ZHCSIH1A
July 2018 – September 2019
TPS56637
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
简化原理图
效率与输出电流间的关系 VOUT = 5V
4
修订历史记录
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
Handling Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
The Adaptive On-Time Control and PWM Operation
7.3.2
Mode Selection
7.3.2.1
Eco-mode™ Control Scheme
7.3.2.2
FCCM Control
7.3.3
Soft Start and Pre-Biased Soft Start
7.3.4
Enable and Adjusting Undervoltage Lockout
7.3.5
Output Overcurrent Limit and Undervoltage Protection
7.3.6
Overvoltage Protection
7.3.7
UVLO Protection
7.3.8
Thermal Shutdown
7.3.9
Output Voltage Discharge
7.3.10
Power Good
7.4
Device Functional Modes
7.4.1
Standby Operation
7.4.2
Normal Operation
7.4.3
Light Load Operation
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Output Voltage Resistors Selection
8.2.2.2
Output Filter Selection
8.2.2.3
Input Capacitor Selection
8.2.2.4
Bootstrap Capacitor Selection
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
器件和文档支持
11.1
文档支持
11.1.1
相关文档
11.2
接收文档更新通知
11.3
社区资源
11.4
商标
11.5
静电放电警告
11.6
Glossary
12
机械、封装和可订购信息
12.1
Package Option Addendum
12.1.1
Packaging Information
12.1.2
Tape and Reel Information
8.2.3
Application Curves
Figure 18.
Efficiency
Figure 20.
Line Regulation
Figure 22.
Steady State Waveforms, I
OUT
= 0.01 A
Figure 24.
Steady State Waveforms, I
OUT
= 3 A
Figure 26.
Transient Response 0 to 3 A
Figure 28.
Transient Response 0.6 to 5.4 A
Figure 30.
Startup Relative to V
IN
1.
Figure 32.
Enable Relative to EN
Figure 19.
Load Regulation
V
IN
= 24V
V
OUT
= 5V
I
OUT
= 6A
Figure 21.
Bode Plot
Figure 23.
Steady State Waveforms, I
OUT
= 0.6 A
Figure 25.
Steady State Waveforms, I
OUT
= 6 A
Figure 27.
Transient Response 0 to 6 A
Figure 29.
Transient Response 3 to 6 A
Figure 31.
Shutdown Relative to V
IN
1.
Figure 33.
Disable Relative to EN
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