參數(shù)資料
型號: TDA 4605-3
廠商: SIEMENS AG
英文描述: Control IC for Switched-Mode Power Supplies using MOS-transistors(開關(guān)模式電源控制IC)
中文描述: 控制芯片的開關(guān)模式電源使用馬鞍山晶體管(開關(guān)模式電源控制集成電路)
文件頁數(shù): 10/20頁
文件大?。?/td> 557K
代理商: TDA 4605-3
Semiconductor Group
83
TDA 4605-3
Characteristics
T
A
= 25 C;
V
S
= 10 V
Parameter
Symbol
Limit Values
Unit
Test Condition
Test
Circuit
min.
typ.
max.
Start-Up Hysteresis
Start-up current drain
I
6E0
Switch-on voltage
0.6
0.8
mA
V
6
=
V
6E
1
V
6E
V
6A
I
6E1
I
6A1
11
12
13
V
1
Switch-off voltage
4.5
5
5.5
V
1
Switch-on current
7
11
14
mA
V
6
=
V
6E
V
6
=
V
6A
1
Switch-off current
5
10
13
mA
1
Voltage Clamp (
V
6
= 10 V, IC switched off)
At pin 2 (
V
6
V
6E
)
At pin 3 (
V
6
V
6E
)
V
2 max
V
3 max
5.6
5.6
6.6
6.6
8
8
V
V
I
2
= 1 mA
I
3
= 1 mA
1
1
Control Range
Control input voltage
V
1R
V
R
390
400
410
mV
2
Voltage gain of the
control circuit in the
control range
30
43
60
dB
V
R
= d
(
V
2S
V
2B
) / – d
V
1
f
= 1 kHz
2
Primary Current Simulation Voltage
Basic value
V
2B
0.97
1.00
1.03
V
2
Overload Range and Short-Circuit Operation
V
2B
Peak value in the
range of secondary
overload
2.9
3.0
3.1
V
V
1
=
V
1R
– 10 mV
2
Peak value in the
range of secondary
short-circuit operation
V
2K
2.2
2.4
2.6
V
V
1
= 0 V
2
Fold-Back Point Correction
Fold-back point
correction current
I
2
300
500
650
μ
A
V
3
= 3.7 V
1
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