Texas Instruments LM706A0-Q1 | Demoboard LM706A0QEVM

Description

The LM706A0QEVM high-density EVM is designed to use a regulated or non-regulated high-voltage input rail ranging from 8V to 65V to produce a tightly regulated output voltage of 3.3V at load currents up to 10A. This wide VIN range DC/DC device offers outsized voltage rating and operating margin to withstand supply rail voltage transients.The free-running switching frequency is 400kHz and is synchronizable to an external clock signal at a higher or lower frequency. The power-train passive components selected for this EVM, including buck inductors and ceramic input and output capacitors, are automotive AEC-Q200 rated and are available from multiple component vendors.

Features

• Wide input voltage operating range of 8V to 65V
• 1% accurate fixed 3.3V, 5V, or adjustable output down to 0.8V
• Switching frequency of 400kHz externally synchronizable up or down by 20%
• Full-load efficiency of 89.3% at 12VIN, 88.1% at 24VIN and 85.4% at 48VIN
• 260µA operating current at 48VIN
• Designed for low Electromagnetic Interference (EMI)
• Dual-random spread spectrum EMI mitigation
• Meets CISPR 25 Class 5 and UNECE Reg 10 EMI standards
• Peak current-mode control architecture provides fast line and load transient response
• Integrated slope compensation adaptive with switching frequency
• Forced pulsed width modulation (FPWM) or pulsed frequency modulation (PFM) operation
• Optional internal or external loop compensation
• Integrated high-side and low-side power MOSFETs
• Overcurrent protection (OCP) with hiccup mode for sustained overload conditions
• SYNCOUT signal 180° out-of-phase with internal clock
• Power-Good signal with 100kΩ pullup resistor to VCC
• Internal 3ms soft start
• Fully assembled, tested, and proven PCB layout

Typical applications

• High-current automotive electronic systems, ADAS and body electronics. Infotainment systems and instrument clusters, Automotive HEV/EV powertrain systems

More information

• Datasheet
• IC product information