LM3429MH

The LM3429MH is a versatile high voltage N-channel MosFET controller for LED drivers . It can be easily configured in buck, boost, buck-boost and SEPIC topologies. The device includes a high-voltage startup regulator that operates over a wide input range of 4.5V to 75V.

The features of LM3429MH can be summarized as:(1)VIN range from 4.5V to 75V; (2)Adjustable current sense voltage; (3)High-side current sensing; (4)2?, 1A Peak MosFET gate driver; (5)Input under-voltage protection; (6)Over-voltage protection; (7)PWM dimming; (8)Analog dimming; (9)Cycle-by-cycle current limit; (10)Programmable switching frequency; (11)Thermal Shutdown.

The absolute maximum ratings of LM3429MH are:(1)VIN, nDIM:-0.3V to 76.0V,-1 mA continuous; (2)OVP, HSP, HSN:-0.3V to 76.0V,-100 A continuous; (3)RCT: -0.3V to 3.0V,-1 mA to +5 mA continuous; (4)IS:-0.3V to 76.0V,-2V for 100 ns,-1 mA continuous; (5)VCC:-0.3V to 8.0V; (6)COMP, CSH:-0.3V to 6.0V,-200 A to +200 A Continuous; (7)GATE:-0.3V to VCC,-2.5V for 100 ns,VCC+2.5V for 100 ns,-1 mA to +1 mA continuous; (8)PGND:-0.3V to 0.3V, -2.5V to 2.5V for 100 ns; (9)Maximum Junction Temperature:Internally Limited; (10)Storage Temperature Range:-65°C to +150°C; (11)Maximum Lead Temperature (Reflow and Solder):260°C; (12)Continuous Power Dissipation:Internally Limited; (13)ESD Susceptibility:Human Body Model 2kV.

If you want to know more information such as the electrical characteristics about the LM3429MH, please download the datasheet in www.seekic.com or www.chinaicmart.com .