SNVS602L March 2009 – June 2016 LM3409 , LM3409-Q1 , LM3409HV , LM3409HV-Q1
PRODUCTION DATA.
- 1 Features
- 2 Applications
- 3 Description
- 4 Revision History
- 5 Device Comparison Table
- 6 Pin Configuration and Functions
- 7 Specifications
-
8 Detailed Description
- 8.1 Overview
- 8.2 Functional Block Diagram
- 8.3 Feature Description
- 8.4 Device Functional Modes
-
9 Application and Implementation
- 9.1
Application Information
- 9.1.1 Input Undervoltage Lockout (UVLO)
- 9.1.2 Operation Near Dropout
- 9.1.3 LED Ripple Current
- 9.1.4 Buck Converters without Output Capacitors
- 9.1.5 Buck Converters With Output Capacitors
- 9.1.6 Output Overvoltage Protection
- 9.1.7 Input Capacitors
- 9.1.8 P-Channel MOSFET (PFET)
- 9.1.9 Re-Circulating Diode
- 9.2
Typical Applications
- 9.2.1 EN PIN PWM Dimming Application for 10 LEDs
- 9.2.2 Analog Dimming Application for 4 LEDs
- 9.2.3 LM3409 Buck Converter Application
- 9.1
Application Information
- 10Power Supply Recommendations
- 11Layout
- 12Device and Documentation Support
- 13Mechanical, Packaging, and Orderable Information
封裝選項
機械數據 (封裝 | 引腳)
散熱焊盤機械數據 (封裝 | 引腳)
- DGQ|10
訂購信息
12 Device and Documentation Support
12.1 Device Support
12.1.1 Third-Party Products Disclaimer
TI'S PUBLICATION OF INFORMATION REGARDING THIRD-PARTY PRODUCTS OR SERVICES DOES NOT CONSTITUTE AN ENDORSEMENT REGARDING THE SUITABILITY OF SUCH PRODUCTS OR SERVICES OR A WARRANTY, REPRESENTATION OR ENDORSEMENT OF SUCH PRODUCTS OR SERVICES, EITHER ALONE OR IN COMBINATION WITH ANY TI PRODUCT OR SERVICE.
12.2 Related Links
The table below lists quick access links. Categories include technical documents, support and community resources, tools and software, and quick access to sample or buy.
Table 3. Related Links
| PARTS | PRODUCT FOLDER | SAMPLE & BUY | TECHNICAL DOCUMENTS | TOOLS & SOFTWARE | SUPPORT & COMMUNITY |
|---|---|---|---|---|---|
| LM3409 | Click here | Click here | Click here | Click here | Click here |
| LM3409-Q1 | Click here | Click here | Click here | Click here | Click here |
| LM3409HV | Click here | Click here | Click here | Click here | Click here |
| LM3409HV-Q1 | Click here | Click here | Click here | Click here | Click here |
12.3 Community Resources
The following links connect to TI community resources. Linked contents are provided "AS IS" by the respective contributors. They do not constitute TI specifications and do not necessarily reflect TI's views; see TI's Terms of Use.
-
TI E2E™ Online Community TI's Engineer-to-Engineer (E2E) Community. Created to foster collaboration among engineers. At e2e.ti.com, you can ask questions, share knowledge, explore ideas and help solve problems with fellow engineers.
-
Design Support TI's Design Support Quickly find helpful E2E forums along with design support tools and contact information for technical support.
12.4 Trademarks
E2E is a trademark of Texas Instruments.
All other trademarks are the property of their respective owners.
12.5 Electrostatic Discharge Caution
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
12.6 Glossary
SLYZ022 — TI Glossary.
This glossary lists and explains terms, acronyms, and definitions.