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UCC29412PG4 PDF预览

UCC29412PG4

更新时间： 2024-11-20 15:55:55
品牌 Logo 应用领域
德州仪器 - TI 信息通信管理开关光电二极管
页数 文件大小 规格书
17页 426K
描述
IC 0.715 A SWITCHING REGULATOR, 500 kHz SWITCHING FREQ-MAX, PDIP8, PLASTIC, DIP-8, Switching Regulator or Controller

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UCC29412PG4 技术参数

生命周期：Obsolete零件包装代码：DIP
包装说明：DIP,针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.84
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：CURRENT-MODE
最大输入电压：3.8 V最小输入电压：1 V
标称输入电压：1.25 VJESD-30 代码：R-PDIP-T8
长度：9.81 mm功能数量：1
端子数量：8最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：0.715 A
封装主体材料：PLASTIC/EPOXY封装代码：DIP
封装形状：RECTANGULAR封装形式：IN-LINE
认证状态：Not Qualified座面最大高度：5.08 mm
表面贴装：NO切换器配置：BOOST
最大切换频率：500 kHz技术：BICMOS
温度等级：INDUSTRIAL端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
宽度：7.62 mmBase Number Matches：1

UCC29412PG4 数据手册

 浏览型号UCC29412PG4的Datasheet PDF文件第2页浏览型号UCC29412PG4的Datasheet PDF文件第3页浏览型号UCC29412PG4的Datasheet PDF文件第4页浏览型号UCC29412PG4的Datasheet PDF文件第5页浏览型号UCC29412PG4的Datasheet PDF文件第6页浏览型号UCC29412PG4的Datasheet PDF文件第7页 
UCC29411, UCC29412  
UCC29413, UCC39411  
UCC39412, UCC39413  
www.ti.com  
SLUS245E–MARCH 2000–REVISED JULY 2005  
LOW-POWER SYNCHRONOUS BOOST CONVERTER  
FEATURES  
PW PACKAGE  
(TOP VIEW)  
•
1 V Input Voltage Operation Start-Up Ensured  
Under Full Load on Main Output, and  
Operation Down to 0.5 V  
1
2
3
4
8
7
6
5
VIN  
SD/FB  
RESB  
CT  
VGD  
VOUT  
SW  
•
200 mW Output Power at Battery Voltages as  
Low as 0.8 V  
GND  
•
•
•
Secondary 7 V Supply from a Single Inductor  
Output Fully Disconnected in Shutdown  
D PACKAGE  
(TOP VIEW)  
Adaptive Current Mode Control for Optimum  
Efficiency  
VOUT  
VGD  
SW  
1
2
3
4
8
7
6
5
•
•
•
High Efficiency Over Wide Operating Range  
6 µA Shutdown Supply Current  
GND  
CT  
VIN  
SD/FB  
RESB  
Output Reset Function with Programmable  
Reset Period  
DESCRIPTION  
The UCCx9411 family of low-input voltage, single-inductor-boost converters is optimized to operate from a single  
or dual alkaline cell, and steps up to a 3.3 V, 5 V, or adjustable output at 200 mW. The UCCx9411 family also  
provides an auxiliary 7 V output, primarily for the gate-drive supply, which can be used for applications requiring  
an auxiliary output, such as 5 V, by linear regulating. The primary output starts up under full load at input  
voltages typically as low as 0.8 V with a ensured max of 1 V, and operates down to 0.5 V once the converter is  
operating, thereby maximizing battery usage.  
SIMPLIFIED BLOCK DIAGRAM AND APPLICATION CIRCUIT  
+
µ
H
22  
F
µ
100  
SW  
1 V TO 3.5 V  
VIN  
1
6
VGD  
3.3 V 200 mW  
VOUT  
8
1.2  
Ω
7
F
µ
100  
F
µ
100  
START–UP  
CIRCUITRY  
Ω
0.5  
MODULATOR CONTROL CIRCUIT  
R
RES  
SYNCHRONOUS RECTIFICATION CIRCUITRY  
ANTI–CROSS CONDUCTION  
START–UP  
MULTIPLEXING LOGIC  
MAX INPUT POWER CONTROL  
ADAPTIVE CURRENT CONTROL  
RESB  
3
RESET CONTROL CIRCUIT  
GLITCH SUPRESSION  
SD/FB  
2
CT  
PROGRAMMABLE TIMING  
4
5
C
T
GND  
A. Pinout shown is for the TSSOP Package. Consult Package Descriptions for the SOIC configurations.  
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.  
Copyright © 2000–2005, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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