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NCV885301 Series

Automotive Grade Non-Synchronous Buck Controller

Manufacturer: ON Semiconductor

Catalog

Automotive Grade Non-Synchronous Buck Controller

Key Features

Peak Current Mode Control with Internal Slope Compensation
0.8 V 2% Reference Voltage
Wide Input Voltage Range of 3.1 V to 36 Vdc, 44 V Load Dump
Input Undervoltage Lockout (UVLO)
Internal Soft-Start
Low Quiescent Current in Sleep Mode
Power Good (PG)
External Clock Synchronization up to 600 kHz
Cycle-by-cycle Current Limit Protection (CL)
Hiccup-mode Short-Circuit Protection (SCP)
Thermal Shurdown (TSD)

Description

AI
The NCV8853 is an adjustable-output non-synchronous buck controller which drives an external P-channel MOSFET. The device uses peak current mode control with internal slope compensation. The IC incorporates an internal regulator that supplies charge to the gate driver. Protection features include internal soft-start, undervoltage lockout, cycle-by-cycle current limit, hiccup-mode overcurrent protection, hiccup-mode short-circuit protection. Additional features include programmable switching frequency, low quiescent current sleep mode and externally synchronizable switching frequency.