Product Summary

The LM3444MM/NOPB is a Flyback LED driver that can be used to power a single LED string consisting of 4 to 8 series connected LEDs from an 90 VRMS to 135 VRMS, 60 Hz input power supply. The key performance characteristics under typical operating conditions are summarized in this application note. The applications of the LM3444MM/NOPB are (1)Solid State Lighting; (2)ndustrial and Commercial Lighting; (3)Residential Lighting.

Parametrics

LM3444MM/NOPB absolute maximum ratings: (1)DC resistance: 1.35ohms max; (2)inductance: 803uH ±10%; (3)lekaage inductance: 5.5uH typ 7.0uH max; (4)dielectric: 4500VAC 1minute.

Features

LM3444MM/NOPB features: (1)Line injection circuitry enables PFC values greater than 0.99; (2)Adjustable LED current and switching frequency; (3)Flicker free operation.

Diagrams

LM3444MM/NOPB block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
LM3444MM/NOPB
LM3444MM/NOPB
National Semiconductor (TI)
LED Lighting Drivers
Data Sheet
0-1: $1.03
1-25: $0.82
25-100: $0.72
100-250: $0.63
Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
LM34
LM34
Other

Data Sheet
Negotiable 
LM340
LM340
Other

Data Sheet
Negotiable 
LM3401EVAL
LM3401EVAL

BOARD EVALUATION FOR LM3401
Data Sheet
0-1: $30.62
LM3401EVAL/NOPB
LM3401EVAL/NOPB
National Semiconductor (TI)
LED Lighting Development Tools LM3401 EVAL BOARD
Data Sheet
0-1: $23.93
LM3401MM/NOPB
LM3401MM/NOPB
National Semiconductor (TI)
LED Lighting Drivers HYSTERETIC PFET CONTROLLER
Data Sheet
0-1: $0.94
1-10: $0.85
10-25: $0.76
25-100: $0.51
LM3401MMX/NOPB
LM3401MMX/NOPB
National Semiconductor (TI)
LED Lighting Drivers
Data Sheet
0-1: $0.94
1-10: $0.85
10-25: $0.76
25-100: $0.51