DCDC Converter 6A Single-input Voltage, Synchronous Digital SupIRBuck Buck Regulator with PMBus Interface IR38060 FEATURES DESCRIPTION Internal LDO allows single 16V operation The IR38060 PMBus SupIRBuck is an easy-to-use, fully integrated and highly efficient DC/DC regulator Output Voltage Range: 0.5V to 0.875*PVin with I2C/PMBus interface. The onboard PWM controller 0.5% accurate Reference Voltage and MOSFETs make IR38060 a space-efficient solution, providing accurate power delivery for low Programmable Switching Frequency up to output voltage and high current applications. 1.5MHz using Rt/Sync pin or PMBus Internal Soft-Start with Pre-Bias Start-up The IR38060 can be comprehensively configured via Enable input with Voltage Monitoring Capability PMBus and the configuration stored in internal memory. In addition, PMBus commands allow run-time Remote Sense Amplifier with True Differential control, fault status and telemetry. Voltage Sensing Fast mode I2C and 400 kHz PMBus interface The IR38060 can also operate as a standard analog regulator without any programming and can provide Sequencing and tracking capable current and temperature telemetry in an analog format. Selectable analog mode or digital mode 66 PMBus commands for configuration, control, fault protection and telemetry. Thermally compensated current limit with APPLICATIONS configurable overcurrent responses Optional light load efficiency mode Server Applications External synchronization with Smooth Clocking Netcomm applications Dedicated output voltage sensing protection Embedded telecom Systems which remains active even when Enable is low. Distributed Point Of Load Architectures Integrated MOSFETs and Bootstrap diode o o Operating junction temp: -40 C<Tj<125 C Small Size 5mmx6mm PQFN Pb-Free (RoHS Compliant) ORDERING INFORMATION Base Package Standard Pack Orderable Part Application Description Part Type Form Quantity Number Standard part, 0.5Vout IR38060MTRPBF Broadcom SAS34xx, SAS35xx, SAS36xx, SAS37xx IR38060MBC01TRP 0.9Vout, 607kHz pre-configured IR38060MGM09TRP Tape QFN 4000 1.0Vout, 607kHz pre-configured IR38060 & IR38060MGM10TRP 5x6 mm 1.2Vout, 607kHz pre-configured Reel IR38060MGM12TRP 1.8Vout, 607kHz pre-configured IR38060MGM18TRP Standard part, 0.5Vout for Distributors 250 111-4188PBF 1 Rev 3.16 Jun 25, 2018 16 ADDR 15 EN/FCCM 14 RT/SYNC 13 LGND 12 PGND 11 PGOOD 10 RS+ 9 RS- 8 RSO IR38060 BASIC APPLICATION 5.5V <PVin<16V Optional placeholder for boot resistor. Default should be 0 ohm P1V8 Track EN Vin PVin Boot Vo Vcc/ SW LDO out Vsns PGood RS+ PGood RS- Rt/SYNC En/FCCM RSo Fb Vp Comp ADDR PGnd LGnd Figure 1: Typical Application Circuit Figure 2: Performance Curve PINOUT DIAGRAM PVIN 1 23 PGND 24 SW BOOT 2 22 VCC 26 TRACK EN 3 NC 21 VIN VP 4 20 P1V8 VSNS 5 19 SCL/OCSET 25 PGND FB 6 18 SDA/IMON 17 SALERT/TMON COMP 7 Figure 3: IR38060 package (Top View) 5mm x 6mm PQFN 2 Rev 3.16 Jun 25, 2018 SCL/OCSet SDA/IMON SAlert/TMON