ZHCSQS6C
November 2007 – January 2024
TPS5420-Q1
PRODUCTION DATA
1
1
特性
2
应用
3
说明
4
静电放电警告
5
Ordering Information
6
Pin Assignments
6.1
Terminal 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
Application Information
8.1
Functional Block Diagram
8.2
Detailed Description
8.2.1
Oscillator Frequency
8.2.2
Voltage Reference
8.2.3
Enable (ENA) and Internal Slow Start
8.2.4
Undervoltage Lockout (UVLO)
8.2.5
Boost Capacitor (BOOT)
8.2.6
Output Feedback (VSENSE)
8.2.7
Internal Compensation
8.2.8
Voltage Feed Forward
8.2.9
Pulse-Width-Modulation (PWM) Control
8.2.10
Overcurrent Limiting
8.2.11
Overvoltage Protection (OVP)
8.2.12
Thermal Shutdown
8.2.13
PCB Layout
8.2.14
Application Circuits
8.2.15
Design Procedure
8.2.15.1
Design Parameters
8.2.15.2
Switching Frequency
8.2.15.3
Input Capacitors
8.2.15.4
Output Filter Components
8.2.15.4.1
Inductor Selection
8.2.15.4.2
Capacitor Selection
40
41
8.2.15.5
Output Voltage Setpoint
8.2.15.6
Boot Capacitor
8.2.15.7
Catch Diode
8.2.15.8
Additional Circuits
8.2.15.9
Circuit Using Ceramic Output Filter Capacitors
8.2.15.10
Output Filter Component Selection
8.2.15.11
External Compensation Network
8.3
Advanced Information
8.3.1
Output Voltage Limitations
8.3.2
Internal Compensation Network
8.3.3
Thermal Calculations
8.4
Performance Graphs
9
Revision History
封装选项
机械数据 (封装 | 引脚)
D|8
MSOI002K
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsqs6c_oa
zhcsqs6c_pm
7.3
Recommended Operating Conditions
Over operating junction temperature range (unless otherwise noted)
MIN
NOM
MAX
UNIT
Input voltage
Input voltage range
5.5
36
V
T
J
Operating junction temperature
-40
125
°C