参数资料
型号: TOP245P
厂商: Power Integrations
文件页数: 16/52页
文件大小: 0K
描述: IC OFFLINE SWIT OVP UVLO HV 8DIP
标准包装: 3,000
系列: TOPSwitch®-GX
输出隔离: 隔离
频率范围: 66 ~ 132kHz
输出电压: 700V
功率(瓦特): 30W
工作温度: -40°C ~ 150°C
封装/外壳: 8-DIP(0.300",7.62mm),7 引线
供应商设备封装: DIP-8B
包装: 管件
TOP242-250
Typical Uses of LINE-SENSE (L) and EXTERNAL CURRENT LIMIT (X) Pins (cont.)
+
Q R CAN BE AN OPTOCOUPLER
OUTPUT OR CAN BE REPLACED BY
A MANUAL SWITCH.
+
Q R
Q R CAN BE AN
OPTOCOUPLER OUTPUT OR
CAN BE REPLACED
BY A MANUAL SWITCH.
DC
INPUT
VOLTAGE
D
CONTROL
C
DC
INPUT
VOLTAGE
ON/OFF
47 K ?
D
L
R MC
45 K ?
S
X
CONTROL
C
-
Q R
47 K ?
ON/OFF
-
S
Figure 22. Active-on (Fail Safe) Remove ON/OFF.
PI-2625-040501
PI-2621-040501
Figure 23. Active-off Remote ON/OFF. Maximum Duty Cycle
Reduced.
+
Q R CAN BE AN OPTOCOUPLER
OUTPUT OR CAN BE REPLACED
BY A MANUAL SWITCH.
+
ON/OFF
47 K ?
Q R
R MC
Q R CAN BE AN
OPTOCOUPLER OUTPUT
OR CAN BE REPLACED
BY A MANUAL SWITCH.
DC
INPUT
VOLTAGE
D
CONTROL
C
FOR R IL = 12 K ?
I LIMIT = 69%
FOR R IL = 25 K ?
I LIMIT = 43%
DC
INPUT
VOLTAGE
D
45 K ?
L
CONTROL
C
S
X
S
X
-
R IL
Q R
47 K ?
ON/OFF
-
R IL
PI-2626-040501
Figure 24. Active-on Remote ON/OFF with Externally Set Current
Limit.
PI-2627-040501
Figure 25. Active-off Remote ON/OFF with Externally Set Current
Limit.
FOR R IL = 12 K ?
+
ON/OFF
DC
INPUT
VOLTAGE
-
47 K ?
D
S
Q R
R LS 2 M ?
L
CONTROL
Q R CAN BE AN OPTOCOUPLER
OUTPUT OR CAN BE REPLACED
BY A MANUAL SWITCH.
FOR R LS = 2 M ?
V UV = 100 VDC
V OV = 450 VDC
C
+
DC
INPUT
VOLTAGE
-
D
S
R LS 2 M ?
L
CONTROL
X
R IL
V UV = I UV X R LS
V OV = I OV X R LS
DC MAX @100 VDC = 78%
DC MAX @375 VDC = 38%
Q R CAN BE AN OPTOCOUPLER
OUTPUT OR CAN BE REPLACED
BY A MANUAL SWITCH.
C
I LIMIT = 69%
Q R
ON/OFF
47 K ?
PI-2622-040501
Figure 26. Active-off Remote ON/OFF with LINE-SENSE.
PI-2628-040501
Figure 27. Active-on Remote ON/OFF with LINE-SENSE and
EXTERNAL CURRENT LIMIT.
16
O
11/05
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