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TPS43337QDAPQ1 PDF预览

TPS43337QDAPQ1

更新时间: 2024-09-29 19:47:43
品牌 Logo 应用领域
德州仪器 - TI 开关光电二极管
页数 文件大小 规格书
37页 1194K
描述
IC DUAL SWITCHING CONTROLLER, Switching Regulator or Controller

TPS43337QDAPQ1 技术参数

生命周期:Obsolete包装说明:HTSSOP,
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.83
其他特性:ALSO OPERATES IN PFM MODE; ALSO HAS 3.4V, 7V, 8.85V AND 10V模拟集成电路 - 其他类型:DUAL SWITCHING CONTROLLER
控制模式:CURRENT/VOLTAGE-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:40 V最小输入电压:4 V
标称输入电压:13 VJESD-30 代码:R-PDSO-G38
长度:12.5 mm功能数量:1
端子数量:38最高工作温度:125 °C
最低工作温度:-40 °C标称输出电压:1.235 V
封装主体材料:PLASTIC/EPOXY封装代码:HTSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
筛选级别:AEC-Q100座面最大高度:1.2 mm
表面贴装:YES切换器配置:BUCK-BOOST
最大切换频率:600 kHz温度等级:AUTOMOTIVE
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL宽度:6.1 mm
Base Number Matches:1

TPS43337QDAPQ1 数据手册

 浏览型号TPS43337QDAPQ1的Datasheet PDF文件第2页浏览型号TPS43337QDAPQ1的Datasheet PDF文件第3页浏览型号TPS43337QDAPQ1的Datasheet PDF文件第4页浏览型号TPS43337QDAPQ1的Datasheet PDF文件第5页浏览型号TPS43337QDAPQ1的Datasheet PDF文件第6页浏览型号TPS43337QDAPQ1的Datasheet PDF文件第7页 
TPS43337-Q1  
www.ti.com  
SLVSBC2 AUGUST 2013  
LOW IQ, SINGLE-BOOST, FIXED-VOLTAGE DUAL SYNCHRONOUS BUCK CONTROLLER  
Check for Samples: TPS43337-Q1  
1
FEATURES  
Peak Gate Drive Current 1.5 A  
Thermally Enhanced 38-Pin HTSSOP (DAP)  
PowerPAD™ Package  
2
Qualified for Automotive Applications  
AEC-Q100 Qualified With the Following  
Results:  
APPLICATIONS  
Device Temperature Grade 1: –40°C to  
+125°C Ambient Operating Temperature  
Automotive Start-Stop, Infotainment,  
Navigation Instrument Cluster Systems  
Device HBM ESD Classification Level H2  
Device CDM ESD Classification Level C2  
Industrial and Automotive Multi-Rail DC  
Power-Distribution Systems and Electronic  
Control Units  
Two Synchronous Buck Controllers  
BuckA: Fixed Output Voltage of 3.4 V  
BuckB: Fixed Output Voltage of 1.235 V  
One Pre-Boost Controller  
DESCRIPTION  
The TPS43337-Q1 includes two current-mode  
synchronous buck controllers and a voltage-mode  
boost controller. The device is ideally suited as a pre-  
regulator stage with low IQ requirements and for  
systems that must survive supply drops due to  
cranking events. The integrated boost controller  
allows the device to operate down to 2 V at the input  
without seeing a drop on the buck regulator output  
stages. At light loads, the buck controllers enable to  
operate automatically in low power-mode, consuming  
just 34 µA of quiescent current.  
Input Range up to 40 V, (Transients up to 60  
V), Operation Down to 2 V When Boost Is  
Enabled  
Low-Power Mode IQ: 34 µA (One Buck On), 43  
µA (Two Bucks On)  
Low Shutdown Current Ish < 4 µA  
Boost Output Selectable: 7 V, 8.85 V, or 10 V  
Programmable Frequency and External  
Synchronization Range: 150 to 600 kHz  
The buck controllers have independent soft-start  
capability and power-good indicators. Current  
foldback in the buck controllers and cycle-by-cycle  
current limitation in the boost controller provide  
external MOSFET protection. The switching  
frequency is programable over 150 to 600 kHz or is  
synchronized to an external clock in the same range  
Separate Enable Inputs (ENA, ENB, ENC)  
Selectable Forced Continuous Mode or  
Automatic Low-Power Mode at Light Loads  
Sense Resistor or Inductor DCR Sensing for  
Buck Controllers  
Out-of-Phase Switching Between Buck  
Channels  
VBAT  
VBuckA  
TPS43337-Q1  
VBuckB  
2 V  
Figure 1. Typical Application Diagram  
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
PowerPAD is a trademark of Texas Instruments.  
PRODUCT PREVIEW information concerns products in the  
formative or design phase of development. Characteristic data and  
other specifications are design goals. Texas Instruments reserves  
the right to change or discontinue these products without notice.  
Copyright © 2013, Texas Instruments Incorporated  

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