參數(shù)資料
型號: TOP234Y
英文描述: 0-75 W Flyback design energy efficient
中文描述: 0-75糯反激式設計節(jié)能
文件頁數(shù): 27/36頁
文件大小: 650K
代理商: TOP234Y
TOP232-234
B
7/01
27
I
LIMIT
I
INIT
t
LEB
t
ILD
V
C(RESET)
R
DS(ON)
A
A
ns
ns
°
C
°
C
V
Conditions
(Unless Otherwise Specified)
See Figure 34
SOURCE = 0 V
;
T
J
= -40 to 125
°
C
Min
Typ
Max
Parameter
Symbol
Units
CIRCUIT PROTECTION
See Figure 33
T
J
= 25
°
C
T
J
= 25
°
C
T
J
= 100
°
C
T
J
= 25
°
C
T
J
= 100
°
C
T
J
= 25
°
C
T
J
= 100
°
C
TOP232
I
D
= 50 mA
TOP233
I
D
= 100 mA
TOP234
I
D
= 150 mA
OUTPUT
FREQUENCY INPUT
FREQUENCY Pin
Threshold Voltage
FREQUENCY Pin
Input Current
V
F
= V
C
V
F
I
F
0.465
0.500
0.535
0.930
1.000
1.070
1.395
1.500
1.605
0.75 x
I
LIMIT(MIN)
0.6 x
I
LIMIT(MIN)
200
100
125
135
150
70
2.0
3.3
4.3
15.6
25.7
7.8
12.9
5.2
8.6
18.0
30.0
9.0
15.0
6.0
10.0
Self Protection
Current Limit
Initial Current Limit
Leading Edge
Blanking Time
Current Limit Delay
Thermal Shutdown
Temperature
Thermal Shutdown
Hysteresis
Power-up Reset
Threshold Voltage
ON-State
Resistance
TOP232
T
J
= 25
°
C
TOP233
T
J
= 25
°
C
TOP234
T
J
= 25
°
C
85 VAC
(Rectified Line Input)
265 VAC
(Rectified Line Input)
I
C
= 4 mA
I
C
= 4 mA
Figure 34, S1 open
Internal; di/dt = 100mA/
μ
s
See Note C
Internal; di/dt = 200mA/
μ
s
See Note C
Internal; di/dt = 300mA/
μ
s
See Note C
See Note B
1.0
2.9
V
C
-1.0
V
10
22
40
μ
A
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