LM61440AANRJRR

$2.92

Description：IC REG BUCK ADJ 4A 14VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:54ce85d4c99d Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM61440AANRJRR is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BUCK ADJ 4A 14VQFN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM61440AANRJRR

Description：IC REG BUCK ADJ 4A 14VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：3V
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：1V
Voltage - Output (Max)：34.2V
Current - Output：4A
Frequency - Switching：200kHz ~ 2.2MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 150°C (TJ)
Mounting Type：Surface Mount, Wettable Flank
Package / Case：14-PowerVFQFN
Supplier Device Package：14-VQFN-HR (4x3.5)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM61440AANRJRR

LM61440AANRJRR

Voltage Regulators - DC DC Switching Regulators Overview

The LM61440AANRJRR is a synchronous buck switching controller from Texas Instruments. It supports an input voltage range of 3 V to 36 V and delivers up to 4 A output current. The device features adjustable switching frequencies between 200 kHz and 2.2 MHz, with a maximum duty cycle of 98%. Output voltage is adjustable from 1 V to 34 V. It operates within a temperature range of -40°C to +150°C and utilizes a VQFN package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated low-noise synchronous buck controller architecture
Wide input voltage capability for flexible power supply designs
Adjustable switching frequency for optimization of external component size
High efficiency operation across varying load conditions

Voltage Regulators - DC DC Switching Regulators Applications

Industrial control systems
Automotive electronics
Portable electronic devices
Point-of-load regulation modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix RJRR indicates reel packaging configuration. Confirm RoHS compliance status through official documentation. Ensure ESD handling protocols are followed due to moisture sensitivity classification. Cross-reference the datasheet revision date to ensure compatibility with design requirements.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range and high output current are required in a compact form factor. Consider the thermal performance of the VQFN package for the intended application environment. Evaluate the need for low noise characteristics if used in sensitive analog circuits.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM61440 series of synchronous step-down converters. It shares functional similarities with automotive-grade variants like the LMQ61440 but lacks specific automotive qualification markings in its base designation. The family focuses on high-efficiency power management solutions.