MAX1937EEI-T

step-down controller, SSOP28, -0.3V to +28V, 860.2mW, MAX1937EEI-T

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Price:: US $2.11~3.76 / piece [Get Latest Price]

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PartNumber:: MAX1937EEI-T

Brand:: Maxim Integrated Products - Maxim | Pack: SSOP | D/C: 11+

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Products Upload time: 2012-08-24

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Part Number:MAX1937EEI-T
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Product Summary

The MAX1937EEI-T is a synchronous, two-phase, step-down controller capable of delivering load currents up to 60A. The MAX1937EEI-T utilizes Quick-PWM control architecture in conjunction with active load-current voltage positioning. Quick-PWM control provides instantaneous load-step response, while programmable voltage positioning allows the converter to utilize full transient regulation limits, reducing the output capacitance requirement. The two phases operate 180° out-of-phase with an effective 500kHz switching frequency, thus reducing input and output current ripple, as well as reducing input filter capacitor requirements. The applications of the MAX1937EEI-T are Notebook and Desktop Computers, Servers and Workstations, Blade Servers, High-End Switches, High-End Routers and Macro Base Stations.

Parametrics

MAX1937EEI-T absolute maximum ratings: (1)VCC to GND: -0.3V to +28V; (2)VDD, PWRGD, ILIM, FB to GND: -0.3V to +6V; (3)EN, GNDS, VPOS, REF, VID_, TIME to GND: 0.3V to VVDD + 0.3V; (4)PGND to GND: -0.3V to +0.3V; (5)CS1, CS2 to GND: -2V to +28V; (6)VLG to GND: -0.3V to +7V; (7)BST1, BST2 to GND: -0.3V to +35V; (8)LX1 to BST1: -7V to +0.3V; (9)LX2 to BST2: -7V to +0.3V; (10)DH1 to LX1: -0.3V to VBST1 + 0.3V; (11)DH2 to LX2: -0.3V to VBST2 + 0.3V; (12)DL1, DL2 to PGND: -0.3V to VVLG + 0.3V; (13)Continuous Power Dissipation: 860.2mW; (14)Operating Temperature Range: -40 to +85℃; (15)Junction Temperature: +150℃; (16)Storage Temperature Range: -65 to +150℃; (17)Lead Temperature (soldering, 10s): +300℃.

Features

MAX1937EEI-T features: (1)±0.75% Output Voltage Accuracy; (2)Instant Load-Transient Response; (3)Up to 90% Efficiency Eliminates Heatsinks; (4)Up to 60A Output Current; (5)8V to 24V Input Range; (6)User-Programmable Voltage Positioning; (7)Controlled VID Voltage Transition; (8)500kHz Effective Switching Frequency; (9)AMD Hammer Compatible; (10)Soft-Start; (11)Power-Good (PWRGD) Output; (12)Cycle-by-Cycle Current Limit; (13)Output Overvoltage Protection (OVP); (14)RDS(ON) or RSENSE Current Sensing; (15)Remote Voltage Sensing; (16)28-Pin QSOP Package.