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参数资料
| 型号： | NCP1000P |
| 厂商： | ON Semiconductor |
| 文件页数： | 11/14页 |
| 文件大小： | 0K |
| 描述： | IC OFFLINE SWIT PWM UVLO HV 8DIP |
| 产品变化通告： | LTB Notification 03/Jan/2008 |
| 标准包装： | 1,000 |
| 输出隔离： | 隔离 |
| 频率范围： | 90kHz ~ 115kHz |
| 输入电压： | 7.5 V ~ 10 V |
| 输出电压： | 700V |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
| 其它名称： | NCP1000POS |
NCP1000, NCP1001, NCP1002
Applications
Do not attempt to construct a converter circuit on a
wire--wrap or plug--in prototype board. In order to ensure
proper device operation and stability, it is important to
minimize the lead length and the associated inductance of
the ground pin. This pin must connect as directly as possible
to the printed circuit ground plane and should not be bent or
offset by the board layout. The Power Switch Circuit pin can
be offset if additional layout creepage distance is required.
Due to the potentially high rate of change in switch current,
a capacitor (if used), at pin 2, should have traces as short as
possible, from pin 2 and ground. This will significantly
reduce the level of switching noise that can be imposed upon
the feedback control signal.
AC Line
Input
+
Snubber
+
Bypass
+
Auto Restart Timing
Auxiliary Output
+
Startup
4
Power Switch
Circuit
5
+
Converter
DC Output
--
V CC
1
10 V
Startup
10 V
Feedback
Input
V CC Limiter 8.6 V
Opto Fail--safe
Internal
Bias
State Control
Power up--reset
+
Loop Compensation
2
10 mA
Oscillator
Duty Cycle
+
Undervoltage
8.5 V/ Lockout
7.5 V
Thermal
Shutdown
Ck R
Divide
by 8
Q
PWM Latch
Driver
Clock
Ramp
S
R
Q
2.7 k
7.0 kHz
Filter
PWM
Comparator
Current Limit
Comparator
+
Leading Edge
Blanking
R pk
Ground
3
Figure 17. Representative Block Diagram
http://onsemi.com
11
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NCP1000PG | 功能描述:交流/直流开关转换器 700V 500mA Switching w/OVP and Zero Duty 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 |
| NCP1000T | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| NCP1001 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Integrated Off-Line Switching Regulator |
| NCP1001P | 功能描述:交流/直流开关转换器 700V 500mA Switching 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 |
| NCP1001PG | 功能描述:交流/直流开关转换器 700V 500mA Switching w/OVP and Zero Duty 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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