780jz Infineon Technologies Corporation, ice3ar4780jz Datasheet - Page 24

• Manufacturer Part Number: ice3ar4780jz
• Description: Off-line Smps Current Mode Controller With Integrated 800v Coolmos And Startup Cell Brownout & Frequency Jitter In Dip- 7
• Manufacturer: Infineon Technologies Corporation

4.3.2
Trimmed Reference Voltage
4.3.3
Fixed Oscillator Frequency
Frequency Jittering Range
Frequency Jittering period
Max. Duty Cycle
Min. Duty Cycle
PWM-OP Gain
Voltage Ramp Offset
V
V
FBB Pull-Up Resistor
1)
4.3.4
Soft Start time
4.3.5
Brownout reference voltage for
comparator C14
Blanking time voltage lower limit for
Comparator C3
Version 2.0
FBB
FBB
The parameter is not subjected to production test - verified by design/characterization
Operating Range Min Level
Operating Range Max level
Parameter
Parameter
Parameter
Internal Voltage Reference
PWM Section
Soft Start time
Control Unit
Parameter
V
Symbol
Symbol
Symbol
Offset-Ramp
V
V
f
f
D
V
T
D
f
R
OSC1
OSC2
FBmax
A
FBmin
jitter
t
REF
jitter
max
SS
min
FB
V
Symbol
V
V
BO_ref
BKC3
min.
min.
min.
4.90
0.70
3.05
9.0
87
92
0
-
-
-
-
-
-
min.
0.80
0.80
24
Limit Values
Limit Values
Limit Values
Limit Values
5.00
±4.0
0.75
3.25
0.60
15.4
typ.
typ.
typ.
100
100
4.0
0.7
10
-
-
0.90
0.90
typ.
max.
max.
max.
5.10
0.80
3.45
22.0
113
108
4.3
-
-
-
-
-
-
max.
1.00
1.00
Unit
Unit
Unit
ms
kHz
kHz
kHz
V
kΩ
Electrical Characteristics
ms
V
V
V
V
V
Unit
measured at pin FBB
I
FBB
CoolSET
T
T
T
V
CS=1V, limited by
Comparator C4
j
j
j
FBB
= 25°C
= 25°C
= 25°C
= 0
ICE3AR4780JZ
Test Condition
Test Condition
Test Condition
Test Condition
< 0.3V
26 Aug 2010
®
-F3R80
1)