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參數(shù)資料
| 型號(hào)： | TDA4605-3 |
| 廠商： | SIEMENS A G |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Control IC for Switched-Mode Power Supplies using MOS-Transistor |
| 中文描述： | 1.5 A SWITCHING CONTROLLER, 40 kHz SWITCHING FREQ-MAX, PDIP8 |
| 文件頁(yè)數(shù)： | 3/6頁(yè) |
| 文件大?。?/td> | 63K |
| 代理商： | TDA4605-3 |
ABSOLUTE MAXIMUM RATINGS
Symbol
V
1
V
2
V
3
V
4
V
6
V
7
I
1
I
2
I
3
I
4
I
5
I
6
I
7
I
8
T
j
T
stg
Parameter
Pin
1
2
3
4
6
7
1
2
3
4
5
6
7
8
Value
-0.3, +3
-0.3
-0.3
-0.3
-0.3, +20
-0.3
3
3
3
- 1.5
-0.5, +1.5
0.5
3
-3, +3
+125
-40, +125
Unit
V
V
V
V
V
V
mA
mA
mA
A
A
A
mA
mA
o
C
o
C
Supply Voltage
Supply Current
t
p
≤
50
μ
s, V
≤
0.1
t
p
≤
50
μ
s, V
≤
0.1
t
p
≤
50
μ
s, V
≤
0.1
Junction Temperature (autom. thermaldisjunction)
Storage Temperature
4
THERMAL DATA
Symbol
R
th(j-a)
R
th(j-c)
T
amb
Parameter
Value
80
45
-20, +85
Unit
o
C/W
o
C/W
o
C
Junction-ambient Thermal Resistance
Junction-case Thermal Resistance
Ambient Temperature
4
ELECTRICAL CHARACTERISTICS
(V
CC
= 10V,T
amb
= 25
o
C, unlessotherwisespecified)
Symbol
START-UP HYSTERESIS
I
6E0
Start-up Current Drain
V
6E
Switch-on Voltage
V
6A
Switch-off Voltage
I
6E1
Switch-on Current
I
6A1
Switch-off Current
VOLTAGE CLAMP (V
6
= 10V, IC Switched off)
V
2(Max.)
At Pin 2 (V
6
< V
6E
)
V
3(Max.)
At Pin 3 (V
6
< V
6E
)
CONTROL RANGE
V
1R
Control Input Voltage
-V
R
Voltage Gain of the Control Circuit in the Control
Range
PRIMARY CURRENT SIMULATION VOLTAGE
V
2B
Basic Value
OVERLOAD RANGE AND SHORT CIRCUIT OPERATION
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
6
= V
6E
0.6
12
5
11
10
0.8
13
5.5
mA
V
V
mA
mA
11
4.5
V
6
= V
6E
V
6
= V
6A
I
2
= 1mA
I
3
= 1mA
5.6
5.6
6.6
6.6
9
9
V
V
400
410
43
420
mV
dB
V
= d(V
2S
- V
2B
)/dV
1
f = 1kHz
0.955
1.00
1.03
V
V
2O
DV
2
V
2S
Peak Value in the Range of Secondary Overload
Maximum Ramp Amplitude
Peak Value in the Range of Secondary Short
Circuit Operation
FOLDBACK POINT CORRECTION
-I
2
Foldback Point Correction Current
V
1
= V
1R
- 10mV
V
2O
- V
2B
V
1
= 0
2.8
1.82
2.3
2.95
1.95
2.5
3.1
2.08
2.7
V
V
V
V
3
= 3.7V
300
500
650
μ
A
4
TDA4605
3/6
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