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LM73606QRNPRQ1The LM73605 and LM73606 family of devices are easy-to-use synchronous step-down DC/DC converters capable of driving up to 5 A or 6 A of load current from a supply voltage ranging from 3.5 V to 36 V.
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Description
The LM73605 and LM73606 family of devices are easy-to-use synchronous step-down DC/DC converters capable of driving up to 5 A or 6 A of load current from a supply voltage ranging from 3.5 V to 36 V. The LM73605 and LM73606 provide exceptional efficiency and output accuracy in a very small solution size. Peak current-mode control is employed. Additional features such as adjustable switching frequency, synchronization to an external clock, power-good flag, precision enable, adjustable soft start, and tracking provide both flexible and easyto-use solutions for a wide range of applications. Automatic frequency foldback at light load improves efficiency over the entire load range. Protection features include thermal shutdown, cycle-by-cycle current limiting, and short-circuit protection. The devices are pin-to-pin compatible for easy current scaling. The new product, LM61460-Q1, offers higher efficiency, lower stand-by quiescent current, and improved EMI performance. See the device comparison table to compare specifications. Start a Webench design with LM61460-Q1. Use the LMZM33606 module for faster time to market. Parameters
1 Features 1• New product available: LM61460 60-V, 6-A synchronous converter • Synchronous rectification • Wettable flanks QFN package (WQFN) • Low quiescent current – 0.8 μA in shutdown (typical) – 15 μA in active mode with no load (typical) • Wide voltage conversion range: – tON-MIN = 60 ns (typical) – tOFF-MIN = 70 ns (typical) • Low MOSFET ON-resistance: – RDS_ON_HS = 53 mΩ (typical) – RDS_ON_LS = 31 mΩ (typical) • External bias input to improve efficiency • Pin-selectable auto mode or forced PWM operation • Adjustable frequency range: 350 kHz to 2.2 MHz • Synchronizable to external clock • Internal compensation • Power-good flag • Precision enable to program system UVLO • Flexible soft-start features: – Start-up into pre-biased load – Fixed or adjustable soft-start time – Output voltage tracking • Cycle-by-cycle current limiting • Short-circuit protection with hiccup mode • Create a custom design with the WEBENCH® power designer using LM73605 or LM73606 All the evaluation(0)
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