Product Summary

The LM50BIM3X is a Step Down Switching Regulator. It features all of the functions needed to implement low cost, efficient, Buck bias regulators. This high voltage regulator contains an 80 V, 0.7A N-Channel Buck Switch. The applications of the LM50BIM3X are (1)Non-Isolated Buck Regulator; (2)Secondary High Voltage Post Regulator; (3)+42V Automotive Systems.

Parametrics

LM50BIM3X absolute maximum ratings: (1)VIN to GND: 80V; (2)BST to GND: 94V; (3)SW to GND (Steady State): -1V; (4)ESD Rating: 200V; (5)BST to VCC: 80V; (6)BST to SW: 14V; (7)VCC to GND: 14V; (8)All Other Inputs to GND: -0.3 to 7V; (9)Lead Temperature (Soldering 4 sec): 260℃; (10)Storage Temperature Range: -55 to +150℃.

Features

LM50BIM3X features: (1)Integrated 80V, 0.7A N-Channel Buck Switch; (2)Internal HV Vcc Regulator; (3)No Control Loop Compensation Required; (4)Ultra-Fast Transient Response; (5)On Time Varies Inversely with Line Voltage; (6)Operating Frequency Nearly Constant with Varying Line Voltage; (7)Adjustable Output Voltage; (8)Highly Efficient Operation; (9)Precision Reference; (10)Low Bias Current; (11)Intelligent Current Limit Protection; (12)Thermal Shutdown; (13)External Shutdown Control.

Diagrams

LM50BIM3X block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
LM50BIM3X
LM50BIM3X

National Semiconductor (TI)

Board Mount Temperature Sensors

Data Sheet

0-3000: $0.41
3000-6000: $0.39
6000-12000: $0.38
LM50BIM3X/NOPB
LM50BIM3X/NOPB

National Semiconductor (TI)

Board Mount Temperature Sensors

Data Sheet

0-1: $0.93
1-25: $0.75
25-100: $0.68
100-250: $0.60