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參數(shù)資料
| 型號： | TDA4700A |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.07 A SWITCHING CONTROLLER, 100 kHz SWITCHING FREQ-MAX, PDIP24 |
| 封裝： | PLASTIC, DIP-24 |
| 文件頁數(shù)： | 4/21頁 |
| 文件大?。?/td> | 436K |
| 代理商： | TDA4700A |
TDA 4700
TDA 4718
Semiconductor Group
12
Operating Range
Parameter
Symbol
Limit Values
Unit
Test
Condition
min.
max.
Supply voltage
V
S
10.5
30
V
Ambient temperature
TDA 4700
TDA 4718
TDA 4700 A
TDA 4718 A
T
A
T
A
–25
0
85
70
°C
VCO frequency
Ramp generator frequency
f
RG
40
250 000
Hz
Characteristics
V
S = 11 to 30 V; TA = – 25to85 °C
Parameter
Symbol
Limit Values
Unit
Test
Condition
min.
typ.
max.
Supply current
I
S
820
mA
C
T = 1 nF
f
VCO = 100 kHz
Reference
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
8
15
0.25
10
2.65
151)
0.4
V
mV
mV/K
mA
0 mA <
I
REF < 5 mA
14 V
± 20 %
25 V
± 20 %
0 mA <
I
REF < 5 mA
1)
At
T
A = 0 to 70
°C, this value falls to max. 5 mV
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