参数资料
型号: TOP244Y
厂商: Power Integrations
文件页数: 15/52页
文件大小: 0K
描述: IC OFFLINE SWIT UVLO HV TO220
标准包装: 2,000
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): 65W
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
TOP242-250
Typical Uses of LINE-SENSE (L) and EXTERNAL CURRENT LIMIT (X) P ins
+
+
V UV = I UV X R LS
V OV = I OV X R LS
DC
CL XS F
D
DC
R LS
2 M ?
FOR R LS = 2 M ?
V UV = 100 VDC
V OV = 450 VDC
INPUT
VOLTAGE
-
D
S
L
CONTROL
X
F
C
C S
D
INPUT
VOLTAGE
-
D
S
L
CONTROL
DC MAX @100 VDC = 78%
DC MAX @375 VDC = 38%
C
PI-2617-050100
Figure 16. Three Terminal Operation (LINE-SENSE and
EXTERNAL CURRENT LIMIT Features Disabled.
FREQUENCY Pin Tied to SOURCE or CONTROL Pin).
+
PI-2618-081403
Figure 17. Line-Sensing for Under-Voltage, Overvoltage 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
6.2 V
D
22 K ?
M
CONTROL
C
DC
INPUT
VOLTAGE
D
30 K ?
L
CONTROL
C
1N4148
-
S
-
S
PI-2510-040501
Figure 18. Line-Sensing for Under-Voltage Only (Overvoltage
Disabled).
PI-2620-040501
Figure 19. Linse-Sensing for Overvoltage Only (Under-Voltage
Disabled). Maximum Duty Cycle Reduced at Low Line
and Further Reduction with Increasing Line Voltage.
+
FOR R IL = 12 K ?
I LIMIT = 69%
FOR R IL = 25 K ?
I LIMIT = 43%
+
R LS
2.5 M ?
I LIMIT = 100% @ 100 VDC
I LIMIT = 63% @ 300 VDC
DC
INPUT
VOLTAGE
D
CONTROL
C
SEE FIGURE 54B FOR
OTHER RESISTOR VALUES
(R IL )
DC
INPUT
VOLTAGE
D
CONTROL
C
-
S
X
R IL
-
S
X
R IL
6 K ?
Figure 20. Externally Set Current Limit.
PI-2623-092303
Figure 21. Current Limit Reduction with Line Voltage.
PI-2624-040501
O
11/05
15
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相关代理商/技术参数
参数描述
TOP244Y- 制造商:POWERINT 制造商全称:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher
TOP244Y/F 制造商:未知厂家 制造商全称:未知厂家 功能描述:Up to 290 W Extended power. design flexible.
TOP244YN 功能描述:交流/直流开关转换器 45 W 85-265 VAC 65 W 230 VAC RoHS:否 制造商:STMicroelectronics 输出电压:800 V 输入/电源电压(最大值):23.5 V 输入/电源电压(最小值):11.5 V 开关频率:115 kHz 电源电流:1.6 mA 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:SSO-10 封装:Reel
TOP244YN- 制造商:POWERINT 制造商全称:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher
TOP244YN-TL 制造商:POWERINT 制造商全称:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher