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| 型号： | NCP1027ATXGEVB |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/30页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL NCP1027 10W STANDBY |
| 设计资源： | NCP1027ATXGEVB Schematic NCP1027ATXGEVB Test Procedure NCP1027ATXGEVB Bill of Materials |
| 标准包装： | 1 |
| 主要目的： | AC/DC，主面 |
| 输出及类型： | 1，非隔离 |
| 功率 - 输出： | 10W |
| 输出电压： | 5V |
| 电流 - 输出： | 2A |
| 输入电压： | 85 ~ 265VAC |
| 稳压器拓扑结构： | 回扫 |
| 频率 - 开关： | 65kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | NCP1027 |
| 其它名称： | NCP1027ATXGEVB-ND NCP1027ATXGEVBOS |
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NCP1027
High-V oltage Switcher
for Medium Power Offline
SMPS Featuring Low
Standby Power
The NCP1027 offers a new solution targeting output power levels
from a few watts up to 15 W in a universal mains flyback application.
Our proprietary high- voltage technology lets us include a power
MOSFET together with a startup current source, all directly
connected to the bulk capacitor. To prevent lethal runaway in low
input voltage conditions, an adjustable brown- out circuitry blocks
http://onsemi.com
MARKING
DIAGRAM
the activity until sufficient input level is reached.
Current- mode operation together with an adjustable ramp
compensation offers superior performance in universal mains
applications. Furthermore, an Over Power Protection pin brings the
ability to precisely compensate all internal delays in high input voltage
conditions and optimize the maximum output current capability.
Protection wise, a timer detects an overload or a short- circuit and
stops all operations, ensuring a safe auto- recovery, low duty cycle burst
operation. An integrated, auto- recovery, Overvoltage Protection
permanently monitors the V CC level and temporarily shuts down the
driving pulses in case of an unexpected feedback loop runaway.
Finally, a great R DS(on) figure makes the circuit an excellent choice
for standby/auxiliary offline power supplies or applications requiring
higher output power levels.
8-LEAD PDIP
P SUFFIX
CASE 626A
XXX = 65 or 100
A = Assembly Location
WL = Wafer Lot
YY = Year
WW = Work Week
G = Pb-Free Package
PIN CONNECTIONS
P1027PXXX
AWL
YYWWG
Features
? Built-in 700 V MOSFET with Typical R DS(on) of 5.8 W , T J = 25 ° C
? Current-Mode Fixed Frequency Operation: 65 kHz and 100 kHz
? Fixed Peak Current of 800 mA
? Skip-Cycle Operation at Low Peak Currents
? Internal Current Source for Clean and Lossless Startup Sequence
? Auto-Recovery Output Short Circuit Protection with Timer-Based
V CC
Ramp Comp.
Brown-Out
FB
(Top View)
GND
OPP
Drain
?
?
?
?
?
?
?
?
?
Detection
Auto-Recovery Overvoltage Protection with Auxiliary Winding
Operation
Programmable Brown-Out Input for Low Input Voltage Detection
Programmable Over Power Protection
Input to Permanently Latchoff the Part
Internal Frequency Jittering for Improved EMI Signature
Extended Duty Cycle Operation to 80% Typical
No-Load Input Standby Power of 85 mW @ 265 Vac
500 mW Loaded, Input Power of 715 mW @ 230 Vac
These are Pb-Free Devices
ORDERING INFORMATION
Device Package Shipping *
NCP1027P065G PDIP-8 50 Units / Rail
(Pb-Free)
NCP1027P100G PDIP-8 50 Units / Rail
(Pb-Free)
*For additional information on our Pb-Free strategy
and soldering details, please download the
ON Semiconductor Soldering and Mounting
Techniques Reference Manual, SOLDERRM/D.
Typical Applications
? Medium Power AC-DC Adapters for Chargers
? Auxiliary/Standby Power Supplies for ATX and TVS Power Supplies
Reference
NCP1027 - 5.8 W
230 VAC
25 W*
90-265 VAC
15 W*
*Typical values, open-frame, 65 kHz version, R q JA < 75 ° C/W, T A = 50 ° C.
? Semiconductor Components Industries, LLC, 2007
May, 2007 - Rev. 4
1
Publication Order Number:
NCP1027/D
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NCP1027P065G | 功能描述:电流型 PWM 控制器 PWM Current Mode Controller RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| NCP1027P100G | 功能描述:交流/直流开关转换器 PWM Current Mode Controller 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 |
| NCP1027PO65G | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述: |
| NCP1028 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Power Factor Controllers |
| NCP1028LEDGEVB | 功能描述:电源管理IC开发工具 720MA 18V LED DRIVER RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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