The MAX5037 dual-phase, PWM controller provides high-output-current capability in a compact package with a minimum number of external components. The MAX5037 utilizes a dual-phase, average current-mode control that enables optimal use of low RDS(ON) MOSFETs, eliminating the need for external heatsinks even when delivering high output currents.
Differential sensing enables accurate control of the
output voltage, while adaptive voltage positioning
provides optimum transient response. An internal regulator enables operation with either +5V or +12V input voltage without the need for additional voltage sources. The high switching frequency, up to 500kHz per phase, and dual-phase operation allow the use of low output inductor values and input capacitor values. This accommodates the use of PC board-embedded planar magnetics achieving superior reliability, current sharing, thermal management, compact size, and low system cost.
The MAX5037 also features a clock input (CLKIN) for synchronization to an external clock, and a clock output (CLKOUT) with programmable phase delay (relative to CLKIN) for paralleling multiple phases.
The MAX5037 operates over the extended industrial temperature range (-40°C to +85°C) and is available in 44-pin MQFP or thin QFN packages. Refer to the MAX5038/MAX5041 data sheet for either a fixed output voltage controller or an adjustable output voltage controller in a 28-pin SSOP package.
Key Features
Applications/Uses
+4.75V to +5.5V or +8V to +28V Input Voltage Range
Up to 60A Output Current
Internal Voltage Regulator for a +12V or +24V Power Bus
Internal 5-Bit DAC VID Control (VRM 9.0 Compliant, 0.8% Accuracy)
Programmable Adaptive Output Voltage Positioning
True Differential Remote Output Sensing
Out-Of-Phase Controllers Reduce Input Capacitance Requirement and Distribute Power Dissipation
Average Current-Mode Control
Superior Current Sharing Between Individual Phases and Paralleled Modules
Accurate Current Limit Eliminates MOSFET and Inductor Derating
Integrated High-Output-Current Gate Drivers
Selectable Fixed Frequency 250kHz or 500kHz Per Phase (Up to 1MHz for 2 Phases)
External Frequency Synchronization from 125kHz to 600kHz
Internal PLL with Clock Output for Paralleling Multiple DC-DC Converters
Notes: **This pricing is BUDGETARY, for comparing similar parts. Prices are in
U.S. dollars and subject to change. Quantity pricing may vary
substantially and international prices may differ due to local
duties, taxes, fees, and exchange rates. For volume-specific prices
and delivery, please see the price and availability page
or contact an authorized distributor.
* Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.
Devices:
1-4
of
4
MAX5037
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TYPE PINS FOOTPRINT
DRAWING CODE/VAR *
Temp
RoHS/Lead-Free? Materials Analysis
MAX5037EMH
MQFP;44 pin;
Dwg: 21-0826D (PDF)
Use pkgcode/variation: M44-5*
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