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NCP1250ASN100T1G PDF预览

NCP1250ASN100T1G

更新时间： 2024-09-18 12:24:59
品牌 Logo 应用领域
安森美 - ONSEMI 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
23页 272K
描述
Current-Mode PWM Controller for Off-line Power Supplies

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中文翻译

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NCP1250ASN100T1G 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：TSOP
包装说明：LEAD FREE, SOT-23, TSOP-6针数：6
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.67
Is Samacsys：N模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：28 V最小输入电压：9.4 V
标称输入电压：12 VJESD-30 代码：R-PDSO-G6
JESD-609代码：e3长度：3 mm
湿度敏感等级：1功能数量：1
端子数量：6最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSOP6,.11,37
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：1.1 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：SINGLE
最大切换频率：108 kHz温度等级：AUTOMOTIVE
端子面层：Tin (Sn)端子形式：GULL WING
端子节距：0.95 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：1.5 mm
Base Number Matches：1

NCP1250ASN100T1G 数据手册

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NCP1250  
Current-Mode PWM  
Controller for Off-line  
Power Supplies  
The NCP1250 is a highly integrated PWM controller capable of  
delivering a rugged and high performance offline power supply in a  
tiny TSOP−6 package. With a supply range up to 28 V, the controller  
hosts a jittered 65 kHz or 100 kHz switching circuitry operated in peak  
current mode control. When the power on the secondary side starts to  
decrease, the controller automatically folds back its switching  
frequency down to a minimum level of 26 kHz. As the power further  
goes down, the part enters skip cycle while limiting the peak current.  
Over Power Protection (OPP) is a difficult exercise especially when  
no−load standby requirements drive the converter specifications. The  
ON proprietary integrated OPP lets you harness the maximum  
delivered power without affecting your standby performance simply  
via two external resistors. An Over Voltage Protection input is also  
combined on the same pin and protects the whole circuitry in case of  
optocoupler failure or adverse open loop operation.  
http://onsemi.com  
1
TSOP−6  
(SOT23−6)  
SN SUFFIX  
CASE 318G  
STYLE 13  
MARKING DIAGRAM  
25xAYWG  
Finally, a timer−based short−circuit protection offers the best  
protection scheme, letting you precisely select the protection trip point  
irrespective of a loose coupling between the auxiliary and the power  
windings.  
G
1
25x  
x
= Specific Device Code  
= A, 2, C, or D  
Features  
A
Y
W
G
= Assembly Location  
= Year  
= Work Week  
Fixed−Frequency 65 or 100 kHz Current−Mode Control Operation  
Internal and Adjustable Over Power Protection (OPP) Circuit  
Frequency Foldback Down to 26 kHz and Skip−Cycle in Light Load  
Conditions  
= Pb−Free Package  
(Note: Microdot may be in either location)  
PIN CONNECTIONS  
Internal Ramp Compensation  
Internal Fixed 4 ms Soft−Start  
GND  
FB  
1
2
6
5
4
DRV  
100 ms Timer−Based Auto−Recovery Short−Circuit Protection  
Frequency Jittering in Normal and Frequency Foldback Modes  
Option for Auto−Recovery or Latched Short−Circuit Protection  
OVP Input for Improved Robustness  
V
CC  
OPP/Latch  
3
CS  
(Top View)  
Up to 28 V V Operation  
CC  
+300 mA / −500 mA Source/Sink Drive Capability  
Less than 100 mW Standby Power at High Line  
EPS 2.0 Compliant  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 2 of this data sheet.  
These are Pb−Free Devices  
Typical Applications  
ac−dc Converters for TVs, Set−top Boxes and Printers  
Offline Adapters for Notebooks and Netbooks  
Semiconductor Components Industries, LLC, 2011  
1
Publication Order Number:  
October, 2011 − Rev. 7  
NCP1250/D  
1234567...23

中文翻译

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