ZHCSM44
October 2020
TPS562207S
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Device Comparison Table
6
Pin Configuration and 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 Diagram
8.3
Feature Description
8.3.1
Adaptive On-Time Control and PWM Operation
8.3.2
Soft Start and Pre-Biased Soft Start
8.3.3
Current Protection
8.3.4
Undervoltage Lockout (UVLO) Protection
8.3.5
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Normal Operation
8.4.2
Standby Operation
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
Output Voltage Resistors Selection
9.2.2.2
Output Filter Selection
9.2.2.3
Input Capacitor Selection
9.2.2.4
Bootstrap Capacitor Selection
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
Receiving Notification of Documentation Updates
12.2
Support Resources
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
13
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
DRL|6
MPDS159F
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsm44_oa
7.6
Typical Characteristics
V
IN
= 12 V (unless otherwise noted)
Figure 7-1
Supply Current vs Junction Temperature
Figure 7-3
EN Off-threshold Voltage vs Junction Temperature
Figure 7-5
High-Side R
ds-On
vs Junction Temperature
Figure 7-7
Switching Frequency vs Input Voltage
Figure 7-9
V
OUT
= 0.95 V Efficiency, L = 2.2 µH
Figure 7-11
V
OUT
= 1.5 V Efficiency, L = 2.2 µH
Figure 7-13
V
OUT
= 3.3 V Efficiency, L = 3.3 µH
Figure 7-2
FB Voltage vs Junction Temperature
Figure 7-4
EN On-threshold Voltage vs Junction Temperature
Figure 7-6
Low-Side R
ds-On
vs Junction Temperature
Figure 7-8
Switching Frequency vs Output Current
Figure 7-10
V
OUT
= 1.05 V Efficiency, L = 2.2 µH
Figure 7-12
V
OUT
= 1.8 V Efficiency, L = 2.2 µH
Figure 7-14
V
OUT
= 5 V Efficiency, L = 4.7 µH