Datasheet LT3741, LT3741-1 (Analog Devices) - 20
| Manufacturer | Analog Devices |
| Description | High Power, Constant Current, Constant Voltage, Step-Down Controller |
| Pages / Page | 24 / 20 — TYPICAL APPLICATIONS. 20A LED Driver. LED Current Waveforms 10A to. 20A … |
| File Format / Size | PDF / 639 Kb |
| Document Language | English |
TYPICAL APPLICATIONS. 20A LED Driver. LED Current Waveforms 10A to. 20A Current Step
Model Line for this Datasheet
- LT3741EFE#PBF LT3741EFE#PBF LT3741EFE#TRPBF LT3741EFE#TRPBF LT3741EFE-1#PBF LT3741EFE-1#TRPBF LT3741EUF#PBF LT3741EUF#PBF LT3741EUF#TRPBF LT3741EUF#TRPBF LT3741EUF-1#PBF LT3741EUF-1#TRPBF LT3741IFE#PBF LT3741IFE#PBF LT3741IFE#TRPBF LT3741IFE#TRPBF LT3741IFE-1#PBF LT3741IFE-1#TRPBF LT3741IUF#PBF LT3741IUF#PBF LT3741IUF#TRPBF LT3741IUF#TRPBF LT3741IUF-1#PBF LT3741IUF-1#TRPBF
Text Version of Document
LT3741/LT3741-1
TYPICAL APPLICATIONS 20A LED Driver LED Current Waveforms 10A to 20A Current Step
EN/UVLO EN/UVLO V V IN IN 12V TO 36V 1µF 100µF 1.5V CTRL1 1V/DIV RT HG M1 0.75V 82.5k SYNC 150nF L1 R1 VOUT CBOOT 20A 1.1µH 2.5mΩ 6V, 20A MAXIMUM I V LED REF SW 5A/DIV 2.2µF RHOT LT3741 680µF D1 45.3k VCC_INT 10A 22µF CONTROL CTRL1 LG M2 INPUT GND 10Ω 10Ω 1ms/DIV 3741 TA03b CTRL2 SENSE+ RNTC 33nF 470k SENSE– 47.5k SS FB 10nF VC L1: MVR1261C-112ML 12.1k M1: VISHAY SiR462DP 82.5k M2: VISHAY SiR462DP 3741 TA03 4.7nF R1: VISHAY WSL25122L500FEA
10A Single-Cell Lithium-Ion Battery Charger
EN/UVLO V V IN IN 24V 1µF 33µF µCONTROLLER CTRL1 HG M1 220nF RT L1 1% V CBOOT OUT 82.5k SYNC 2.2µH 5mΩ 4.2V, 10A MAXIMUM SW LT3741-1 + V 3.6V REF VCC_INT 2.2µF 22µF LG M2 RHOT GND 10Ω 10Ω 45.3k CTRL2 SENSE+ R 22nF NTC 470k SENSE– 30.1k SS VC FB 1nF L1: IHLP4040DZER2R2M01 12.7k 82.5k M1: RJK0365DPA 3741 TA04 M2: RJKO346DPA 8.2nF 37411fg 20 For more information www.linear.com/LT3741 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Typical Application Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL APPLICATIONS 20A LED Driver LED Current Waveforms 10A to 20A Current Step
EN/UVLO EN/UVLO V V IN IN 12V TO 36V 1µF 100µF 1.5V CTRL1 1V/DIV RT HG M1 0.75V 82.5k SYNC 150nF L1 R1 VOUT CBOOT 20A 1.1µH 2.5mΩ 6V, 20A MAXIMUM I V LED REF SW 5A/DIV 2.2µF RHOT LT3741 680µF D1 45.3k VCC_INT 10A 22µF CONTROL CTRL1 LG M2 INPUT GND 10Ω 10Ω 1ms/DIV 3741 TA03b CTRL2 SENSE+ RNTC 33nF 470k SENSE– 47.5k SS FB 10nF VC L1: MVR1261C-112ML 12.1k M1: VISHAY SiR462DP 82.5k M2: VISHAY SiR462DP 3741 TA03 4.7nF R1: VISHAY WSL25122L500FEA
10A Single-Cell Lithium-Ion Battery Charger
EN/UVLO V V IN IN 24V 1µF 33µF µCONTROLLER CTRL1 HG M1 220nF RT L1 1% V CBOOT OUT 82.5k SYNC 2.2µH 5mΩ 4.2V, 10A MAXIMUM SW LT3741-1 + V 3.6V REF VCC_INT 2.2µF 22µF LG M2 RHOT GND 10Ω 10Ω 45.3k CTRL2 SENSE+ R 22nF NTC 470k SENSE– 30.1k SS VC FB 1nF L1: IHLP4040DZER2R2M01 12.7k 82.5k M1: RJK0365DPA 3741 TA04 M2: RJKO346DPA 8.2nF 37411fg 20 For more information www.linear.com/LT3741 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Typical Application Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
