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TPS40200HDR PDF预览

TPS40200HDR

更新时间： 2024-11-05 13:14:51
品牌 Logo 应用领域
德州仪器 - TI 输入元件控制器
页数 文件大小 规格书
39页 2821K
描述
High Temperature Wide Input Non-Synchronous Buck DC/DC Controller 8-SOIC -55 to 175

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中文翻译

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TPS40200HDR 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：SOP,
Reach Compliance Code：compliantFactory Lead Time：6 weeks
风险等级：5.7模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：52 V最小输入电压：5.5 V
标称输入电压：12 VJESD-30 代码：R-PDSO-G8
JESD-609代码：e4长度：4.9 mm
湿度敏感等级：1功能数量：1
端子数量：8最高工作温度：175 °C
最低工作温度：-55 °C最大输出电流：3 A
最大输出电压：46 V最小输出电压：0.7 V
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260座面最大高度：1.75 mm
表面贴装：YES切换器配置：SINGLE
最大切换频率：500 kHz温度等级：MILITARY
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.9 mm
Base Number Matches：1

TPS40200HDR 数据手册

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TPS40200  
www.ti.com  
SLUS659–FEBRUARY 2006  
WIDE INPUT RANGE NON-SYNCHRONOUS VOLTAGE MODE CONTROLLER  
FEATURES  
DESCRIPTION  
•
•
•
•
•
•
Input Voltage Range 4.5 to 52 V  
Output Voltage (700 mV to 90% Vin)  
200 mA Internal P-FET Driver  
Voltage Feed-Forward Compensation  
Undervoltage Lockout  
The TPS40200 is  
a
flexible non-synchronous  
controller with a built in 200-mA driver for P-channel  
FETs. The circuit operates with inputs up to 52 volts  
with a power-saving feature that turns off driver  
current once the external FET has been fully turned  
on. This feature extends the flexibility of the device,  
allowing it to operate with an input voltage up to 52  
volts without dissipating excessive power. The circuit  
operates with voltage-mode feedback and has  
Programmable Fixed Frequency (35–500 kHz)  
Operation  
•
•
•
•
•
•
Programmable Short Circuit Protection  
Hiccup Overcurrent Fault Recovery  
Programmable Closed Loop Soft Start  
700 mV 1% Reference Voltage  
External Synchronization  
feed-forward  
input-voltage  
compensation  
that  
responds instantly to input voltage change. The  
integral 700-millivolt reference is trimmed to 2%,  
providing the means to accurately control low  
voltages. The TPS40200 is available in an 8 pin  
SOIC, and supports many of the features of more  
complex controllers. Clock frequency, soft-start, and  
overcurrent limit are each easily programmed by a  
single, external component. The part has  
undervoltage lockout, and can be easily synchronized  
to other controllers or a system clock to satisfy  
sequencing and/or noise-reduction requirements.  
Small 8-Pin SOIC (D) Package  
APPLICATIONS  
•
•
•
•
•
Industrial Control  
Distributed Power Systems  
DSL/Cable Modems  
Scanners  
Major sections in this data sheet include:  
•
•
•
•
Specifications  
Telecom  
General Information  
Example Applications  
Design References  
TYPICAL APPLICATION  
V
100  
90  
80  
70  
60  
50  
IN  
R5  
VIN = 8 V  
VIN = 12 V  
VIN = 16 V  
C1  
C3  
TPS40200  
1
2
3
4
RC  
VDD  
8
7
6
5
R
C4  
SENSE  
SS  
ISNS  
C5  
R3  
COMP GDRV  
Q1 L1  
V
OUT  
FB  
GND  
C2  
D1  
R4  
R1  
R2  
V
OUT  
= 5 V  
C6  
0
0.5  
1
1.5  
Load Current - A  
2
2.5  
3
Figure 1. 12 V to 5 V Buck Converter with 94% Efficiency  
Figure 2. Typical Efficiency of Application Circuit 1  
(described in Application 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.  
Copyright © 2006, 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.  
1234567...39

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