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LTM4650 Datasheet(PDF) 1 Page - Analog Devices |
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LTM4650 Datasheet(HTML) 1 Page - Analog Devices |
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1 / 138 page  LTM4664A 1 Rev. 0 For more information www.analog.com Document Feedback TYPICAL APPLICATION FEATURES DESCRIPTION 30V to 58V Input, Dual 30A, Single 60A µModule Regulator with Digital Power System Management The LTM®4664A is a complete nonisolated 48V input high efficiency step-down µModule® regulator with dual 30A outputs. The switching controllers, power MOSFETs, inductors and supporting components are included. Only external capacitors are needed to complete the design. Operating over a 30V to 58V input voltage range, the LTM4664A supports an output voltage of 0.5V to 1.5V at up to 75W. An intermediate output at 25% • VIN is also available. The LTM4664A product video is available on the website. The LTM4664A dual 30A regulators utilize digitally pro- grammable analog control loops, precision data acquisition circuitry and EEPROM with ECC. The LTM4664A’s 2-wire serial interface allows the 30A outputs to be margined, tuned and ramped up and down at programmable slew rates and sequencing delay times. True input current sense, output currents and voltages, input and output power, tem- peratures, uptime and peak values are all readable for Dual 30A Power System Management (PSM) channels. APPLICATIONS n Complete 48V Input to Low Voltage Dual 30A Supply that Can Scale to 300A, Nonisolated n Dual Analog Loops with Digital Interface for Compensation, Control and Monitoring n Input Voltage Range: 30V to 58V n Output Voltage Range: 0.5V to 1.2V at 30A/Channel n ±3% Output Current Readback Accuracy (–20° to 125°C) n 87% Efficiency for 48V to 1V at 60A, 90% at 40A n ±0.5% Output Voltage Accuracy Over Temperature n 400kHz PMBus-Compliant I2C Serial Interface n 16mm × 16mm × 7.72mm BGA Package n 48V Systems n Computer and Networking Equipment n Electronic Test Equipment n Storage Systems All registered trademarks and trademarks are the property of their respective owners. Protected by U.S. Patents including 5408150, 5481178, 5705919, 5929620, 6144194, 6177787, 6580258, 7420359, 8163643. Licensed under U.S. Patent 7000125 and other related patents worldwide. 48V to VCORE at 60A 48V to 1V Up to 60A Click to view associated TechClip Videos. ON/OFF VDD25 VCORE 60A VOUT2 PGOODVCORE PGOODVCORE INTVCC VOUT2 VOUT2 INTVCCS1 INTVCC CER CFLY1 CBULK CER CER CFLY2 COMPH1 COMPH0 4.7µF 10k 10k COUT3 4.7µF CBULK 1µF COUT4 10k SWC0 SWC1 PGOOD_C0 PGOOD_C1 VOUTC0 INTVCCS1 EXTVCCS1 EXTVCCS2 INTVCCS2 VINS3_C1 VINS3_C0 VOUTC1 GND VOSNS–_C1 VOSNS+_C1 VOSNS–_C0 VOSNS+_C0 GND SGND_C0_C1 IN+ IN VOUT2 FREQS2 SGND_C0_C1 RFREQS2 4.7µF RSEL CER LOAD PINS NOT SHOWN FOR 4:1 VOLTAGE DIVIDER: VOUT2_SET, OVP_TRIP, VP_SET, INSNSS2+, INSNSS2–, UVS1, UVS2, HYS_PRGM1, HYS_PRGM2, TIMERS1, TIMERS2, INSNSS1+, INSNSS1–, FAULTS1, FAULTS2 PINS NOT SHOWN FOR 2-PHASE 60A SECTION: VOUTC0_CFG, VTRIMC0_CFG, VOUTC1_CFG, VTRIMC1_CFG, FSWPH_CFG, TSNSC0a, TSNSC0b, TSNSC1a, TSNSC1b, PWM_C0, PWM_C1, GL_C0, GL_C1, PHFLT_C0, PHFLT_C1, EXTVCC, SHARE_CLK, SCL, SDA, ALERT, SYNC FREQS1 RFREQS1 48V 4664A TA01a LTM4664A PGOODS2 VDD33 VDD33 PGOODS2 LTM4664A 4:1 DIVIDER DUAL PSM BUCK PMBus 48VIN VOUTC0 VIN/4 VOUTC1 VOUT2 VOUT1 VIN/2 0.5V TO 1.2V/30A 0.5V TO 1.2V/30A 4664A TA01b 48VIN, 1.0VOUT EFFICIENCY OUTPUT CURRENT (A) 0 10 20 30 40 50 60 70 75 80 85 90 95 4664A TA01c |
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