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UCC2817-EP

更新时间： 2024-01-23 12:12:59
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
23页 599K
描述
BiCMOS POWER-FACTOR PREREGULATOR

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UCC2817-EP 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：GREEN, PLASTIC, SOIC-16针数：16
Reach Compliance Code：unknown风险等级：5.64
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：15 V
最小输入电压：10.3 V标称输入电压：12 V
JESD-30 代码：R-PDSO-G16JESD-609代码：e4
长度：5 mm湿度敏感等级：2
功能数量：1端子数量：16
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：1.2 A封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP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
座面最大高度：1.2 mm表面贴装：YES
切换器配置：BOOST最大切换频率：120 kHz
技术：BICMOS温度等级：INDUSTRIAL
端子面层：NICKEL PALLADIUM GOLD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

UCC2817-EP 数据手册

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UCC2817-EP  
UCC2818-EP  
www.ti.com ........................................................................................................................................................................................... SLUS716–DECEMBER 2008  
BiCMOS POWER-FACTOR PREREGULATOR  
1
FEATURES  
2
•
Controls Boost Preregulator to Near-Unity  
Power Factor  
SUPPORTS DEFENSE, AEROSPACE,  
AND MEDICAL APPLICATIONS  
•
•
•
•
Controlled Baseline  
One Assembly/Test Site  
One Fabrication Site  
Available in Military (–55°C/125°C)  
Temperature Range(1)  
Extended Product Life Cycle  
Extended Product-Change Notification  
Product Traceability  
•
•
•
•
•
•
•
•
•
•
•
Limits Line Distortion  
World-Wide Line Operation  
Overvoltage Protection  
Accurate Power Limiting  
Average Current Mode Control  
Improved Noise Immunity  
Improved Feed-Forward Line Regulation  
Leading Edge Modulation  
150-µA Typical Start-Up Current  
Low-Power BiCMOS Operation  
12-V to 17-V Operation  
•
•
•
D, DW, N, or PW PACKAGE  
(TOP VIEW)  
GND  
PKLMT  
CAOUT  
CAI  
MOUT  
IAC  
DRVOUT  
VCC  
CT  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
SS  
RT  
VSENSE  
VAOUT  
VFF  
10 OVP/EN  
VREF  
9
(1) Additional temperature ranges are available - contact factory  
DESCRIPTION/ORDERING INFORMATION  
The UCC2817 and UCC2818 provides all the functions necessary for active power-factor-corrected  
preregulators. The controller achieves near-unity power factor by shaping the ac-input line current waveform to  
correspond to that of the ac input line voltage. Average current mode control maintains stable, low-distortion  
sinusoidal line current.  
Designed with TI's BiCMOS process, the UCC2817 and UCC2818 offers new features, such as lower start-up  
current, lower power dissipation, overvoltage protection, a shunt UVLO detect circuitry, a leading-edge  
modulation technique to reduce ripple current in the bulk capacitor, and an improved, low-offset (±2-mV) current  
amplifier to reduce distortion at light load conditions.  
The UCC2817 offers an on-chip shunt regulator with low start-up current suitable for applications utilizing a  
bootstrap supply. The UCC2818 is intended for applications with a fixed supply (VCC).  
The devices are available in a 16-pin D package.  
ORDERING INFORMATION  
TA = TJ  
PACKAGE(1)  
ORDERABLE PART NUMBER  
TURN-ON THRESHOLD  
–55°C to 125°C  
SOIC – D  
Reel  
UCC2818MDREP  
10.2 V  
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at  
www.ti.com/sc/package.  
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.  
2
Unitrode is a trademark of Texas Instruments.  
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 © 2008, Texas Instruments Incorporated  
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