Product Summary

The LM3405AXMK is a high-performance 1.6MHz, 1A Constant Current Buck LED Driver with Internal Compensation.



Parametrics

LM3405AXMK Parametrics:

Packaging Tape & Reel (TR)
Constant Current Yes
Constant Voltage -
Topology PWM, Step-Down (Buck)
Number of Outputs 1
Internal Driver Yes
Type - Primary Flash/Torch, General Purpose
Type - Secondary High Brightness LED (HBLED), White LED
Frequency 1.2MHz ~ 1.9MHz
Voltage - Supply 3 V ~ 22 V
Voltage - Output -
Mounting Type Surface Mount
Package / Case SOT-23-6 Thin, TSOT-23-6
Supplier Device Package TSOT-23-6
Operating Temperature -40°C ~ 125°C
Dynamic Catalog Buck (Step-Down)
For Use With
LM3405AEVAL-ND - BOARD EVAL FOR LM3405
Other Names LM3405AXMK/NOPBTR
LM3405AXMKNOPB
LM3405AXMKTR
LM3405AXMKTR-ND

Features

LM3405AXMK Features:

? VIN Operating Range of 3V to 22V
? Drives up to 5 High-Brightness LEDs in Series at 1A
? 1.6MHz Switching Frequency
? EN/DIM Input for Enabling and PWM Dimming of LEDs
? 300mΩ NMOS Switch
? 40nA Shutdown Current at VIN = 5V
? Internally Compensated Current-mode Control
? Cycle-by-cycle Current Limit
? Input Voltage UVLO
? Over-current Protection
? Thermal Shutdown

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
LM3405AXMK/NOPB
LM3405AXMK/NOPB
National Semiconductor (TI)
LED Lighting Drivers
Data Sheet
0-1: $1.28
1-10: $1.15
10-25: $1.03
25-100: $0.69
LM3405AXMKE/NOPB
LM3405AXMKE/NOPB
National Semiconductor (TI)
LED Lighting Drivers
Data Sheet
0-1: $1.28
1-10: $1.15
10-25: $1.03
25-100: $0.69
100-250: $0.68
LM3405AXMKX/NOPB
LM3405AXMKX/NOPB
National Semiconductor (TI)
LED Lighting Drivers
Data Sheet
0-2420: $0.64
2420-3000: $0.63