Product Summary

The LM3485MM is a high efficiency PFET switching regulator controller that can be used to quickly and easily develop a small, low, cost, switching buck regulator for a wide range of applications.

Parametrics

LM3485MM absolute maximum ratings: (1)VIN Voltage: 0.3V to 36V; (2)PGATE Voltage: 0.3V to 36V; (3)FB Voltage : 0.3V to 5V; (4)ISENSE Voltage : 1.0V to 36V; (5)ADJ Voltage : 0.3V to 36V; (6)Maximum Junction Temp: 150°C.

Features

LM3485MM features: (1)4.5V to 35V wide input range; (2)1.242V to VIN adjustable output range; (3)High Efficiency 93%; (4)±1.3% (±2% over temp) internal reference; (5)100% duty cycle; (6)Maximum operating frequency > 1MHz; (7)Current limit protection.

Diagrams

LM3485MM block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
LM3485MM
LM3485MM
National Semiconductor (TI)
DC/DC Switching Controllers
Data Sheet
0-1000: $0.35
1000-2000: $0.34
LM3485MM/NOPB
LM3485MM/NOPB
National Semiconductor (TI)
DC/DC Switching Controllers HYSTERETIC PFET BUCK CONTROLLER
Data Sheet
0-1: $0.70
1-10: $0.63
10-25: $0.56
25-100: $0.38
LM3485MMX/NOPB
LM3485MMX/NOPB
National Semiconductor (TI)
DC/DC Switching Controllers
Data Sheet
0-1: $0.70
1-10: $0.63
10-25: $0.56
25-100: $0.38
LM3485MMX
LM3485MMX
National Semiconductor (TI)
DC/DC Switching Controllers
Data Sheet
0-3500: $0.34