LMR604103SRAKR

$1.36

Description：36V 1A SYNCHRONOUS BUCK CONVERTE
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:41739046461e Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LMR604103SRAKR is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is 36V 1A SYNCHRONOUS BUCK CONVERTE. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LMR604103SRAKR

Description：36V 1A SYNCHRONOUS BUCK CONVERTE
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable (Fixed)
Number of Outputs：1
Voltage - Input (Min)：3V
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：1V (3.3V)
Voltage - Output (Max)：20V
Current - Output：1A
Frequency - Switching：200kHz ~ 2MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 150°C (TJ)
Mounting Type：Surface Mount
Package / Case：9-PowerWQFN
Supplier Device Package：9-WQFN-HR (2.5x2)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LMR604103SRAKR

LMR604103SRAKR

Voltage Regulators - DC DC Switching Regulators Overview

The LMR604103SRAKR is a synchronous buck converter from the LMR60410-Q1 series, designed for automotive applications. It features a wide input voltage range of 3V to 36V with an absolute maximum rating of 42V. The device delivers a fixed 3.3V output at up to 1A load current. Key electrical parameters include a programmable switching frequency between 200kHz and 2.2MHz, a typical ultra-low tON of 30ns, and a shutdown current of 0.65μA. It operates within a temperature range of -40°C to +150°C and utilizes a WQFN-9 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Optimized for high power density and low electromagnetic interference (EMI) using a compact HotRod QFN-9 package with wettable flanks.
Supports flexible operation modes including Fixed Frequency PWM (FPWM), PFM, and external clock synchronization via the MODE/SYNC pin.
Integrates a Power Good (PG) pin for power sequencing control and output voltage status notification without external monitoring components.

Voltage Regulators - DC DC Switching Regulators Applications

Industrial transportation systems
Factory automation and control equipment
Motor driver circuits

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number against official Texas Instruments documentation to ensure correct suffix alignment. Confirm that the specific variant matches the required automotive qualification standards and thermal performance specifications for the intended operating environment before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing automotive power stages requiring a 3.3V rail from a 36V bus. The wide input range and high junction temperature capability make it suitable for harsh environments. Ensure inductor selection supports the chosen switching frequency to maintain efficiency and meet EMI constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LMR60410-Q1 family of SIMPLE SWITCHER converters. These regulators are engineered to minimize external component count while maximizing efficiency. The family offers various output voltage options and current ratings, all sharing the same compact footprint and advanced control features for streamlined design integration.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult the official LMR60410 datasheet for qualified alternative part numbers within the same product line. Verify pin compatibility and thermal characteristics when substituting with other members of the LMR604xx-Q1 series.

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.