Texas Instruments LMR66430 | Demoboard LMR66430-2EVM

Description

The LMR664x0 is a small 36-V, 3-A (available in 2 A and 1-A variants) synchronous step-down DC/DC converter in an enhanced HotRod QFN package. This easy-to-use converter supports a wide input voltage range of 2.7 V to 36 V (after start-up or after operating) with transients up to 42 V.

Features

• Functional Safety-Capable
• Documentation available to aid functional safety system design
• Designed for industrial applications:
• Junction temperature range –40°C to +150°C
• NC pin between critical pins for better reliability
• Best in-class pin FMEA
• Input transient protection up to 42 V
• Wide input voltage range after start-up: 2.7 V (falling threshold) to 36 V
• Adjustable output up to 95% of VIN, 3.3-V, and 5-V fixed VOUT options available
• Optimized for low EMI requirements:
• Dual random spread spectrum reduces peak emissions
• Enhanced HotRod™ QFN package minimizes switch node ringing
• Greater than 85% efficiency at 1 mA
• Miniature design size and low component cost:
• 2.6-mm × 2.6-mm enhanced HotRod QFN package with wettable flanks
• Internal control loop compensation

Typical applications

• Medical
• Aerospace and defense
• Factory automation: PLC, DCS, and PAC, Test and measurement

More information

• Datasheet
• IC product information