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参数资料
| 型号： | NCP4302ADR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR FLYBK ISO PWM 8SOIC |
| 标准包装： | 1 |
| PWM 型： | 控制器 |
| 输出数： | 1 |
| 频率 - 最大： | 250kHz |
| 电源电压： | 9.2 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： | 标准包装 |
| 产品目录页面： | 1127 (CN2011-ZH PDF) |
| 其它名称： | NCP4302ADR2GOSDKR |
NCP4302
Secondary Side
Synchronous Flyback
Controller
The NCP4302 is a full featured controller and driver that provide all
the control and protection functions necessary for implementing a
synchronous rectifier operation in a flyback converter. With the use of
http://onsemi.com
the NCP4302, the space conscious flyback applications such as
Adaptors, chargers, set top boxes can achieve significant efficiency
improvements at minimal extra cost. In addition to the synchronous
rectifier control, the IC incorporates an accurate TL431 type shunt
regulator, current monitoring circuit and optocoupler driver to provide
a single IC secondary solution. The NCP4302 works with any type of
flyback topology (continuous mode, Quasi ? resonant mode or
8
1
SO ? 8
D SUFFIX
CASE 751
MARKING
DIAGRAM
8
4302x
ALYW
G
1
discontinuous mode) – providing a high level of versatility.
Features
? Self ? contained Control of Synchronous Rectifier in CCM, DCM, and
QR Flyback Applications
x
A
L
Y
W
= Reference Voltage (A or B)
= Assembly Location
= Wafer Lot
= Year
= Work Week
?
?
?
?
Interface to External Signal for CCM Mode
True Secondary Zero Current Detection
High Gate Drive Currents (2.5 A Source/Sink)
High Voltage Operation
G
= Pb ? Free Package
PIN CONFIGURATION
?
?
?
?
?
Current Sense Flexibility (MOSFET R DS(on) OR CS Resistor)
Accurate Low Voltage Reference
? NCP4302A 2.55 V, 1%
? NCP4302B 1.275 V, 1%
Programmable Independent Secondary Side t on and t off Delays
Maximum Frequency of Operation up to 250 kHz
These are Pb ? Free Devices
SYNC/CS 1
TRIG 2
CATH 3
V REF 4
(Top View)
8 V CC
7 DRV
6 GND
5 D LYADJ
Typical Applications
?
Notebook Adapters
ORDERING INFORMATION
?
?
?
?
LCD TV Adapters
Consumer Appliances such as DVD, VCR
Power Over Ethernet Applications (IP phones, Wireless Access
Points)
Battery Chargers
Device
NCP4302ADR2G
NCP4302BDR2G
Package
SO ? 8
(Pb ? Free)
SO ? 8
(Pb ? Free)
Shipping ?
2500/Tape & Reel
2500/Tape & Reel
?For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
? Semiconductor Components Industries, LLC, 2010
July, 2010 ? Rev. 3
1
Publication Order Number:
NCP4302/D
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NCP4302ADR2G | 制造商:ON Semiconductor 功能描述:Off-Line Controller IC |
| NCP4302BDR2G | 功能描述:初级与次级侧 PWM 控制器 SYNCHRONOUS RECTFICTION CONTRLLR RoHS:否 制造商:ON Semiconductor 输出端数量:1 开关频率:250 KHz 工作电源电压:- 0.3 V to + 28 V 最大工作温度:+ 85 C 最小工作温度:- 5 C 封装 / 箱体:SOIC-8 Narrow 封装:Reel |
| NCP4303A | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Secondary Side Synchronous Rectification Driver for High Efficiency SMPS Topologies |
| NCP4303ADR2G | 功能描述:初级与次级侧 PWM 控制器 SEC SIDE SYNC RECT DRV RoHS:否 制造商:ON Semiconductor 输出端数量:1 开关频率:250 KHz 工作电源电压:- 0.3 V to + 28 V 最大工作温度:+ 85 C 最小工作温度:- 5 C 封装 / 箱体:SOIC-8 Narrow 封装:Reel |
| NCP4303AMNTWG | 功能描述:IC CTLR/DVR SYNC RECT 8-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
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