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MAX15046 Datasheet 40v High-performance Synchronous Buck Controller

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: 19-4719; Rev 0; 7/09 .. 40V, High-Performance, Synchronous Buck.

General Description

The MAX15046 synchronous step-down controller operates from a 4.5V to 40V input voltage range and generates an adjustable output voltage from 85% of the input voltage down to 0.6V, supporting loads up to 25A.

The device allows monotonic startup into a prebiased bus without discharging the output and

Key Features

  • adaptive internal digital soft-start. The MAX15046 offers the ability to adjust the switching frequency from 100kHz to 1MHz with an external resistor. The MAX15046’s adaptive synchronous rectification eliminates the need for an external freewheeling Schottky diode. The device also utilizes the external low-side MOSFET’s on-resistance as a current-sense element, eliminating the need for a current-sense resistor. This protects the DC-DC components from damage during output overloaded conditions or.

More Datasheets from Maxim Integrated (now Analog Devices)

Part Number Description
MAX15040 Step-Down Regulator
MAX15041 Step-Down DC-DC Regulator
MAX15048 Triple-Output Buck Controllers
MAX15049 Triple-Output Buck Controllers
MAX15000 Current-Mode PWM Controllers
MAX15001 Current-Mode PWM Controllers
MAX15003 Triple-Output Buck Controller
MAX15004 4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers
MAX15005 4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers
MAX15006 ultra-low quiescent-current linear regulators

MAX15046 Distributor