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UC3854ANG4 PDF预览

UC3854ANG4

更新时间: 2024-09-14 12:01:51
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
18页 741K
描述
ADVANCED HIGH-POWER FACTOR PREREGULATOR

UC3854ANG4 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:DIP
包装说明:DIP, DIP16,.3针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.15
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:20 V
最小输入电压:10 V标称输入电压:18 V
JESD-30 代码:R-PDIP-T16JESD-609代码:e4
长度:19.3 mm功能数量:1
端子数量:16最高工作温度:70 °C
最低工作温度:最大输出电流:12 A
最大输出电压:7.6 V最小输出电压:7.4 V
标称输出电压:7.5 V封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP16,.3
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED电源:18 V
认证状态:Not Qualified座面最大高度:3.9 mm
子类别:Switching Regulator or Controllers最大供电电流 (Isup):12 mA
最大供电电压 (Vsup):20 V标称供电电压 (Vsup):18 V
表面贴装:NO切换器配置:BOOST
最大切换频率:120 kHz技术:BIPOLAR
温度等级:COMMERCIAL端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:6.35 mmBase Number Matches:1

UC3854ANG4 数据手册

 浏览型号UC3854ANG4的Datasheet PDF文件第2页浏览型号UC3854ANG4的Datasheet PDF文件第3页浏览型号UC3854ANG4的Datasheet PDF文件第4页浏览型号UC3854ANG4的Datasheet PDF文件第5页浏览型号UC3854ANG4的Datasheet PDF文件第6页浏览型号UC3854ANG4的Datasheet PDF文件第7页 
UC1854A  
UC2854A, UC2854B  
UC3854A, UC3854B  
www.ti.com  
SLUS329EMONTH 2003REVISED JANUARY 2008  
ADVANCED HIGH-POWER FACTOR PREREGULATOR  
1
FEATURES  
DESCRIPTION  
Controls Boost PWM to Near-Unity Power  
Factor  
The UC3854A/B products are pin compatible  
enhanced versions of the UC3854. Like the UC3854,  
these products provide all of 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 the ac input line voltage. To do this the  
UC3854A/B uses average current mode control.  
Average current mode control maintains stable, low  
distortion sinusoidal line current without the need for  
slope compensation, unlike peak current mode  
control.  
Limits Line Current Distortion To <3%  
World-Wide Operation Without Switches  
Accurate Power Limiting  
Fixed-Frequency Average Current-Mode  
Control  
High Bandwidth (5 MHz), Low-Offset Current  
Amplifier  
Integrated Current- and Voltage-Amplifier  
Output Clamps  
Multiplier Improvements: Linearity, 500 mV VAC  
Offset (Eliminates External Resistor), 0 V to  
5 V Multout Common-Mode Range  
A 1%, 7.5-V reference, fixed frequency oscillator,  
PWM, voltage amplifierwith soft-start, line voltage  
feedforward (VRMS squarer), input supply voltage  
clamp, and over current comparator round out the lilst  
of feataures.  
VREF GOOD Comparator  
Faster and Improved Accuracy ENABLE  
Comparator  
Available in the 16-pin N (PDIP), DW (SOIC Wide),  
and J (CDIP) and 20-pin Q (PLCC) package. See  
Ordering Information table for availability by  
temperature range.  
UVLO Options (16 V/10 V or 10.5 V/10 V)  
300-µA Start-Up Supply Current  
BLOCK DIAGRAM  
VAO  
7
MOUT  
5
CAO PKLMT  
REF  
9
3
2
V
CC  
7.5 V REF  
(A) 16 V / 10 V  
(B) 10.5 V / 10 V  
RUN  
10  
ENA  
7.1 V  
IC  
POWER  
2.65 V / 2.15 V  
3 V  
15 VCC  
A
11  
6
VSENSE  
IAC  
R
R
S
B
C
16 GTDRV  
Q
2
X
8
VRMS  
SS  
RUN  
14 µA  
20 V  
13  
A   B  
+
I
OSC  
1
GND  
MOUT  
C
4
14  
CT  
12  
ISENSE  
RSET  
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 © 2003–2008, Texas Instruments Incorporated  

UC3854ANG4 替代型号

型号 品牌 替代类型 描述 数据表
UC3854BN TI

完全替代

ADVANCED HIGH-POWER FACTOR PREREGULATOR
UC3854N TI

类似代替

High Power Factor Preregulator
UC3854AN TI

类似代替

ADVANCED HIGH-POWER FACTOR PREREGULATOR

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