SLAS928B
March 2013 – November 2016
LP3988-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Requirements
6.7
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Enable (En)
8.3.2
Regulated Output (OUT)
8.3.3
Power Good (PG) Output
8.3.4
PG Delay Time
8.3.5
Current Limit
8.3.6
Thermal Shutdown (TSD)
8.3.7
Fast Turnon Time
8.4
Device Functional Modes
8.4.1
Normal Operation
8.4.2
Dropout Operation
8.4.3
On/Off Input Operation
8.4.4
Disabled
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
External Capacitors
9.2.2.2
Input Capacitor
9.2.2.3
Output Capacitors
9.2.2.4
No-Load Stability
9.2.2.5
Capacitor Characteristics
9.2.2.6
Power Dissipation
9.2.2.7
Estimating Junction Temperature
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
Related Documentation
12.2
Receiving Notification Of Documentation Updates
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, And Orderable Information
パッケージ・オプション
デバイスごとのパッケージ図は、PDF版データシートをご参照ください。
メカニカル・データ(パッケージ|ピン)
DBV|5
サーマルパッド・メカニカル・データ
発注情報
slas928b_oa
slas928b_pm
7
Parameter Measurement Information
Figure 13.
Power-Good Flag Timing
Figure 14.
Line Transient Response Input Perturbation
Figure 15.
PSRR Input Perturbation