Texas Instruments LMR23615EVM

Description

EVM Features• 4 V to 36 V Input Voltage Range• Jumper Selectable Output Options (5 V or 3.3 V)• Up to 1.5 A Output Current• Switching Frequency 1600 kHz• Adjustable Frequency and Synchronization to External ClockThe LMR23615 SIMPLE SWITCHER® is an easy-to-use 36-V, 1.5-A synchronous step-down regulator. With a wide input range from 4 V to 36 V, the device is suitable for various industrial applications for power conditioning from unregulated sources. Peak current mode control is employed to achieve simple control-loop compensation and cycle-by-cycle current limiting. A quiescent current of 75 µA makes the device suitable for battery-powered systems. An ultra-low 2-µA shutdown current can further prolong battery life. Internal loop compensation means that the user is free from the tedious task of loop-compensation design and also minimizes the external components needed. An extended family is available in 2.5-A (LMR23625) and 3-A (LMR23630) load-current options in pin-to-pin compatible packages, allowing simple, optimum PCB layout. A precision enable input allows simplification of regulator control and system power sequencing. Protection features include cycle-by-cycle current limit, hiccup-mode short-circuit protection, and thermal shutdown due to excessive power dissipation.

Features

4-V to 36-V Input Range1.5-A Continuous Output CurrentIntegrated Synchronous RectificationCurrent-Mode Control with internal compensationMinimum Switch ON Time: 60 nsAdjustable Switching FrequencyPFM Mode at Light LoadFrequency Synchronization to External Clock75-µA Quiescent CurrentSoft-Start into a Pre-Biased LoadHigh-Duty-Cycle Operation SupportedOutput Short-Circuit Protection With Hiccup ModeThermal Protection12-Pin WSON Wettable Flanks Package With PowerPAD™

Typical applications

• GSM, GPRS Modules for Fleet Management, Smart Grids, and Security
• Multi-Function Printers
• HVAC Systems
• Programmable Logic Controller Power Supply / Industrial Power Supplies

More information

• IC product information