LM317D2TR4G - onsemi

Manufacturer Part Number

LM317D2TR4G

Manufacturer

onsemi

Introduction

LM317D2TR4G is a part of the power management integrated circuit (PMIC) family, specifically within the category of Linear, Low Drop Out (LDO) Regulators. It offers adjustable output with positive configuration suitable for a variety of power management requirements.

Product Features and Performance

The device features an adjustable output range from 1.2V to 37V, supporting applications with varying voltage needs. With an input voltage capability up to 40V, it can accommodate higher supply voltages. The current output is rated at 1.5A, suitable for moderate power requirements. It offers a quiescent current of 10 mA, optimizing power usage when in a low power state. The Power Supply Rejection Ratio (PSRR) ranges from 80dB to 65dB at 120Hz, indicating good noise rejection capabilities.

Product Advantages

LM317D2TR4G includes protection features such as Over Current, Over Temperature, and Short Circuit, enhancing the device's safety and reliability. It comes in a surface mount D2PAK-3 package, enabling compact PCB design and efficient heat dissipation.

Key Technical Parameters

Voltage Input (Max): 40V

Voltage Output (Min/Fixed): 1.2V

Voltage Output (Max): 37V

Current Output: 1.5A

Current Quiescent (Iq): 10 mA

PSRR: 80dB ~ 65dB (120Hz)

Operating Temperature: 0°C ~ 125°C

Quality and Safety Features

The device incorporates Over Current, Over Temperature, and Short Circuit protection, ensuring operational reliability and safety across various conditions.

Compatibility

Packaged in a TO-263-3, D2PAK (2 Leads + Tab), TO-263AB format, the LM317D2TR4G is compatible with surface mount technology, supporting diverse PCB designs and manufacturing processes.

Application Areas

This voltage regulator is versatile, suitable for power supplies, instrumentation, and other electronics requiring stable, adjustable voltage regulation.

Product Lifecycle

The LM317D2TR4G remains in an active production status. No immediate discontinuation notices have been issued, ensuring availability for both new designs and ongoing applications. Replacement or upgrade options remain open as technological advancements evolve.

Several Key Reasons to Choose This Product

Flexible voltage adjustment capability from 1.2V to 37V caters to a wide range of application needs.

High input voltage rating (40V) allows usage in systems with higher supply levels.

Integrated protection features enhance the system's safety and reliability.

The efficient PSRR ensures stable output despite supply noise, critical for sensitive applications.

Surface mount packaging (D2PAK-3) supports efficient PCB layout and thermal management strategies.

Given its active production status, long-term availability is secured, ensuring sustainability of supply.