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NCP1236DD100R2G

更新时间： 2024-11-29 12:05:07
品牌 Logo 应用领域
安森美 - ONSEMI 转换器控制器
页数 文件大小 规格书
34页 302K
描述
Fixed Frequency Current Mode Controller for Flyback Converters

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中文翻译

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NCP1236DD100R2G 技术参数

是否Rohs认证： 符合生命周期：Active
零件包装代码：SOIC包装说明：SOP, SOP7/8,.25
针数：8/7Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.72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：10.5 V
标称输入电压：11 VJESD-30 代码：R-PDSO-G7
长度：4.9 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封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP7/8,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：1.75 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
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.9 mmBase Number Matches：1

NCP1236DD100R2G 数据手册

 浏览型号NCP1236DD100R2G的Datasheet PDF文件第2页浏览型号NCP1236DD100R2G的Datasheet PDF文件第3页浏览型号NCP1236DD100R2G的Datasheet PDF文件第4页浏览型号NCP1236DD100R2G的Datasheet PDF文件第5页浏览型号NCP1236DD100R2G的Datasheet PDF文件第6页浏览型号NCP1236DD100R2G的Datasheet PDF文件第7页 
NCP1236  
Fixed Frequency Current  
Mode Controller for Flyback  
Converters  
The NCP1236 is a new fixed−frequency current−mode controller  
featuring Dynamic Self−Supply (DSS). This device is pin−to−pin  
compatible with the previous NCP12xx families.  
http://onsemi.com  
MARKING  
The DSS function greatly simplifies the design of the auxiliary  
supply and the V capacitor by activating the internal startup current  
CC  
DIAGRAM  
source to supply the controller during transients.  
8
Due to frequency foldback, the controller exhibits excellent  
efficiency in light load condition while still achieving very low  
standby power consumption. Internal frequency jittering, ramp  
compensation, and a versatile latch input make this controller an  
excellent candidate for converters where components cost is the key  
constraints.  
36Xff  
ALYWX  
G
SOIC−7  
CASE 751U  
1
36Xff = Specific Device Code  
X = A, B, C or D  
In addition, the controller includes a new high voltage circuitry that  
combines a start−up current source and a brown−out detector able to  
sense the input voltage either from the rectified ac line or the dc  
filtered bulk voltage. The high voltage sensing circuitry is used for the  
overpower protection purposes as well. Overpower protection,  
overload protection, and next protective features increases safety level  
of the final application.  
Finally, due to a careful design, the precision of critical parameters  
is well controlled over the entire temperature range (−40C to  
+125C).  
ff = 65 or 100  
= Assembly Location  
= Wafer Lot  
= Year  
= Work Week  
= Pb−Free Package  
A
L
Y
W
G
PIN CONNECTIONS  
Latch  
FB  
1
2
3
4
8
HV  
Features  
V
CC  
6
5
CS  
Fixed−Frequency Current−Mode Operation with Built−In Ramp  
Compensation  
65 kHz or 100 kHz Oscillator Frequency  
GND  
DRV  
(Top View)  
Frequency Foldback then Skip Mode for Maximized Performance in  
Light Load and Standby Conditions  
Timer−Based Overload Protection with Latched (option A) or  
Auto−Recovery (option B) Operation, Shortened Overload Timer for  
Increased Safety (options C and D), (see all options on page 2)  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 33 of this data sheet.  
High−voltage Current Source with Brown−Out  
detection and Dynamic Self−Supply, Simplifying the  
Internal Thermal Shutdown  
Pin−to−Pin Compatible with the Existing NCP12xx  
Series  
Design of the V Capacitor  
CC  
Frequency Modulation for Softened EMI Signature,  
including during Frequency Foldback mode  
Adjustable Overpower Compensation  
Latch−off Input for Severe Fault Conditions, Allowing  
Direct Connection of an NTC for Overtemperature  
Protection (OTP)  
These Devices are Pb−Free, Halogen Free/BFR Free  
and are RoHS Compliant  
Typical Applications  
AC−DC Adapters for Notebooks, LCD, and Printers  
Offline Battery Chargers  
Consumer Electronic Power Supplies  
Auxiliary/Housekeeping Power Supplies  
V Operation up to 28 V, with Overvoltage Detection  
$500 mA Peak Source / Sink Current Drive Capability  
4.0 ms Soft−Start  
CC  
Semiconductor Components Industries, LLC, 2013  
1
Publication Order Number:  
April, 2013 − Rev. 3  
NCP1236/D  
1234567...34

中文翻译

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