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NCP1338PG PDF预览

NCP1338PG

更新时间： 2024-11-30 05:52:03
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
15页 155K
描述
PWM Current-Mode Controller for Free Running Quasi-Resonant Operation

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中文翻译

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NCP1338PG 技术参数

是否Rohs认证： 符合生命周期：Active
零件包装代码：DIP包装说明：DIP, DIP7/8,.3
针数：7Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.75Is 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：18.6 V
最小输入电压：11 V标称输入电压：11 V
JESD-30 代码：R-PDIP-T7长度：9.78 mm
功能数量：1端子数量：7
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：1 A封装主体材料：PLASTIC/EPOXY
封装代码：DIP封装等效代码：DIP7/8,.3
封装形状：RECTANGULAR封装形式：IN-LINE
认证状态：Not Qualified座面最大高度：4.45 mm
子类别：Switching Regulator or Controllers表面贴装：NO
切换器配置：SINGLE最大切换频率：130 kHz
温度等级：AUTOMOTIVE端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
宽度：7.62 mmBase Number Matches：1

NCP1338PG 数据手册

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NCP1338  
PWM Current-Mode  
Controller for Free Running  
Quasi-Resonant Operation  
The NCP1338 combines a true current mode modulator and a  
demagnetization detector which ensures full Borderline/Critical  
Conduction Mode in any load/line conditions together with  
minimum drain voltage switching (Quasi-Resonant operation). The  
transformer core reset detection is done internally, without using any  
external signal, due to the Soxyless concept. The frequency is  
internally limited to 130 kHz, preventing the controller from  
operating above the 150 kHz CISPR-22 EMI starting limit.  
By monitoring the feedback pin activity, the controller enters  
ripple mode as soon as the power demand falls below a  
predetermined level. As each restart is softened by an internal  
Soft-Skipt, and as the frequency cannot go below 25 kHz, no  
audible noise can be heard.  
http://onsemi.com  
MARKING  
DIAGRAM  
7
NCP1338P  
AWL  
YYWWG  
PDIP-7  
P SUFFIX  
CASE 626B  
1
8
The NCP1338 also features an efficient protective circuitry which,  
in presence of an overcurrent condition, disables the output pulses  
and enters a safe burst mode, trying to restart. Once the default has  
gone, the device auto-recovers. Also included is a bulk voltage  
monitoring function (known as brown-out protection), an adjustable  
P1338  
ALYWꢁG  
G
SOIC-7  
D SUFFIX  
CASE 751U  
1
overpower compensation, and a V OVP. Finally, an internal 4.0 ms  
CC  
Soft-Skip eliminates the traditional startup stress. NCP1338 can be  
used in applications where the V supply voltage is delivered by an  
CC  
external dc voltage source.  
A
= Assembly Location  
WL, L = Wafer Lot  
YY, Y = Year  
WW, W = Work Week  
G, G  
= Pb-Free Package  
Features  
(Note: Microdot may be in either location)  
•ꢀFree-Running Borderline/Critical Mode Quasi-Resonant Operation  
•ꢀCurrent-Mode  
PIN CONNECTIONS  
1
8
•ꢀSoft-Skip Mode with Minimum Switching Frequency for Standby  
•ꢀAuto-Recovery Short-Circuit Protection Independent of Auxiliary  
Voltage  
BO  
FB  
HV  
2
3
4
6
•ꢀOvervoltage Protection  
VCC  
DRV  
CS  
5
•ꢀBrown-Out Protection  
GND  
•ꢀTwo Externally Triggerable Fault Comparators (one for a disable  
function, and the other for a permanent latch)  
•ꢀInternal 4.0 ms Soft-Skip  
(Top View)  
ORDERING INFORMATION  
•ꢀ500 mA Peak Current Drive Sink Capability  
•ꢀ130 kHz Max Frequency  
Device  
Package  
Shipping†  
•ꢀInternal Leading Edge Blanking  
NCP1338PG  
PDIP-7  
50 Units/Rail  
•ꢀInternal Temperature Shutdown  
(Pb-Free)  
•ꢀDirect Optocoupler Connection  
NCP1338DR2G  
SOIC-7  
2500 Tape & Reel  
•ꢀDynamic Self-Supply with Levels of 12 V (On) and 10 V (Off)  
•ꢀSPICE Models Available for TRANsient and AC Analysis  
•ꢀThese are Pb-Free Devices  
(Pb-Free)  
†For information on tape and reel specifications,  
including part orientation and tape sizes, please  
refer to our Tape and Reel Packaging Specification  
Brochure, BRD8011/D.  
Typical Applications  
•ꢀAc-dc Adapters for Notebooks, etc.  
•ꢀOffline Battery Chargers  
•ꢀConsumer Electronics (DVD Players, Set-Top Boxes, TVs, etc.)  
•ꢀAuxiliary Power Supplies (USB, Appliances, TVs, etc.)  
©ꢀ Semiconductor Components Industries, LLC, 2008  
April, 2008 - Rev. 0  
1
Publication Order Number:  
NCP1338/D  
1234567...15

中文翻译

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