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Datasheet > 电源电路 > 开关式稳压器或控制器> TPS43335QDAPRQ1
TPS43335QDAPRQ1 PDF预览

TPS43335QDAPRQ1

更新时间： 2024-02-05 11:20:06
品牌 Logo 应用领域
德州仪器 - TI 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
42页 1573K
描述
LOW IQ, SINGLE BOOST, DUAL SYNCHRONOUS BUCK CONTROLLER

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TPS43335QDAPRQ1 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：TSSOP
包装说明：HTSSOP, TSSOP38,.32针数：38
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.74Is Samacsys：N
其他特性：ALSO HAS A CONTROL TECHNIQUE OF PFM; OPERATES IN ADJUSTABLE MODE FROM 0.9 TO 11V模拟集成电路 - 其他类型：DUAL SWITCHING CONTROLLER
控制模式：CURRENT-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
JESD-609代码：e4长度：12.5 mm
湿度敏感等级：3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最大输出电流：3 A
最大输出电压：11 V最小输出电压：0.9 V
封装主体材料：PLASTIC/EPOXY封装代码：HTSSOP
封装等效代码：TSSOP38,.32封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.2 mm
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：PHASE-SHIFT最大切换频率：600 kHz
温度等级：AUTOMOTIVE端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：6.1 mmBase Number Matches：1

TPS43335QDAPRQ1 数据手册

 浏览型号TPS43335QDAPRQ1的Datasheet PDF文件第2页浏览型号TPS43335QDAPRQ1的Datasheet PDF文件第3页浏览型号TPS43335QDAPRQ1的Datasheet PDF文件第4页浏览型号TPS43335QDAPRQ1的Datasheet PDF文件第5页浏览型号TPS43335QDAPRQ1的Datasheet PDF文件第6页浏览型号TPS43335QDAPRQ1的Datasheet PDF文件第7页 
TPS43335-Q1  
TPS43336-Q1  
www.ti.com  
SLVSAV6B –JUNE 2011–REVISED JULY 2012  
LOW IQ, SINGLE BOOST, DUAL SYNCHRONOUS BUCK CONTROLLER  
Check for Samples: TPS43335-Q1, TPS43336-Q1  
1
FEATURES  
2
•
Qualified for Automotive Applications  
•
•
•
Separate Enable Inputs (ENA, ENB)  
•
AEC-Q100 Test Guidance With the Following  
Results:  
Frequency Spread Spectrum (TPS43332)  
Selectable Forced Continuous Mode or  
–
Device Temperature Grade 1: –40°C to  
125°C Ambient Operating Temperature  
Automatic Low-Power Mode at Light Loads  
•
•
Sense Resistor or Inductor DCR Sensing  
–
–
Device HBM ESD Classification Level H2  
Device CDM ESD Classification Level C2  
Out-of-Phase Switching Between Buck  
Channels  
•
•
•
Two Synchronous Buck Controllers  
One Pre-Boost Controller  
•
•
Peak Gate-Drive Current 0.7 A  
Thermally Enhanced 38-Pin HTSSOP (DAP)  
PowerPAD™ Package  
Input Range up to 40 V, (Transients up to 60  
V), Operation Down to 2 V When Boost is  
Enabled  
APPLICATIONS  
•
Automotive Start-Stop, Infotainment,  
Navigation Instrument Cluster Systems  
•
Low Power Mode IQ: 30 µA (One Buck On),  
35 µA (Two Bucks On)  
•
Industrial and Automotive Multi-Rail DC Power  
Distribution Systems and Electronic Control  
Units  
•
•
•
•
Low Shutdown Current Ish < 4 µA  
Buck Output Range 0.9 V to 11 V  
Boost Output Selectable: 7 V, 10 V, or 11 V  
Programmable frequency and External  
Synchronization Range 150 kHz to 600 kHz  
DESCRIPTION  
The TPS43335-Q1 and TPS43336-Q1 include two current-mode synchronous buck controllers and a voltage-  
mode boost controller. The devices are ideally suited as a pre-regulator stage with low Iq requirements and for  
applications that must survive supply drops due to cranking events. The integrated boost controller allows the  
devices 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 can be enabled to operate automatically in low-power mode, consuming just 30 µA of  
quiescent current.  
The buck controllers have independent soft-start capability and power-good indicators. External MOSFET  
protection is provided by current foldback in the buck controllers and cycle-by-cycle current limitation in the boost  
controller. The switching frequency can be programmed over 150 kHz to 600 kHz or synchronized to an external  
clock in the same range. Additionally, the TPS43336-Q1 offers frequency-hopping spread-spectrum operation.  
spacer  
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.  
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 © 2011–2012, Texas Instruments Incorporated  
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