LTM4611IV#PBF Linear Technology, LTM4611IV#PBF Datasheet

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... LGA package. The LTM4611 is PB-free and RoHS compliant. L, LT, LTC, LTM, Linear Technology, the Linear logo, Burst Mode, PolyPhase and µModule are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents, including 5481178, 5847554, 6580258, 6304066, 6476589, 6774611, 6677210 ...

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... LTM4611EV#PBF LTM4611EV#PBF LTM4611IV#PBF LTM4611IV#PBF Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. For more information on lead free part marking, go to: This product is only offered in trays. For more information go to: ...

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T SYMBOL PARAMETER Input Specifications V Input DC Voltage IN V RUN Pin On Threshold RUN V RUN Pin On Hysteresis RUNHYS V RUN Pin Voltage when Floating RUN(FLOAT) I RUN ...

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LTM4611 elecTrical characTerisTics junction temperature range, otherwise specifications are at T SYMBOL PARAMETER Control Section V Voltage at V Pin Feedback Overvoltage Lockout OVL I Track Pin Soft-Start Pull-Up TRACK/SS Current t Minimum On-Time ON(MIN) ...

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T SYMBOL PARAMETER PLLFLTR/f PLLFLTR/f Open-Circuit SET(FLOAT) SET Voltage Frequency Nominal Nominal Frequency Frequency Low Lowest Frequency Frequency High Highest Frequency I PLLFLTR PLLFLTR Sourcing Capability Sinking Capability R Mode_PLLIN Input ...

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LTM4611 Typical perForMance characTerisTics Efficiency vs Load Current at 1.5V , Forced Continuous Mode IN 95 1.2V OUT 1.0V OUT 0.9V OUT 0.8V 90 OUT OUTPUT CURRENT (A) 4611 G01 Efficiency vs ...

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Typical perForMance characTerisTics 3.3V Transient Response OUT 50mV/DIV AC-COUPLED I LOAD 5A/DIV 20µs/DIV 3.3V, USING DIFF AMP IN OUT 2 100µF CERAMIC OUTPUT CAPACITORS C = 10pF , C = NONE FF P ...

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LTM4611 pin FuncTions PLLFLTR/f : (B12) Phase-Locked Loop Lowpass Filter SET for the Internal Phase Detector. LTM4611’s default switch- ing frequency is 500kHz. Its switching frequency can be increased by connecting a resistor from this pin to INTV or decreased ...

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DiagraM V OUT_LCL V IN >1.35V = ON <1.1V = OFF R1 ABS MAX = 6V RUN COMP R2 INTERNAL AS NEEDED COMP SGND V FB PLLFLTR/f SET 240k INTERNAL FILTER TRACK/SS MODE_PLLIN C SS INTV CC Decoupling reQuireMenTs ...

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... The LTM4611 is internally compensated to be stable over all operating conditions. Table 5 provides a guideline for input and output capacitances for several operating con- ditions. The Linear Technology µModule Power Design Tool will be provided for transient and stability analysis. The V pin is used to program the output voltage with a FB single external resistor to ground ...

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The typical LTM4611 application circuit is shown in Figure 21. External component selection is primarily determined by the maximum load current and output voltage. Refer to Table 5 for specific external capacitor requirements for particular applications ...

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... The table optimizes total equivalent ESR and total bulk capacitance to optimize the transient performance. Stabil- ity criteria are considered in the Table 5 matrix, and the Linear Technology µModule Power Design Tool will be provided for stability analysis. Multiphase operation will reduce effective output ripple as a function of the num- ber of phases ...

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MODE_PLLIN pin to GND. In this mode, inductor current is allowed to reverse during low output loads, the I voltage is in control of the current TH comparator threshold throughout, and the top MOSFET ...

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LTM4611 applicaTions inForMaTion PLL, Frequency Adjustment and Synchronization The default switching frequency of the LTM4611–with PLLFLTR/f left floating–is 500kHz, nominally. The SET PLLFLTR/f pin is driven to 1.23V through a high im- SET pedance (>350kΩ) network. If desired, a resistor ...

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V IN 1. IN1 IN2 22µF 22µF 10V 10V V IN 1. IN4 IN5 IN6 22µF 22µF 22µF 10V 10V 10V R1 10k MASTER OUTPUT OUTPUT SLAVE OUTPUT VOLTAGE ...

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LTM4611 applicaTions inForMaTion Decreasing the PLLFLTR/f RC time constant can be SET accomplished, for example, by driving the PLLFLTR/f pin with an external, lower impedance resistor divider network from INTV and GND to PLLFLTR/f CC simplest of implementations, by shorting ...

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... Stability Compensation The module has already been internally compensated for all output voltages. Table 5 is provided for most ap- plication requirements. The Linear Technology µModule Power Design Tool will be provided for other control loop optimization. Thermal Considerations and Output Current Derating ...

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LTM4611 applicaTions inForMaTion 4. θ is the junction-to-board thermal resistance where JB almost all of the heat flows through the bottom of the µModule and into the board, and is really the sum of the θ and the thermal resistance ...

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IN 3.3V 3.5 IN 2.5V IN 1.8V 3.0 IN 1.5V IN 2.5 2.0 1.5 1.0 0 OUTPUT CURRENT (A) 4611 F07 Figure 7. 1.2V Power Loss OUT ...

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LTM4611 applicaTions inForMaTion 400LFM 2 200LFM 0LFM 105 55 85 AMBIENT TEMPERATURE (°C) Figure 16 3.3V with Heat Sink IN OUT Table 2. 1.2V Output DERATING CURVE ...

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Table 2. Tables 2, 3 and 4 provide equivalent thermal resistances for ...

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LTM4611 applicaTions inForMaTion OUT OUT2 (V) (V) (CERAMIC) (BULK) (CERAMIC) 1.2 3.3 150µ 100µF 2 × 47µF 1.2 3.3 2 × 47µF 150µF 7 × 22µF 1.2 5 ...

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Safety Considerations The LTM4611 modules do not provide galvanic isolation from There is no internal fuse. If required, IN OUT a slow blow fuse with a rating twice the maximum input current needs to ...

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LTM4611 Typical applicaTions V IN 1.5V TO 5.5V R1 10k R2 4-PHASE CLOCK INTV 100k SET C1 LTC6902 1µF DIV MOD GND PH OUT4 OUT1 OUT3 OUT2 Figure 18. 1.2V, 60A, Current Sharing with 4-Phase Operation  ...

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Typical applicaTions V IN 1.5V TO 5.5V C IN1 22µF 10V R1 10k INTV CC CLOCK SYNC 0 PHASE + V OUT1 C1 LTC6908-1 1µF GND OUT2 R2 200k MOD SET C IN4 22µF 10V CLOCK SYNC 180 PHASE Figure ...

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LTM4611 package phoTograph package DescripTion PIN NAME INTV CC A8 MODE_PLLIN A9 TRACK/SS A10 RUN A11 COMP A12 MTP1 PIN NAME ...

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... DescripTion Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights bbb 6.9850 5.7150 4.4450 3 ...

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... IN OUT ≤ 15V, 15mm × 15mm × 2.8mm Package OUT ≤ 10V, 9mm × 11.25mm × 2.8mm Package OUT ≤ 10V; 3.6V ≤ V ≤ 36V; OUT IN LT 0510 • PRINTED IN USA  LINEAR TECHNOLOGY CORPORATION 2010 4611f ...