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參數(shù)資料
| 型號： | TDA4714C |
| 廠商： | SIEMENS A G |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | IC for Switched-Mode Power Supplies (SMPS) |
| 中文描述： | 0.07 A SWITCHING CONTROLLER, 100 kHz SWITCHING FREQ-MAX, PDIP14 |
| 封裝： | PLASTIC, DIP-14 |
| 文件頁數(shù)： | 10/17頁 |
| 文件大?。?/td> | 388K |
| 代理商： | TDA4714C |
TDA 4714 C
TDA 4716 C
Semiconductor Group
10
Characteristics
11 V <
V
S
< 30 V; – 25
°
C <
T
A
< 85
°
C
Parameter
Symbol
Limit Values
Unit
min.
typ.
max.
Supply current
C
T
= 1 nF
f
VCO
= 100 kHz
I
S
8
20
mA
Reference
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
V
REF
V
REF
V
REF
V
REF
TC
I
REF
2.475
2.500
8
15
0.25
10
2.525
15
0.4
V
mV
mV
mV
mV/K
mA
Oscillator (VCO)
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
f
/
f
f
/
f
f
/
f
C
T
R
T
40
– 1
– 7
0.82
5
0.5
1
10
100
1
7
47
700
kHz
%
%
%
μ
s
μ
s
nF
k
1)
Between 0
°
C and 70
°
C ambient temp.
V
REF
is reduced to max. 5 mV.
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|---|---|
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