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ISL8272MAIRZ Datasheet(PDF) 1 Page - Renesas Technology Corp |
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ISL8272MAIRZ Datasheet(HTML) 1 Page - Renesas Technology Corp |
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1 / 59 page  FN8670 Rev.5.00 Nov 8, 2017 ISL8272M 50A Digital DC/DC PMBus Power Module DATASHEET FN8670 Rev.5.00 Page 1 of 59 Nov 8, 2017 The ISL8272M is a 50A step-down PMBus compliant digital power module. Integrated in the module is a high performance digital PWM controller, dual-phase power MOSFETs, inductors, and the passives. This high efficiency power module is capable of delivering 50A without the need for airflow and heatsinks. The ISL8272M can be placed in a current sharing configuration with up to four modules in parallel to deliver 200A continuous current. The ISL8272M operates with the ChargeMode™ control architecture, which responds to a transient load within a single switching cycle. The ISL8272M comes with operating in a pin strap mode; output voltage, switching frequency device, SMBus address, input UVLO, soft-start/stop, and current sharing can be programmed through external resistors. More configuration such as fault limits, fault response, margining, and sequencing can be easily programmed using the PMBus interface. PMBus can be used to monitor voltages, currents, temperatures, and fault status. The ISL8272M is supported by the PowerNavigator™ software, a graphical user interface (GUI) that can be used to configure modules to a desired solution. The ISL8272M is built in a compact (18mmx23mmx7.5mm) and low profile overmolded HDA package, suitable for automated assembly by standard surface mount equipment. Features • Complete digital switch mode power supply • Wide input voltage range: 4.5V to 14V • Programmable output voltage range: 0.6V to 5V • PMBus compliant communication interface •Programmable VOUT, margining, UV/OV, UC/OC, UT/OT, soft-start/stop, sequencing and external synchronization • Monitor of VIN, VOUT, IOUT, temperature, duty cycle, switching frequency, power-good, and faults • Fast response ChargeMode control architecture • Multiphase current sharing with up to four modules •±1.0% VOUT accuracy over line, load, and temperature • Internal nonvolatile memory and fault logging • Thermally enhanced HDA package Applications • Server, telecom, storage, and datacom • Industrial/ATE and networking equipment • General purpose power for ASIC, FPGA, DSP, and memory Related Literature • For a full list of related documents, visit our website - ISL8272M product page FIGURE 1. 50A APPLICATION CIRCUIT FIGURE 2. A SMALL PACKAGE FOR HIGH POWER DENSITY VIN VDD VR55 VR5 VR VOUT SGND PGND VR6 VDRV SCL SDA SALRT VMON VCC VDRV1 VSENP VSENN VIN CIN ISL8272M VOUT PMBUS INTERFACE COUT 100k 2x10µF 10µF 10µF EN ENABLE 6.65k NOTE: 1. Figure 1 represents a typical implementation of the ISL8272M. For PMBus operation, it is recommended to tie the enable pin (EN) to SGND. 23 mm 18mm 7.5mm |
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