参数资料
型号: TOP250YN
厂商: Power Integrations
文件页数: 17/52页
文件大小: 0K
描述: IC OFFLINE SWIT UVLO HV TO220
标准包装: 50
输出隔离: 隔离
频率范围: 66 ~ 132kHz
输出电压: 700V
功率(瓦特): 290W
工作温度: -40°C ~ 150°C
封装/外壳: TO-220-7(成形引线),6 引线
供应商设备封装: TO-220-7C
包装: 管件
产品目录页面: 1204 (CN2011-ZH PDF)
其它名称: 596-1081-5
TOP242-250
Typical Uses of LINE-SENSE (L) and EXTERNAL CURRENT LIMIT (X) Pins (cont.)
300 K ?
+
DC
INPUT
VOLTAGE
-
D
S
R LS 2 M ?
L
CONTROL
X
R IL
12 K ?
V UV = I UV X R LS
V OV = I OV X R LS
FOR R LS = 2 M ?
V UV = 100 VDC
V OV = 450 VDC
DC MAX @100 VDC = 78%
DC MAX @375 VDC = 38%
C
FOR R IL = 12 K ?
I LIMIT = 69%
SEE FIGURE 54B FOR
OTHER RESISTOR VALUES
(R IL ) TO SELECT DIFFERENT
I LIMIT VALUES
+
DC
INPUT
VOLTAGE
-
D
S
Q R CAN BE AN OPTOCOUPLER
OUTPUT OR CAN BE REPLACED BY
A MANUAL SWITCH.
L
CONTROL
C
ON/OFF
Q R
47 K ?
PI-2640-040501
Figure 28. Line-Sensing and Externally Set Current Limit.
Figure 29. Active-on Remote ON/OFF.
Typical Uses of MULTI-FUNCTION (M) Pin
+
+
DC
INPUT
VOLTAGE
D
M
C
C
D
D
S
S
S
M
S
S
DC
INPUT
VOLTAGE
D
R LS
2 M ?
M
V UV = I UV X R LS
V OV = I OV X R LS
FOR R LS = 2 M ?
V UV = 100 VDC
V OV = 450 VDC
DC MAX @100 VDC = 78%
DC MAX @375 VDC = 38%
CONTROL
C
CONTROL
C
-
S
-
S
PI-2508-081199
Figure 30. Three Terminal Operation (MULIT-FUNCTION Features
Disabled).
+
PI-2509-040501
Figure 31. Line-Sensing for Undervoltage, Over-Voltage and Line
Feed-Forward.
+
2 M ?
R LS
V UV = R LS X I UV
FOR VALUE SHOWN
V UV = 100 VDC
R LS
2 M ?
V OV = I OV X R LS
FOR VALUES SHOWN
V OV = 450 VDC
DC
INPUT
VOLTAGE
D
22 K ?
M
DC
INPUT
VOLTAGE
D
30 K ?
M
1N4148
-
6.2 V
S
CONTROL
C
-
S
CONTROL
C
PI-2510-040501
Figure 32. Line-Sensing for Under-Voltage Only (Overvoltage
Disabled).
PI-2516-040501
Figure 33. Line-Sensing for Overvoltage Only (Under-Voltage
Disabled). Maximum Duty Cycle Reduced at Low Line
and Further Reduction with Increasing Line Voltage.
O
11/05
17
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