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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)： | 6/21頁 |
| 文件大?。?/td> | 436K |
| 代理商： | TDA4700A |
TDA 4700
TDA 4718
Semiconductor Group
14
Comparator K2
Input current
Turn-OFF delay1)
Input voltage
Common-mode input
voltage range
–
I
I K2
t
D OFF
V
IK2
V
I C
0
1.8
5
2
500
5.5
A
ns
V
for duty cycle
D = 0
D = max.
Soft Start K3, K4
Charge current for
C
soft start
Discharge current for
C
soft start
Upper limiting voltage
Switching voltage K4
I
ch
I
dch
V
lim
V
K4
6
2
5
1.5
A
V
Operational Amplifier K1 (TDA 4700; TDA 4700 A)
Open-loop voltage
gain
Input offset voltage
Temperature
coefficient of
V
IO
Input current
Common-mode input
voltage range
Output current
Rise time of output
voltage
Transition frequency
Phase at
f
T
Output voltage
G
V0
V
IO
TC
–
I
I
V
IC
I
Q
V/t
f
T
T
V
Q H/L
60
–10
–30
0
–3
1.5
80
1
3
120
10
30
2
5
1.5
5.5
dB
mV
V/K
A
V
mA
V/
s
MHz
deg.
V
– 3 mA <
I < 1.5 mA
1)
At the input: step function
V = – 100 mV
V = + 100 mV
Characteristics (cont’d)
V
S = 11 to 30 V; TA = – 25to85 °C
Parameter
Symbol
Limit Values
Unit
Test
Condition
min.
typ.
max.
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