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Details for Texas Instruments


LM5140RWGEVM Dual Synchronous Buck Converter EVM
Buy Directly from Texas Instruments (14 in Stock)
$99.0000 per unit
Series Information for LM5140RWGEVM - Texas Instruments


The LM5140-Q1 is a dual synchronous buck controller intended for high voltage wide VIN stepdown converter applications. The control method is based on current mode control. Current mode control provides inherent line feed-forward, cycle-by-cycle current limiting, and easier loop compensation. The LM5140-Q1 features adjustable slew rate control to simplify compliance with the CISPR and automotive EMI requirements. The LM5140-Q1 operates at selectable switching frequencies of 2.2 MHz or 440 kHz with the two controller channels switching 180ยบ out of phase. In light or no-load conditions, the LM5140-Q1 operates in skip cycle mode for improved low power efficiency. The LM5140-Q1 includes a high voltage bias regulator with automatic switch-over to an external bias supply to improve efficiency and reduce input current. Additional features include frequency synchronization, cycle-by-cycle current limit, hiccup mode fault protection for sustained overloads, independent power good outputs, and independent enable inputs.


Silicon Manufacturer:
Texas Instruments
Silicon Core Number:
Kit Application Type:
Power Management
Application Sub Type:
Synchronous Buck Controller
Kit Contents:
Eval Board LM5140-Q1
Product Range:
Automotive Qualification Standard:
No SVHC (27-Jun-2018)
2.2MHz Dual Output Synchronous Buck Controller Shutdown Current 9UA Supply Voltage 3.8V to 42V

Alternate Descriptions

Avnet America

LM5140-Q1 Synchronous Buck Controller Evaluation Module

Avnet America product

Texas Instruments

LM5140RWGEVM Dual Synchronous Buck Converter EVM

Texas Instruments product