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| 型号： | NCP1380CDR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/26页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR FLYBK ISO PWM 8SOIC |
| 产品变化通告： | NCP1380 Pulldown Resistor Spec Change 01/Jul/2011 |
| 标准包装： | 2,500 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 电源电压： | 9 V ~ 28 V |
| 降压： | 无 |
| 升压： | 无 |
| 回扫： | 是 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
NCP1380
Quasi-Resonant
Current-Mode Controller for
High-Power Universal
Off-Line Supplies
The NCP1380 hosts a high?performance circuitry aimed to
powering quasi?resonant converters. Capitalizing on a proprietary
valley?lockout system, the controller shifts gears and reduces the
switching frequency as the power loading becomes lighter. This
results in a stable operation despite switching events always occurring
in the drain?source valley. This system works down to the 4 th valley
and toggles to a variable frequency mode beyond, ensuring an
excellent standby power performance.
To improve the safety in overload situations, the controller includes
an Over Power Protection (OPP) circuit which clamps the delivered
power at high?line. Safety?wise, a fixed internal timer relies on the
feedback voltage to detect a fault. Once the timer elapses, the
controller stops and stays latched for option A and C or enters
auto?recovery mode for option B and D.
Particularly well suited for adapter applications, the controller
http://onsemi.com
QUASI?RESONANT PWM
CONTROLLER FOR HIGH
POWER AC?DC WALL
ADAPTERS
8
1
SOIC?8
D SUFFIX
CASE 751
MARKING DIAGRAMS
features a pin to implement either a combined overvoltage /
overtemperature protection (Version A and B) or a combined
brown?out/overvoltage protection (Version C and D).
8
1380x
ALYW
Features
? Quasi?Resonant Peak Current?Mode Control Operation
? Valley Switching Operation with Valley?Lockout for Noise?Immune
Operation
? Frequency Foldback at Light Load to Improve the Light Load
Efficiency
1380x
x
A
L
Y
G
1
= Specific Device Code
= Device Option (A, B, C, or D)
= Assembly Location
= Wafer Lot
= Year
?
?
?
?
Adjustable Over Power Protection
Auto?Recovery or Latched Internal Output Short?Circuit Protection
Fixed Internal 80 ms Timer for Short?Circuit Protection
Combined Overvoltage and Overtemperature Protection (A and B
W
G
= Work Week
= Pb?Free Package
PIN CONNECTIONS
?
Versions)
Combined Overvoltage Protection and Brown?Out (C and D
ZCD 1
8 CT
?
?
?
?
?
?
?
Versions)
+500 mA/?800 mA Peak Current Source/Sink Capability
Internal Temperature Shutdown
Direct Optocoupler Connection
Extended V CC Range Operation Up to 28 V
Extremely Low No?Load Standby Power
SO?8 Package
These Devices are Pb?Free and are RoHS Compliant
FB 2 7 FAULT
CS 3 6 VCC
GND 4 5 DRV
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 25 of this data sheet.
Typical Applications
? High Power ac?dc Converters for TVs, Set?Top Boxes etc.
? Offline Adapters for Notebooks
? Semiconductor Components Industries, LLC, 2013
December, 2013 ? Rev. 5
1
Publication Order Number:
NCP1380/D
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| NCP1380DDR2G | 功能描述:电流型 PWM 控制器 QUASI-RES CUR MODE CONTRL RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
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