1 Features
• Functional Safety-Capable
– Documentation available to aid functional safety system design
• Configured for rugged industrial applications
– Wide Input voltage range: 4 V to 36 V
– 4-A or 5-A continuous output current
– ±1.0% tolerance voltage reference at room temperature
– Minimum switching-on time: 75 ns (typical)
– Low Quiescent current: 25 μA
– Adjustable Frequency: 200 kHz to 1.1 MHz
– Frequency spread spectrum (PFM variant)
– Protection features
• Precision enable input
• Open-drain PGOOD
• VIN undervoltage lockout (UVLO)
• Cycle-by-cycle current limiting
• Short-circuit protection with hiccup mode
• Thermal shutdown
– Low dropout mode operation
– Junction temperature range: –40°C to 150°C
• Small solution size and ease of use
– Integrated synchronous rectification
– Internal compensation for ease of use
– WSON-12 package
• Various options in pin-to-pin compatible package
– PFM and forced PWM (FPWM) options
• Create a custom design using the LMR5144x0 with the WEBENCH® Power Designer