LM5157-Q1
Features
- AEC-Q100 qualified for automotive applications
- Temperature grade 1:
- 40°C to +125°C TA
- Functional Safety-Capable
- Documentation available to aid functional safety system design
- Suited for wide operating range for car battery applications
- 2.9-V to 45-V input operating range
- 48-V maximum output (50-V abs max)
- Minimum boost supply voltage of 1.5 V when
BIAS ≥ 2.9 V
- Input transient protection up to 50 V
- Minimized battery drain
- Low shutdown current (IQ ≤ 2.6 µA)
- Low operating current (IQ ≤ 700 µA)
- Small solution size and low cost
- Maximum switching frequency up to 2.2 MHz
- 16-pin QFN package (3 mm × 3 mm) with wettable flanks
- Integrated error amplifier allows primary-side regulation without optocoupler (flyback)
- Minimized undershoot during cranking (start- stop application)
- Accurate current limit (see the Device parison Table)
- EMI mitigation
- Selectable dual random spread spectrum
- Lead-less package
- Higher efficiency with low-power...
