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TDA4714C 查看數據表(PDF) - Infineon Technologies
零件编号
产品描述 (功能)
生产厂家
TDA4714C
IC for Switched-Mode Power Supplies (SMPS)
Infineon Technologies
TDA4714C Datasheet PDF : 17 Pages
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TDA 4714 C
TDA 4716 C
Characteristics
11 V <
V
S
< 30 V; – 25
°
C <
T
A
< 85
°
C
Parameter
Symbol
Limit Values
min.
typ. max.
Supply current
C
T
= 1 nF
f
VCO
= 100 kHz
Reference
I
S
8
20
Reference voltage,
T
A
= 25
°
C
I
REF
= 1 mA,
V
S
= 12 V
Voltage change
V
S
= 14 V
±
20 %
Voltage change
V
S
= 25 V
±
20 %
Voltage change
1)
0 mA <
I
REF
< 5 mA
Temperature coefficient
Response threshold
of
I
REF
overcurrent
Oscillator (VCO)
V
REF
∆
V
REF
∆
V
REF
∆
V
REF
TC
I
REF
2.475
2.500 2.525
8
15
15
0.25 0.4
10
Frequency range
Frequency change
V
S
= 14 V
±
20 %
Frequency change
V
S
= 25 V
±
20 %
Tolerance
∆
R
T
= 0;
∆
C
T
= 0
Fall time sawtooth
C
T
= 1 nF
C
T
= 10 nF
RC combination
VCO
f
40
∆
f
/
f
∆
f
/
f
–1
∆
f
/
f
–7
C
T
0.82
R
T
5
100
0.5
1
7
1
10
47
700
1)
Between 0
°
C and 70
°
C ambient temp.
∆
V
REF
is reduced to max. 5 mV.
Unit
mA
V
mV
mV
mV
mV/K
mA
kHz
%
%
%
µ
s
µ
s
nF
k
Ω
Semiconductor Group
10
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