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TLV70933DBZR

TITLV70933DBZR

Texas Instruments
Linear Voltage Regulator IC Positive Fixed 1 Output 150mA SOT-23-3
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Overview

The TLV70933DBZR is a low-quiescent-current linear voltage regulator from Texas Instruments designed to provide a fixed 3.3V output. It supports a wide input voltage range up to 30V and delivers up to 150mA of output current, making it suitable for applications that bridge high-voltage rails to low-voltage logic.

Why Choose This Part

This regulator features a high maximum input voltage of 30V and an ultra-low quiescent current of 3.2uA, which is ideal for always-on standby systems. It also includes internal soft-start and overcurrent protection to enhance system reliability in a compact SOT-23-3 package.

Applications

Microcontroller Power Supply
Providing a stable 3.3V rail for MCUs in industrial and building automation systems.
Grid Infrastructure
Regulating power in smart meters and grid monitoring equipment that requires high input voltage tolerance.
Battery-Powered Devices
Extending battery life in portable electronics due to its low 3.2uA typical quiescent current.

Key Specifications

Output Type Fixed
Mounting Type Surface Mount
Package / Case TO-236-3, SC-59, SOT-23-3
Current - Output 150mA
Protection Features Over Current
Number of Regulators 1
Output Configuration Positive
Operating Temperature -40degC ~ 125degC (TJ)
Voltage - Input (Max) 30V
Voltage Dropout (Max) 1.6V @ 150mA
Supplier Device Package SOT-23-3
Current - Quiescent (Iq) 10 uA
Voltage - Output (Min/Fixed) 3.3V

Getting Started

To implement this device, place a 1uF ceramic capacitor at the input and output pins as close to the IC as possible to ensure stability. Refer to the TI thermal guidelines for the SOT-23-3 package to manage heat dissipation when operating near the 1.6V maximum dropout or high input-to-output voltage differentials.

Also Consider

MCP1703T-3302E/CB MCHPMicrochip - A common alternative with a lower max input of 16V but offering a lower dropout voltage for battery-critical 3.3V paths.