参数资料
型号: TOP257MN
厂商: Power Integrations
文件页数: 20/50页
文件大小: 0K
描述: IC OFFLINE SWIT PROG OVP 10CSDIP
产品培训模块: TOPSwitch® HX General Introduction
标准包装: 50
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): 119W
工作温度: -40°C ~ 150°C
封装/外壳: 10-SDIP(0.300",7.62mm),9 引线
供应商设备封装: SDIP-10C
包装: 管件
产品目录页面: 1204 (CN2011-ZH PDF)
配用: 596-1193-ND - KIT REF DESIGN TOP HX FOR TOP258
其它名称: 596-1187-5
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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