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TPS6306x 具有 2A 开关电流的高输入电压降压/升压转换器
ZHCS705C
november 2011 – september 2020
TPS63060
,
TPS63061
PRODUCTION DATA
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TPS6306x 具有 2A 开关电流的高输入电压降压/升压转换器
1
1
特性
2
应用
3
说明
4
Revision History
5
Device Comparison
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagrams
8.3
Feature Description
8.3.1
Power Good
8.3.2
Soft-Start Function
8.3.3
Short-Circuit Protection
8.3.4
Overvoltage Protection
8.3.5
Undervoltage Lockout
8.3.6
Overtemperature Protection
8.4
Device Functional Modes
8.4.1
Buck-Boost Operation
8.4.2
Control Loop
8.4.3
Power-Save Mode
8.4.4
Synchronization
8.4.5
Dynamic Voltage Positioning
8.4.6
Dynamic Current Limit
8.4.7
Device Enable
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Step One: Output Filter Design
9.2.2.2
Step Two: Inductor Selection
9.2.2.3
Step Three: Capacitor Selection
9.2.2.3.1
Input Capacitors
9.2.2.3.2
Output Capacitor
9.2.2.3.3
Bypass Capacitor
9.2.2.4
Step Four: Setting the Output Voltage
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Development Support
12.2
Documentation Support
12.2.1
Related Documentation
12.3
Receiving Notification of Documentation Updates
12.4
Community Resources
12.5
Trademarks
13
Mechanical, Packaging, and Orderable Information
重要声明
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Data Sheet
TPS6306x
具有 2A 开关电流的高输入电压降压/升压转换器
本资源的原文使用英文撰写。 为方便起见,TI 提供了译文;由于翻译过程中可能使用了自动化工具,TI 不保证译文的准确性。 为确认准确性,请务必访问 ti.com 参考最新的英文版本(控制文档)。
1
特性
输入电压范围:2.5 V 至 12 V
效率:高达 93%
5V 时的输出电流 (V
IN
< 10V):
降压模式下为 2A
5V 时的输出电流 (V
IN
> 4V):
升压模式下为 1.3A
在降压和升压模式之间自动转换
器件典型静态电流:< 30μA
输出电压可以是固定的,也可以调节,范围是 2.5 V 至 8 V
省电模式,改善低输出功率时的效率
2.4MHz 强制固定频率运行,可实现同步
电源正常状态输出
Buck-Boost Overlap Control™
关断期间负载断开
提供过热保护
过压保护
2
应用
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