ZHCS803E
June 2013 – February 2020
LMZ31704
PRODUCTION DATA.
1
特性
2
应用
3
说明
简化应用
4
修订历史记录
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Package Specifications
5.5
Thermal Information
5.6
Electrical Characteristics
6
Device Information
6.1
Functional Block Diagram
Pin Functions
7
Typical Characteristics (PVIN = VIN = 12 V)
8
Typical Characteristics (PVIN = VIN = 5 V)
9
Typical Characteristics (PVIN = 3.3 V, VIN = 5 V)
10
Application Information
10.1
Adjusting the Output Voltage
10.2
Capacitor Recommendations for the LMZ31704 Power Supply
10.2.1
Capacitor Technologies
10.2.1.1
Electrolytic, Polymer-Electrolytic Capacitors
10.2.1.2
Ceramic Capacitors
10.2.1.3
Tantalum, Polymer-Tantalum Capacitors
10.2.2
Input Capacitor
10.2.3
Output Capacitor
10.3
Transient Response
10.4
Transient Waveforms
10.5
Application Schematics
10.6
Custom Design With WEBENCH® Tools
10.7
VIN and PVIN Input Voltage
10.8
3.3 V PVIN Operation
10.9
Power Good (PWRGD)
10.10
SYNC_OUT
10.11
Parallel Operation
10.12
Light Load Efficiency (LLE)
10.13
Power-Up Characteristics
10.14
Pre-Biased Start-up
10.15
Remote Sense
10.16
Thermal Shutdown
10.17
Output On/Off Inhibit (INH)
10.18
Slow Start (SS/TR)
10.19
Overcurrent Protection
10.20
Synchronization (CLK)
10.21
Sequencing (SS/TR)
10.22
Programmable Undervoltage Lockout (UVLO)
10.23
Layout Considerations
10.24
EMI
11
器件和文档支持
11.1
器件支持
11.1.1
开发支持
11.1.1.1
使用 WEBENCH® 工具创建定制设计
11.2
文档支持
11.2.1
相关文档
11.3
接收文档更新通知
11.4
支持资源
11.5
商标
11.6
静电放电警告
11.7
Glossary
12
机械、封装和可订购信息
12.1
Tape and Reel Information
封装选项
机械数据 (封装 | 引脚)
RVQ|42
MPQF306C
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcs803e_oa
zhcs803e_pm
5.4
Package Specifications
LMZ31704
UNIT
Weight
1.45 grams
Flammability
Meets UL 94 V-O
MTBF Calculated reliability
Per Bellcore TR-332, 50% stress, T
A
= 40°C, ground benign
37.4 MHrs
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