CoolSET™-F3
Electrical Characteristics
4.3.3
Internal Voltage Reference
Symbol
Parameter
Limit Values
Unit
Test Condition
min.
typ.
max.
6.63
Trimmed Reference Voltage
VREF
6.37
6.50
V
measured at pin FB
IFB = 0
4.3.4
PWM Section
Parameter
Symbol
Limit Values
Unit
Test Condition
min.
typ.
max.
Fixed Oscillator
Frequency
ICE3Axx65
ICE3Axx65Z
ICE3Axx65I
ICE3Axx65P
fOSC1
fOSC2
fOSC1
fOSC2
92
100
108
106
73
kHz
kHz
kHz
kHz
94
61
63
100
67
Tj = 25°C
Fixed Oscillator
Frequency
ICE3Bxx65
ICE3Bxx65I
ICE3Bxx65P
67
71
Tj = 25°C
Max. Duty Cycle
Min. Duty Cycle
PWM-OP Gain
Dmax
Dmin
0.67
0
0.72
-
0.77
-
VFB < 0.3V
AV
3.5
-
3.7
0.85
0.7
3.9
Voltage Ramp Max Level
VMax-Ramp
VFBmin
-
-
V
V
VFB Operating Range Min Level
0.3
VFB Operating Range Max level
VFBmax
-
-
4.75
V
CS=1V, limited by
Comparator C41)
FB Pull-Up Resistor
SoftS Pull-Up Resistor
1)
RFB
16
39
20
50
27
62
kΩ
kΩ
RSoftS
Design characteristic (not meant for production testing)
Version 1.3
24
15 Sep 2004