参数资料
| 型号： | NCP1271P65G |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/21页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR PWM CM OVP OTP HV 7DIP |
| 标准包装： | 1,000 |
| 系列： | Soft-Skip™ |
| 输出隔离： | 隔离 |
| 频率范围： | 55kHz ~ 69kHz |
| 输入电压： | 10 V ~ 20 V |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 8-DIP（0.300"，7.62mm），7 引线 |
| 供应商设备封装： | 7-PDIP |
| 包装： | 管件 |
NCP1271
Soft-Skip t Mode Standby
PWM Controller with
Adjustable Skip Level and
External Latch
The NCP1271 represents a new, pin to pin compatible, generation
http://onsemi.com
of the successful 7 ? pin current mode NCP12XX product series. The
controller allows for excellent stand by power consumption by use of
its adjustable Soft ? Skip mode and integrated high voltage startup
FET. This proprietary Soft ? Skip also dramatically reduces the risk of
acoustic noise. This allows the use of inexpensive transformers and
capacitors in the clamping network. Internal frequency jittering,
ramp compensation, timer ? based fault detection and a latch input
make this controller an excellent candidate for converters where
ruggedness and component cost are the key constraints.
SOIC ? 7
D SUFFIX
CASE 751U
MARKING
DIAGRAMS
8
1271x
ALYW G
G
1
Skip/latch
HV
FB
CS
V CC
Drv
Features
? Fixed ? Frequency Current ? Mode Operation with Ramp
Compensation and Skip Cycle in Standby Condition
? Timer ? Based Fault Protection for Improved Overload Detection
? “Soft ? Skip Mode” Technique for Optimal Noise Control in Standby
? Internal High ? Voltage Startup Current Source for Lossless Startup
? " 5% Current Limit Accuracy over the Full Temperature Range
? Adjustable Skip Level
? Internal Latch for Easy Implementation of Overvoltage and
Overtemperature Protection
? Frequency Jittering for Softened EMI Signature
? +500 mA/ ? 800 mA Peak Current Drive Capability
? Sub ? 100 mW Standby Power can be Achieved
? Pin ? to ? Pin Compatible with the Existing NCP120X Series
? This is a Pb ? Free Device
Typical Applications
? AC ? DC Adapters for Notebooks, LCD Monitors
? Offline Battery Chargers
? Consumer Electronic Appliances STB, DVD, DVDR
8
PDIP ? 7 VHVIC 1271Pxxx
P SUFFIX AWL
CASE 626B YYWWG
1
1
x = A or B
A= 65 kHz
B= 100 kHz
xxx = Device Code: 65, 100
A = Assembly Location
L, WL = Wafer Lot
Y, YY = Year
W, WW = Work Week
G or G = Pb ? Free Package
(Note: Microdot may be in either location)
PIN CONNECTIONS
1 8
2
3 6
4 5
GND
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 19 of this data sheet.
*For additional information on our Pb ? Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques Reference
Manual, SOLDERRM/D.
? Semiconductor Components Industries, LLC, 2009
September, 2009 ? Rev. 6
1
Publication Order Number:
NCP1271/D
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NCP1271开关电源控制器 | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
| NCP1280 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Active Clamp Voltage Mode PWM Controller for Off-Line Applications |
| NCP1280/D | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Active Clamp Voltage Mode PWM Controller For Off-Line Applications |
| NCP1280_05 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Active Clamp Voltage Mode PWM Controller for Off-Line Applications |
| NCP1280DR2 | 功能描述:电压模式 PWM 控制器 Active Clamp RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
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