LMR36503-Q1 - Texas Instruments

LMR36503-Q1 Synchronous Buck Converter

The LMR36503-Q1 is the industry's smallest 65 V, 0.3 A synchronous step-down DC/DC converter in 2-mm x 2-mm HotRod™ package. This easy-to-use converter can handle input voltage transients up to 70 V, provide excellent EMI performance and support fixed 3.3 V, 5 V and other adjustable output voltages. The LMR36503-Q1 uses peak current mode control architectu.

Features

• AEC-Q100-qualified for automotive applications:
  – Device temperature grade 1:
  –40°C to +125°C, TA
• Functional Safety-Capable
  – Documentation available to aid functional safety system design
• >70% efficiency at 5 mA
  – 4 µA IQ (switching) at 24 VIN to 3.3 VOUT (fixed output option)
• Miniature solution size and low component cost
  – 2-mm × 2-mm HotRod™ package with wettable flanks
  – Internal compensation
• Designed for automotive applications:
  – Junction temperature range
  –40°C to +150°C
  – Pseudo-random spread spectrum compatible with CISPR 25 EMI standard
  – Wide input voltage range: 3.0 V (f.