SNVS209G
November 2002 – May 2019
LM2733
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Typical Application Circuit
Efficiency vs. Load Current
4
Revision History
5
Pin Configuration and Functions
Pin 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
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Switching Frequency
7.4
Device Functional Modes
7.4.1
Shutdown Pin Operation
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Selecting the External Capacitors
8.2.2.2
Selecting the Output Capacitor
8.2.2.3
Selecting the Input Capacitor
8.2.2.4
Feedforward Compensation
8.2.2.5
Selecting Diodes
8.2.2.6
Setting the Output Voltage
8.2.2.7
Switching Frequency
8.2.2.8
Duty Cycle
8.2.2.9
Inductance Value
8.2.2.10
Maximum Switch Current
8.2.2.11
Calculating Load Current
8.2.2.12
Design Parameters VSW and ISW
8.2.2.13
Thermal Considerations
8.2.2.14
Minimum Inductance
8.2.2.15
Inductor Suppliers
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Trademarks
11.2
Electrostatic Discharge Caution
11.3
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBV|5
MPDS018T
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snvs209g_oa
snvs209g_pm
2
Applications
White LED current source
PDAs and palm-top computers
Digital cameras
Portable phones and games
Local boost regulator