The NCV6357 is a synchronous AOT (Adaptive On−time) buck

converter optimized to supply the different sub systems of automotive

applications post regulation system up to 5 V input. The device is able

to deliver up to 5.0 A, with programmable output voltage from 0.6 V

to 3.3 V. Operation at up to 2.4 MHz switching frequency allows the

use of small components. Synchronous rectification and automatic

PFM Pseudo−PWM (PPWM) transitions improve overall solution

efficiency. The NCV6357 is in low profile 3.0 × 4.0 mm DFN−14 package.

Features

• Input Voltage Range from 2.5 V to 5.5 V: Battery, 3.3 V and 5.0 V

Rail Powered Applications

• Power Capability: 3.0 A TA = 105°C − 5.0 A TA = 85°C

• Programmable Output Voltage: 0.6 V to 3.3 V in 12.5 mV Steps

• Up to 2.4 MHz Switching Frequency with On Chip Oscillator

• Uses 330 nH Inductor and at Least 22 F Capacitors for Optimized

Footprint and Solution Thickness

• PFM/PPWM Operation for Optimum Efficiency

• Low 60 A Quiescent Current

• I2C Control Interface with Interrupt and Dynamic Voltage Scaling

Support

• Enable / VSEL Pins, Power Good / Interrupt Signaling

• Thermal Protections and Temperature Management

• Transient Load Helper: Share the Same Rail with another Rail

• 3.0 × 4.0 mm / 0.5 mm Pitch DFN 14 Package

• AEC−Q100 Qualified and PPAP Capable

Typical Applications

• Snap Dragon

• Automotive POL

• Instrumentation, Clusters

• Infotainment

• ADAS System (Vision, Radar)

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