Product Summary

The LM3478MM+ is an N-Channel Controller for Switching Regulator. The LM3478MM+ is suitable for use in topologies requiring a low side MOSFET, such as boost, flyback, SEPIC, etc.

Parametrics

LM3478MM+ absolute maximum ratings: (1)Input Voltage:45V; (2)FB Pin Voltage:-0.4V < VFB < 7V; (3)FA/SD Pin Voltage:-0.4V < VFA/SD < 7V; (4)Peak Driver Output Current (<10μs):1.0A; (5)Power Dissipation:Internally Limited; (6)Storage Temperature Range:-65℃ to +150℃; (7)Junction Temperature:+150℃.

Features

LM3478MM+ features: (1)8-lead Mini-SO8 (MSOP-8) package; (2)Internal push-pull driver with 1A peak current capability; (3)Current limit and thermal shutdown; (4)Frequency compensation optimized with a capacitor and a resistor; (5)Internal softstart; (6)Current Mode Operation; (7)Undervoltage Lockout with hysteresis.

Diagrams

LM3478MM+ block diagram

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