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TPS40400 PDF预览

TPS40400

更新时间: 2024-09-15 08:39:03
品牌 Logo 应用领域
德州仪器 - TI 控制器
页数 文件大小 规格书
72页 1956K
描述
3.0-V TO 20-V PMBus SYNCHRONOUS BUCK CONTROLLER

TPS40400 数据手册

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TPS40400  
www.ti.com  
SLUS930B APRIL 2011REVISED OCTOBER 2011  
3.0-V TO 20-V PMBus SYNCHRONOUS BUCK CONTROLLER  
Check for Samples: TPS40400  
1
FEATURES  
APPLICATIONS  
2
Input Operating Voltage Range: 3 V to 20 V  
PMBus Enabled Analog Controller  
Reference 600 mV ± 1%  
Smart Power Systems  
Power Supply Modules  
Communications Equipment  
Computing Equipment  
Remote Voltage Sense Amplifier  
Internal 6-V Regulator and 6-V Gate Drive  
Programmable Overcurrent Protection  
DESCRIPTION  
The TPS40400 is  
a
cost-optimized flexible  
Inductor Resistance or Series Resistance  
Used for Current Sensing  
synchronous buck controller that operates from a  
nominal 3 V to 20 V supply. This controller is an  
analog PWM controller that allows programming and  
monitoring via the PMBus interface. Flexible features  
found on this device include programmable soft-start  
time, programmable short circuit limit and  
programmable undervoltage lockout (UVLO).  
Programmable Switching Frequency: 200 kHz  
to 2 MHz  
Powergood Indicator  
Thermal Shutdown  
Programmable Soft-Start  
Internal Bootstrap Diode  
Pre-bias Output Safe  
24-Pin QFN Package  
XXspacerXX  
XXXX  
XXXX  
SMBALRT  
DATA  
VIN  
CLK  
CNTL  
1
2
3
4
5
6
CLK  
DATA 24  
SMBALRT 23  
ADDR1 22  
ADDR0 21  
VDD 20  
CNTL  
PGOOD  
SYNC  
PGOOD  
SYNC  
TRACK  
COMP  
TRACK  
HDRV 19  
TPS40400  
7
8
FB  
BOOT 18  
SW 17  
VOUT  
+
DIFFO  
9
VSNS+  
LDRV 16  
GND 15  
VOUT  
10 VSNS–  
11 ISNS–  
ISNS+  
12  
BP6 14  
BP3  
SGND  
25  
13  
SNS+  
SNS–  
UDG-09073  
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
SwitcherPro 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 © 2011, Texas Instruments Incorporated  

TPS40400 替代型号

型号 品牌 替代类型 描述 数据表
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