ICE3BR1765JZ
Electrical Characteristics
4.3.2
Internal Voltage Reference
Symbol
Parameter
Limit Values
Unit
Test Condition
min.
typ.
max.
5.10
Trimmed Reference Voltage
VREF
4.90
5.00
V
measured at pin FB
I
FB = 0
4.3.3
PWM Section
Parameter
Symbol
Limit Values
Unit
Test Condition
min.
56.5
59.8
-
typ.
65.0
65.0
±2.6
4.0
max.
Fixed Oscillator Frequency
fOSC1
fOSC2
fjitter
73.5
70.2
-
kHz
kHz
kHz
ms
Tj = 25°C
Tj = 25°C
Tj = 25°C
Frequency Jittering Range
Frequency Jittering period
Max. Duty Cycle
Tjitter
Dmax
-
-
0.70
0.75
0.80
Min. Duty Cycle
PWM-OP Gain
Dmin
0
-
-
VFB < 0.3V
AV
3.1
3.3
3.5
Voltage Ramp Offset
VOffset-Ramp
-
-
-
0.67
0.5
-
-
V
V
V
VFB Operating Range Min Level VFBmin
FB Operating Range Max level VFBmax
-
V
4.3
CS=1V, limited by
Comparator C41)
FB Pull-Up Resistor
RFB
9
15.4
22
kΩ
1)
The parameter is not subjected to production test - verified by design/characterization
4.3.4
Soft Start time
Parameter
Symbol
Limit Values
Unit
Test Condition
min.
typ.
max.
Soft Start time
tSS
-
20.0
-
ms
Version 2.0
21
12 Nov 2009
INFINEON [ Infineon ]
