LMR34206-Q1 4.2-V to 42-V, 0.6-A Ultra-Small Synchronous Step-Down Converter

1 Features

AEC-Q100-qualified for automotive applications:
- Temperature grade 1: –40°C to +125°C, T_A
Designed for automotive applications
- Junction temperature range –40°C to +150°C
- Protection features: thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, hiccup short-circuit protection
- 0.2-V dropout with 0.6-A load (typical)
- ±1.5% reference voltage tolerance
- 3.3-V, 5-V fixed-output voltage options
Suited for scalable power supplies
- Pin compatible with:
  - LMR36015/06-Q1 (60 V, 0.6 A or 1.5 A)
  - LMR33620/30-Q1 (36 V, 2 A, or 3 A)
- 2.1-MHz frequency option
Integration reduces solution size and cost
- Small, 2-mm × 3-mm VQFN package with wettable flanks
- Few external components
Low power dissipation across load spectrum
- Increased light load efficiency in PFM
- Low operating quiescent current of 24 µA
Optimized for ultra low EMI requirements
- Meets CISPR25 class 5 standard
- Hotrod™ package minimizes switch node ringing
- Parallel input path minimizes parasitic inductance
- Spread spectrum reduces peak emissions