4 修订历史记录

Changes from E Revision (January 2016) to F Revision

• 已添加特性：与 TPS62090、TLV62095 和 TPS62095 引脚至引脚兼容Go
• 已添加特性：有关改进的功能集，请参见 TPS62090Go
• 已添加 WEBENCH 信息至特性，详细设计流程和器件支持部分Go
• Added SW (AC, less than 10 ns) to the Absolute Maximum Rating tableGo
• Added additional frequency curves to the Typical Characteristics sectionGo
• Added Table 1, Power Good Pin LogicGo

Changes from D Revision (September 2015) to E Revision

• 已将标题由“3A 高效同步”更改至“3A 高效同步Go
• 已将特性 “转换器效率为 95%”更改至“效率最高可达 98%”Go
• 已将特性 “两级短路保护”更改至“断续短路保护”Go
• 已将说明中的文本由“该器件在典型值为 20µA 的静态电流下工作”更改至“该器件静态工作电流的典型值为 20µA。”Go
• Deleted Note from the pinout drawing: The exposed Thermal Pad is connected to AGND.Go
• Changed the Pin Functions table I/O columnGo
• Changed the Pin Functions table Description column for pins FB, EN, and Thermal Pad Go
• Added pins CN and CP to the Voltage range in Absolute Maximum Ratings Go
• Deleted "Continuous total power dissipation" from Absolute Maximum RatingsGo
• Deleted Note 1 from Recommended Operating Conditions Go
• Added EN = Low to the Description of R_PD in Electrical Characteristics tableGo
• Deleted I_PG from the Electrical Characteristics tableGo
• Changed L_IMF to I_LIMF for High side FET switch current limit in the Electrical Characteristics tableGo
• Changed V_s to V_OUT for Output voltage range in the Electrical Characteristics tableGo
• Changed Figure 1 through Figure 2 Go
• Added Note 1 to the Functional Block Diagram Go
• Changed "Softstart (SS) and Output Capacitor during Startup" To: Softstart (SS) and Hiccup Current Limit During StartupGo
• Changed text From: "start-up especially for larger output capacitors >22 µF." To: "start-up especially for larger output capacitors." in Softstart (SS) and Hiccup Current Limit During StartupGo
• Rewrite the description in Voltage Tracking (SS)Go
• Deleted text "in PFM mode and with a minimum quiescent current while" from Power Save Mode Operation Go
• Changed V_OUT(max) to V_OUT in Equation 4 Go
• Deleted text "V_OUT(max) = nominal output voltage plus maximum output voltage tolerance" from Equation 4Go
• Added Note to Application and Implementation Go
• Added 10 nF to the description of C4, C5 in Table 3 Go
• Updated the Isat/DCR (max) column of Table 5Go
• Deleted text" The inductor needs to be rated for a saturation current as high as the typical switch current limit, of 4.6 A or according to Equation 5 and Equation 6." from Inductor Selection Go
• Changed Equation 5 and Equation 6 Go
• Changed the Input and Output Capacitor Selection section Go
• Changed Figure 19 Go
• Changed Figure 20 Go

Changes from C Revision (May 2014) to D Revision

• Moved Storage temperature From: ESD Ratings To: Absolute Maximum RatingsGo
• Changed table From: Handling Ratings To: ESD Ratings Go
• Added PWM mode, T_J = 25°C to Feedback voltage accuracy section of the Electrical Characteristics table Go

Changes from B Revision (April 2012) to C Revision

• 已添加 ESD 额定值表，特性 描述部分，器件功能模式，应用和实施部分，电源相关建议部分，布局部分，器件和文档支持部分以及机械、封装和可订购信息部分。Go
• Deleted text: "TPS62090 adjustable output version" from the Feedback voltage accuracy section of the Electrical Characteristics tableGo
• Changed Figure 1 From: Resistance (Ω) To: Resistance (mΩ)Go
• Added Application Curves to the Application Information sectionGo
• Deleted Typical applications from the Application Information section for: 1.8 V Adjustable Version, 1.5 V Adjustable Version, 1.2 V Adjustable Version and 1.05 V Adjustable VersionGo

Changes from A Revision (March 2012) to B Revision

• Changed the Input voltage range MAX value From: 6V To 5.5V in Electrical CharacteristicsGo

Changes from * Revision (March 2012) to A Revision

• Changed Vin From: 2.5V to 6V To: 2.5V to 5.5V in Figure 11Go