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NCP1251 参数 Datasheet PDF下载

NCP1251图片预览
型号: NCP1251
PDF下载: 下载PDF文件 查看货源
内容描述: 电流模式PWM控制器,用于离线式电源供应器 [Current-Mode PWM Controller for Off-line Power Supplies]
分类和应用: 控制器
文件页数/大小: 24 页 / 275 K
品牌: ONSEMI [ ONSEMI ]
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NCP1251  
MAXIMUM RATINGS TABLE  
Symbol  
Rating  
Value  
Unit  
V
V
CC  
Power Supply voltage, V pin, continuous voltage  
28  
CC  
V
Maximum DRV pin voltage when DRV in H state, transient voltage (Note 1)  
Maximum voltage on low power pins CS, FB and OPP  
V
+ 0.3  
V
DRVtran  
CC  
0.3 to 10  
V
IOPP  
Maximum injected negative current into the OPP pin (pin 3)  
2  
mA  
mA  
°C/W  
°C  
I
Maximum continuous current into the V pin while in latch mode  
3
SCR  
CC  
R
Thermal Resistance JunctiontoAir  
Maximum Junction Temperature  
360  
q
JA  
T
J,max  
150  
Storage Temperature Range  
60 to +150  
°C  
ESD Capability, Human Body Model (HBM), all pins  
ESD Capability, Machine Model (MM)  
2
kV  
V
200  
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the  
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect  
device reliability.  
1. The transient voltage is a voltage spike injected to DRV pin being in high state. Maximum transient duration is 100 ns.  
2. This device series contains ESD protection and exceeds the following tests: Human Body Model 2000 V per MilStd883, Method 3015.  
Machine Model Method 200 V.  
3. This device contains latchup protection and exceeds 100 mA per JEDEC Standard JESD78.  
http://onsemi.com  
4
 
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