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| 型號(hào)： | 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(jì)節(jié)能 |
| 文件頁數(shù)： | 28/36頁 |
| 文件大小： | 650K |
| 代理商： | TOP234Y |
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TOP232-234
28
B
7/01
100
50
36
5.60
5.85
6.10
±
50
1.0
1.5
2.0
0.3
0.6
1.0
ns
ns
V
V
ppm/
°
C
mA
Conditions
(Unless Otherwise Specified)
See Figure 34
SOURCE = 0 V
;
T
J
= -40 to 125
°
C
Min
Typ
Max
Parameter
Symbol
Units
t
R
t
F
V
C(SHUNT)
l
CD1
l
CD2
Measured in a Typical
Flyback Converter Application
See Note D
I
C
= 4 mA
Output
MOSFET Enabled
V
M
= 0 V
Output
MOSFET Disabled
V
M
= 0 V
SUPPLY VOLTAGE CHARACTERISTICS
OUTPUT (cont.)
Off-State
Current
Breakdown
Voltage
Rise
Time
I
DSS
BV
DSS
150
μ
A
700
V
Fall
Time
DRAIN Supply
Voltage
Shunt Regulator
Voltage
Shunt Regulator
Temperature Drift
Control Supply/
Discharge Current
V
M
= Floating; I
C
= 4mA
V
DS
= 560 V; T
J
= 125
°
C
V
M
= Floating; I
= 4mA
I
D
= 100
μ
A; T
J
= 25
°
C
NOTES:
A. For specifications with negative values, a negative temperature coefficient corresponds to an increase in
magnitude with increasing temperature, and a positive temperature coefficient corresponds to a decrease in
magnitude with increasing temperature.
B. Guaranteed by characterization. Not tested in production.
C. For externally adjusted current limit values, please refer to the graph (Current Limit vs. External Current Limit
Resistance) in the Typical Performance Characteristics section.
D. It is possible to start up and operate
TOPSwitch-FX
at DRAIN voltages well below 36 V. However, the CONTROL
pin charging current is reduced, which affects start-up time, auto-restart frequency, and auto-restart duty cycle.
Refer to the characteristic graph on CONTROL pin charge current (I
C
) vs. DRAIN voltage for low voltage operation
characteristics.
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