LM2936BMX-3.3 - Texas Instruments

Manufacturer Part Number

LM2936BMX-3.3

Manufacturer

Texas Instruments

Introduction

The LM2936BMX-3.3 belongs to the category of Power Management ICs, specifically Low Drop Out (LDO) Linear Regulators. It's designed for applications requiring a regulated 3.3V output from a higher voltage source up to 40V, ensuring low dropout voltage and low quiescent current.

Product Features and Performance

Ultra-low quiescent current of 15 µA

Maximum output current of 50mA

Input voltage up to 40V

Fixed output voltage 3.3V

Maximum Dropout Voltage of 0.4V at 50mA load

Power Supply Rejection Ratio (PSRR) of 60dB at 120Hz

Features shutdown control

Protection against over-temperature, reverse polarity, and short circuits

Product Advantages

Ideal for battery-powered equipment due to low quiescent current

High input voltage capability makes it suitable for automotive and industrial applications

Built-in protection features increase system reliability

Low dropout voltage improves efficiency

Key Technical Parameters

Voltage - Input (Max): 40V

Voltage - Output (Min/Fixed): 3.3V

Current - Output: 50mA

Current - Quiescent (Iq): 15µA

Current - Supply (Max): 2.5mA

Dropout Voltage: 0.4V @ 50mA

PSRR: 60dB (120Hz)

Quality and Safety Features

Over-Temperature Protection

Reverse Polarity Protection

Short Circuit Protection

Compatibility

Compatible with various digital and analog circuits requiring a stable 3.3V supply

Mounting Type: Surface Mount

Package / Case: 8-SOIC

Application Areas

Automotive electronics

Battery-powered devices

Industrial control systems

Portable electronics

Product Lifecycle

Obsolete - Product is nearing discontinuation. Customers should inquire about replacements or upgrades.

Several Key Reasons to Choose This Product

High reliability due to built-in protection features

Ultra-low quiescent current extends battery life in portable devices

Suitable for high-voltage input applications up to 40V

Low dropout voltage enhances efficiency

Shutdown feature provides additional power-saving mode