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ICE3RBR1765JZ Datasheet, PDF (21/31 Pages) Infineon Technologies AG – Off-Line SMPS Current Mode Controller with integrated 650V | |||
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4.3.2
Internal Voltage Reference
Parameter
Symbol
Trimmed Reference Voltage
VREF
ICE3RBR1765JZ
Electrical Characteristics
min.
4.90
Limit Values
typ.
max.
5.00 5.10
Unit Test Condition
V
measured at pin FB
IFB = 0
4.3.3
PWM Section
Parameter
Fixed Oscillator Frequency
Frequency Jittering Range
Frequency Jittering period
Max. Duty Cycle
Symbol
fOSC1
fOSC2
fjitter
Tjitter
Dmax
min.
54.5
59.8
-
-
0.70
Limit Values
typ.
max.
65.0 73.5
65.0 70.2
±2.6 -
4.0
-
0.75 0.80
Min. Duty Cycle
Dmin
0
-
-
PWM-OP Gain
AV
3.1
3.3
3.5
Voltage Ramp Offset
VOffset-Ramp
-
0.67 -
VFB Operating Range Min Level VFBmin
-
0.5
-
VFB Operating Range Max level VFBmax
-
-
4.3
FB Pull-Up Resistor
RFB
9
15.4 23
Unit
kHz
kHz
kHz
ms
V
V
V
kΩ
Test Condition
Tj = 25°C
Tj = 25°C
Tj = 25°C
VFB < 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
tSS
min.
-
Limit Values
typ.
max.
20.0 -
Unit Test Condition
ms
Version 2.0
21
7 Jun 2013
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