ZHCSH33Y
September 1997 – April 2020
LM317
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
电池充电器电路
4
修订历史记录
5
Device Comparison Table
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 Diagram
8.3
Feature Description
8.3.1
NPN Darlington Output Drive
8.3.2
Overload Block
8.3.3
Programmable Feedback
8.4
Device Functional Modes
8.4.1
Normal Operation
8.4.2
Operation With Low Input Voltage
8.4.3
Operation at Light Loads
8.4.4
Operation In Self Protection
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
9.3
System Examples
9.3.1
0-V to 30-V Regulator Circuit
9.3.2
Adjustable Regulator Circuit With Improved Ripple Rejection
9.3.3
Precision Current-Limiter Circuit
9.3.4
Tracking Preregulator Circuit
9.3.5
1.25-V to 20-V Regulator Circuit With Minimum Program Current
9.3.6
Battery-Charger Circuit
9.3.7
50-mA Constant-Current Battery-Charger Circuit
9.3.8
Slow Turn-On 15-V Regulator Circuit
9.3.9
AC Voltage-Regulator Circuit
9.3.10
Current-Limited 6-V Charger Circuit
9.3.11
Adjustable 4-A Regulator Circuit
9.3.12
High-Current Adjustable Regulator Circuit
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
器件和文档支持
12.1
接收文档更新通知
12.2
支持资源
12.3
商标
12.4
静电放电警告
12.5
Glossary
13
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
KCS|3
MPSF053A
KTT|3
MPSF006E
DCY|4
MPDS094A
散热焊盘机械数据 (封装 | 引脚)
KTT|3
PPTD068B
DCY|4
QFND222B
订购信息
zhcsh33y_oa
zhcsh33y_pm
1
特性
1.25V 至 37V 可调节输出电压范围
输出电流大于 1.5A
内部短路电流限制
热过载保护
输出安全区域补偿