Datasheet LTM4611 (Analog Devices) - 3

ManufacturerAnalog Devices
DescriptionUltralow VIN, 15A DC/DC µModule Regulator
Pages / Page30 / 3 — elecTrical characTerisTics. The. denotes the specifications which apply …
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elecTrical characTerisTics. The. denotes the specifications which apply over the full internal operating

elecTrical characTerisTics The denotes the specifications which apply over the full internal operating

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LTM4611
elecTrical characTerisTics The
l
denotes the specifications which apply over the full internal operating junction temperature range, otherwise specifications are at TA = 25°C, VIN = 3.3V, per the typical application in Figure 21. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input Specifications
VIN Input DC Voltage l 1.5 5.5 V VRUN RUN Pin On Threshold VRUN Rising l 1.1 1.22 1.35 V VRUNHYS RUN Pin On Hysteresis 80 mV VRUN(FLOAT) RUN Pin Voltage when Floating 3.4 3.65 4 V IRUN(UP,1V) RUN Pin Pul -Up Current 1.1 µA (RUN = 1V) IRUN(UP,1.5V) RUN Pin Pul -Up Current 10 µA (RUN = 1.5V) IRUN(DOWN,5V) RUN Pin Pul -Down Current 1 nA (RUN = 5V) IQ Input Supply Bias Current VOUT = 1.5V, Burst Mode Operation, IOUT = 0.1A 70 mA VOUT = 1.5V, Pulse-Skipping Mode, IOUT = 0.1A 140 mA VOUT = 1.5V, Switching Continuous, IOUT = 0.1A 145 mA Shutdown, RUN = 0V 1.1 mA IS(VIN) Input Supply Current VIN = 2.5V, VOUT = 1.5V, IOUT = 15A 10.4 A VIN = 3.3V, VOUT = 1.5V, IOUT = 15A 7.9 A VIN = 5V, VOUT = 1.5V, IOUT = 15A 5.3 A VIN = 1.5V, VOUT = 0.8V, IOUT = 15A 10.2 A
Output Specifications
VOUT(DC) Output Voltage, Total Variation Utilizing DIFF_AMP, RFB = Not Used, VIN = 1.5V to 0.785 0.797 0.809 V with Line and Load 5.5V, IOUT = 0A to 15A (Note 4), RFB Electrically l 0.781 0.797 0.813 V Floating, MODE_PLLIN = GND VOUT(RANGE) Utilizing DIFF_AMP (Example See Figure 21) 3.7 V Not Utilizing DIFF_AMP (Example See Figure 20) 5.4 V IOUT(DC) Output Continuous Current Range VOUT = VFB (Note 4) 0 15 A ∆VOUT (Line) Line Regulation Accuracy VOUT = VFB, VIN from 1.5V to 5.5V, IOUT = 0A l 0.3 % VOUT ∆VOUT (Load) Load Regulation Accuracy VOUT = 1.5V, IOUT = 0A to 15A, VIN = 3.3V l 0.2 0.5 % VOUT (Note 4) VOUT(AC) Output Ripple Voltage IOUT = 0A, COUT = 100µF ×4 X5R Ceramic, 8 mVP-P VIN = 3.3V, VOUT = 1.5V ∆VOUT(START) Turn-On Overshoot COUT = 100µF ×4 X5R Ceramic, VOUT = 1.5V, 5 mV IOUT = 0A, VIN = 3.3V, CSS = 1nF tSTART Turn-On Time COUT = 100µF ×4 X5R Ceramic, No Load, 500 µs CSS = 1nF, VIN = 3.3V, VOUT = 1.5V ∆VOUTLS Peak Deviation for Dynamic Load Load: 0% to 50% to 0% of Full Load 60 mV VIN = 3.3V, VOUT = 1.5V, COUT = 100µF ×4 X5R Ceramic, CFF = 100pF tSETTLE Settling Time for Dynamic Load Load: 0% to 50% to 0% of Full Load 40 µs Step VIN = 3.3V, VOUT = 1.5V, COUT = 100µF ×4 X5R Ceramic, CFF = 100pF IOUT(PK) Output Current Limit VIN = 5V, VOUT = 1.5V 30 A VIN = 3.3V, VOUT = 1.5V 30 A 4611fb For more information www.linear.com/LTM4611 3 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Photograph Package Description Revision History Typical Application Related Parts
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