ICE3A1065LJ Datasheet, PDF (18/26 Pages) Infineon Technologies AG – Power Management Supply

CoolSET™-F3
ICE3A1065LJ
Electrical Characteristics
4.3.3
PWM Section
Parameter
Fixed Oscillator Frequency
Frequency Jittering Range
Max. Duty Cycle
Symbol
f_OSC1
f_OSC2
f_jitter
D_max
min.
87
92
-
0.70
Limit Values
typ.
max.
100
113
100
108
±4.0 -
0.75 0.80
Min. Duty Cycle
D_min
0
-
-
PWM-OP Gain
A_V
3.0
3.2
3.4
Voltage Ramp Offset
V_Offset-Ramp
-
0.6
-
V_FB Operating Range Min Level V_FBmin
-
0.5
-
V_FB Operating Range Max level V_FBmax
-
-
4.3
FB Pull-Up Resistor
R_FB
9
15.4 22
Unit
kHz
kHz
kHz
V
V
V
kΩ
Test Condition
T_j = 25°C
T_j = 25°C
V_FB < 0.3V
CS=1V, limited by
Comparator C4¹⁾
1) _{The parameter is not subjected to production test - verified by design/characterization}
4.3.4
Soft Start time
Parameter
Soft Start time
Symbol
t_SS
min.
-
Limit Values
typ.
max.
20.0 -
Unit Test Condition
ms
4.3.5
Control Unit
Parameter
Symbol
Clamped V_BL voltage during
Normal Operating Mode
V_BLclmp
Blanking time voltage limit for
Comparator C3
V_BKC3
Over Load & Open Loop Detection V_FBC4
Limit for Comparator C4
Active Burst Mode Level for
Comparator C5
V_FBC5
Active Burst Mode Level for
Comparator C6a
V_FBC6a
min.
0.85
Limit Values
typ.
max.
0.90 0.95
3.85 4.00 4.15
4.28 4.50 4.72
1.23 1.35 1.43
3.48 3.61 3.76
Unit
V
V
V
V
V
Test Condition
V_FB = 4V
After Active Burst
Mode is entered
Version 2.4
18
19 Nov 2012