参数资料
型号: TOP261LG
厂商: Power Integrations
文件页数: 20/50页
文件大小: 0K
描述: IC OFFLINE SWIT PROG OVP 7FESIP
标准包装: 48
系列: TOPSwitch®-HX
输出隔离: 隔离
频率范围: 119kHz ~ 145kHz
输出电压: 700V
功率(瓦特): 244W
工作温度: -40°C ~ 150°C
封装/外壳: 7-SIP,6 引线,裸露焊盘,成形引线
供应商设备封装: eSIP-7F
包装: 管件
TOP252-262
Typical Uses of MULTI-FUNCTION (M) Pin (cont.)
+
Q R can be an optocoupler
output or can be replaced
by a manual switch.
+
Q R can be an optocoupler
output or can be replaced
by a manual switch.
For R IL = 12 k ?
DC
Input
Voltage
DC
Input
Voltage
I LIMIT = 61%
For R IL = 19 k ?
Q R
D
M
CONTROL
C
R IL
D
M
CONTROL
C
I LIMIT = 37%
-
-
ON/OFF
47 k ?
S
ON/OFF
16 k ?
Q R
S
Figure 37. Active-on (Fail Safe) Remote ON/OFF.
PI-2519-040501
PI-4735-092107
Figure 38. Active-on Remote ON/OFF with Externally Set Current Limit
(see M Pin Operation Description).
DC MAX @ 375 VDC = 41%
+
DC
Input
Voltage
ON/OFF
7 k ?
D
Q R
M
R MC
Q R can be an optocoupler
output or can be replaced
by a manual switch.
24 k ? R MC = 2R IL
+
DC
Input
Voltage
D
R LS
V UV = I UV × R LS + V M (I M = I UV )
V OV = I OV × R LS + V M (I M = I OV )
For R LS = 4 M ?
4 M ? V UV = 102.8 VDC
V OV = 451 VDC
Sense Output Voltage
DC MAX @ 100 VDC = 76%
M
R IL
12 k ?
CONTROL
C
Reset
10 k ?
Q R
CONTROL
C
-
S
-
S
PI-4736-060607
Figure 39. Active-off Remote ON/OFF with Externally Set Current Limit
(see M Pin Operation Description).
20
Rev. H 06/13
PI-4757-120307
Figure 40. Line-Sensing for Undervoltage, Overvoltage, Line Feed-Forward and
Latched Output Overvoltage Protection with Device Reset.
www.powerint.com
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