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参数资料
| 型号： | TOP271EG |
| 厂商： | Power Integrations |
| 文件页数： | 14/40页 |
| 文件大小： | 0K |
| 描述： | IC OFFLINE SW PWM OCP OVP 7ESIP |
| 特色产品： | TopSwitch?-JX Integrated Switcher Ics |
| 标准包装： | 48 |
| 输出隔离： | 隔离 |
| 频率范围： | 66 ~ 132kHz |
| 输出电压： | 725V |
| 功率（瓦特）： | 177W |
| 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-7C |
| 包装： | 管件 |
| 其它名称： | 596-1282-5 |
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TOP264-271
Typical Uses of VOLTAGE MONITOR (V) and EXTERNAL CURRENT LIMIT (X) Pins (cont.)
+
R LS
2.5 M ?
I LIMIT = 100% @ 100 VDC
I LIMIT = 53% @ 300 VDC
+
Q R can be an optocoupler
output or can be replaced by
a manual switch.
DC
Input
Voltage
D
CONTROL
C
DC
Input
Voltage
D
CONTROL
C
S
X
S
X
-
R IL
6 k ?
-
Q R
47 K ?
ON/OFF
Figure 19. Current Limit Reduction with Line Voltage.
PI-5465-061009
PI-5466-061009
Figure 20. Active-on (Fail Safe) Remote ON/OFF, and Latch Reset.
+
Q R can be an optocoupler
output or can be replaced
by a manual switch.
For R IL = 12 k ?
+
R LS
V UV = I UV × R LS + V V (I V = I UV )
V OV = I OV × R LS + V V (I V = I oV )
4 M ? DC MAX @100 VDC = 76%
DC MAX @375 VDC = 41%
DC
Input
Voltage
D
S
CONTROL
X
C
I LIMIT = 61%
For R IL = 19 k ?
I LIMIT = 37%
DC
Input
Voltage
D
S
V
CONTROL
X
C
Q R can be an optocoupler
output or can be replaced
by a manual switch.
For R IL = 12 k ?
I LIMIT = 61%
-
R IL
Q R
16 k ?
ON/OFF
-
R IL
Q R
16 k ?
ON/OFF
PI-5531-072309
Figure 21. Active-on Remote ON/OFF with Externally Set Current Limit,
and Latch Reset
PI-5467-061009
Figure 22. Active-on Remote ON/OFF with Line Sense and External
Current Limit, and Latch Reset.
+
R LS
4 M ?
V UV = I UV x R LS + V V (I V = I UV )
V OV = I OV x R LS + V V (I V = I oV )
For R LS = 4 M ?
V UV = 102.8 VDC
V OV = 451 VDC
+
D
Typ. 65 VAC brownout threshold.
<3 s AC latch reset time.
Higher gain Q R allows increasing R1/
decreasing C1 for lower no-load input
power.
DC
Input
Voltage
-
D
S
V
CONTROL
X
R IL
12 k ?
DC MAX @ 100 VDC = 76%
DC MAX @ 375 VDC = 41%
C
For R IL = 12 k ?
I LIMIT = 61%
See Figure 37 for
other resistor values
(R IL ) to select different
I LIMIT values.
DC
Input
Voltage
-
S
CONTROL
X
R IL
C
Q R
R1
4 M ? 1N4007
AC
R2 C1 Input
39 k ? 47 nF
PI-5652-110609
Figure 23. Line Sensing and Externally Set Current Limit.
14
Rev. E 08/12
Figure 24. Externally Set Current Limit, Fast AC Latch Reset and Brown-Out.
www.powerint.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TOP271EG/VG | 制造商:POWERINT 制造商全称:Power Integrations, Inc. 功能描述:Integrated Off-Line Switcher with EcoSmart Technology for Highly Efficient Power Supplies |
| TOP271EG-TL | 制造商:POWERINT 制造商全称:Power Integrations, Inc. 功能描述:Integrated Off-Line Switcher with EcoSmart Technology for Highly Efficient Power Supplies |
| TOP271KG | 功能描述:交流/直流开关转换器 Int Off-Line Switchr EcoSmart,66W/102W 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 |
| TOP271KG-TL | 功能描述:交流/直流开关转换器 Int Off-Line Switchr EcoSmart,66W/102W 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 |
| TOP271VG | 功能描述:交流/直流开关转换器 Int Off-Line Switchr 177W/244W 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 |
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