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UCC28070PWG4 PDF预览

UCC28070PWG4

更新时间： 2024-11-09 15:55:55
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德州仪器 - TI 信息通信管理功率因数校正光电二极管
页数 文件大小 规格书
47页 1176K
描述
Two-Phase Interleaved CCM PFC Controller 20-TSSOP -40 to 125

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UCC28070PWG4 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：TSSOP包装说明：TSSOP, TSSOP20,.25
针数：20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.2模拟集成电路 - 其他类型：POWER FACTOR CONTROLLER
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：21 V最小输入电压：10.5 V
标称输入电压：12 VJESD-30 代码：R-PDSO-G20
JESD-609代码：e4长度：6.5 mm
湿度敏感等级：1功能数量：1
端子数量：20最高工作温度：125 °C
最低工作温度：-40 °C最大输出电流：0.75 A
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP20,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：12 V认证状态：Not Qualified
座面最大高度：1.2 mm子类别：Switching Regulator or Controllers
标称供电电压 (Vsup)：12 V表面贴装：YES
切换器配置：BOOST最大切换频率：330 kHz
技术：BICMOS温度等级：AUTOMOTIVE
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4.4 mm
Base Number Matches：1

UCC28070PWG4 数据手册

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UCC28070  
www.ti.com  
SLUS794E –NOVEMBER 2007–REVISED APRIL 2011  
Interleaving Continuous Conduction Mode PFC Controller  
Check for Samples: UCC28070  
1
FEATURES  
APPLICATIONS  
•
•
•
Interleaved Average Current-Mode PWM  
Control with Inherent Current Matching  
•
High-Efficiency Server and Desktop Power  
Supplies  
Advanced Current Synthesizer Current  
Sensing for Superior Efficiency  
•
•
Telecom Rectifiers  
White Goods and Industrial Equipment  
Highly-Linear Multiplier Output with Internal  
Quantized Voltage Feed-Forward Correction  
for Near-Unity PF  
DESCRIPTION  
The UCC28070 is an advanced power factor  
correction device that integrates two pulse-width  
modulators (PWMs) operating 180° out of phase.  
•
•
•
Programmable Frequency (30 kHz to 300 kHz)  
Programmable Maximum Duty-Cycle Clamp  
This  
interleaved  
PWM  
operation  
generates  
Programmable Frequency Dithering Rate and  
Magnitude for Enhanced EMI Reduction  
substantial reduction in the input and output ripple  
currents, and the conducted-EMI filtering becomes  
easier and less expensive. A significantly improved  
multiplier design provides a shared current reference  
to two independent current amplifiers that ensures  
matched average current mode control in both PWM  
outputs while maintaining a stable, low-distortion  
sinusoidal input line current.  
–
–
Magnitude: 3 kHz to 30 kHz  
Rate: Up to 30 kHz  
•
•
External Clock Synchronization Capability  
Enhanced Load and Line Transient Response  
through Voltage Amplifier Output Slew-Rate  
Correction  
The UCC28070 contains multiple innovations  
including current synthesis and quantized voltage  
feed-forward to promote performance enhancements  
in PF, efficiency, THD, and transient response.  
Features including frequency dithering, clock  
synchronization, and slew rate enhancement further  
expand the potential performance enhancements.  
•
•
Programmable Peak Current Limiting  
Bias-Supply UVLO, Over-Voltage Protection,  
Open-Loop Detection, and PFC-Enable  
Monitoring  
•
•
External PFC-Disable Interface  
Open-Circuit Protection on VSENSE and  
VINAC pins  
The UCC28070 also contains a variety of protection  
features including output over-voltage detection,  
programmable peak-current limit, under-voltage  
lockout, and open-loop protection.  
•
•
Programmable Soft Start  
20-Lead TSSOP/SOIC Packages  
Simplified Application Diagram  
VIN  
L1  
D1  
VOUT  
COUT  
12V to 21V  
To CSB  
CCDR  
T1  
1
2
3
4
5
6
7
8
9
CDR  
RDM  
VAO  
DMAX 20  
RT 19  
RS  
RDMX  
RRT  
RRDM  
RA  
SS 18  
CSS  
M1  
VSENSE GDB 17  
VINAC  
IMO  
GND 16  
VCC 15  
RIMO  
RSYN  
RB  
RSYNTH GDA 14  
L2  
D2  
CSB  
CSA  
VREF 13  
CAOA 12  
To CSA  
10 PKLMT CAOB 11  
T2  
RS  
From Ixfrms  
RA  
CZV  
CZC  
CZC  
RPK1  
CREF  
CPV  
CPC  
CPC  
M2  
RPK2  
RB  
RZV  
RZC  
RZC  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2007–2011, Texas Instruments Incorporated  
 
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中文翻译

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UCC28070PWG4 替代型号

型号 品牌 替代类型 描述 数据表
UCC28070PWRG4 TI

完全替代

 Two-Phase Interleaved CCM PFC Controller 20-TSSOP -40 to 125
UCC28070PWR TI

类似代替

 Two-Phase Interleaved CCM PFC Controller
UCC28070PW TI

类似代替

 Two-Phase Interleaved CCM PFC Controller

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