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(shè)計節(jié)能
文件頁數(shù): 25/36頁
文件大小: 650K
代理商: TOP234Y
TOP232-234
B
7/01
25
CONTROL FUNCTIONS (cont.)
Conditions
(Unless Otherwise Specified)
See Figure 34
SOURCE = 0 V
;
T
J
= -40 to 125
°
C
Min
Typ
Max
Parameter
Symbol
Units
See Note A
See Figure 4
T
J
= 25
°
C
I
C
= 4 mA; T
= 25
°
C
See Figure 32
l
B
Z
C
PWM Gain
Temperature Drift
External Bias
Current
CONTROL
Current at Start of
Cycle Skipping
Dynamic
Impedance
Dynamic
Impedance
Temperature Drift
Control Pin
Internal Filter Pole
%/mA/
°
C
mA
mA
%/
°
C
kHz
SHUTDOWN/AUTO-RESTART
V
C
= 0 V
V
C
= 5 V
l
C (CH)
v
C(AR)
Control Pin
Charging Current
Charging Current
Temperature Drift
Auto-restart Upper
Threshold Voltage
Auto-restart Lower
Threshold Voltage
Auto-restart
Hysteresis Voltage
Auto-restart Duty
Cycle
Auto-restart
Frequency
mA
%/
°
C
V
V
V
%
Hz
-5.0
-3.0
-3.8
-1.9
-2.6
-0.8
0.5
5.8
4.5
4.8
5.1
0.8
1.0
2
4
8
1.0
T
J
= 25
°
C
See Note A
- 0.01
1.2
1.9
2.8
5.9
7.5
10
15
22
0.18
7
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