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Part Name
Description
TDA4700 View Datasheet(PDF) - Infineon Technologies
Part Name
Description
Manufacturer
TDA4700
Control IC for single-ended and push-pull switching-mode power supplies
Infineon Technologies
TDA4700 Datasheet PDF : 21 Pages
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TDA 4700
TDA 4718
Operating Range
Parameter
Symbol
Limit Values
min. max.
Unit Test
Condition
Supply voltage
V
S
Ambient temperature
TDA 4700
TDA 4718
T
A
TDA 4700 A
TDA 4718 A
T
A
VCO frequency
f
Ramp generator frequency
f
RG
10.5
30
V
– 25
85
°
C
0
70
°
C
40
250 000 Hz
40
250 000 Hz
Characteristics
V
S
= 11 to 30 V;
T
A
= – 25 to 85
°
C
Parameter
Symbol
Limit Values
min.
typ. max.
Supply current
I
S
8
20
Reference
Reference voltage
Reference voltage
change
Reference voltage
change
Reference voltage
change
Temperature
coefficient
Response threshold
of
I
REF
overcurrent
V
REF
∆
V
REF
∆
V
REF
∆
V
REF
TC
I
REF
2.35
2.5 2.65
8
15
15
1)
0.25 0.4
10
1)
At
T
A
= 0 to 70
°
C, this value falls to max. 5 mV
Unit Test
Condition
mA
C
T
= 1 nF
f
VCO
= 100 kHz
V
0 mA <
I
REF
< 5 mA
mV 14 V
±
20 %
mV 25 V
±
20 %
mV
0 mA <
I
REF
< 5 mA
mV/K
mA
Semiconductor Group
12
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