Datasheet LTM4614 (Analog Devices) - 2

LTM4614
absoluTe MaxiMuM raTings pin conFiguraTion (Note 1) (See Pin Functions, Pin Configuration Table)
VIN1, VIN2, PGOOD1, PGOOD2 ..–0.3V to 6V TOP VIEW COMP1, COMP2, RUN/SS1, RUN/SS2 PGOOD1 TRACK1 COMP1 FB1, FB2,TRACK1, TRACK2 ... –0.3V to V RUN/SS1 FB1 IN M SW1, SW2, VOUT1, VOUT2 .. –0.3V to (VIN + 0.3V) L Internal Operating Temperature Range VOUT1 K (Notes 2, 3) .. –40°C to 125°C VIN1 J Storage Temperature Range .. –55°C to 125°C H SW1 GND1 Body Temperature, Solder Reflow ... 245°C G F E VOUT2 D VIN2 C B SW2 GND2 A 1 2 3 4 5 6 7 8 9 10 11 12 RUN/SS2 PGOOD2 FB2 TRACK2 COMP2 LGA PACKAGE 144-LEAD (15mm × 15mm × 2.82mm) TJMAX = 125°C, θJCbottom = 2-3°C/W, θJA = 15°C/W, θJCtop = 25°C/W, θ Values Determined Using a 4-Layer 95mm × 76mm PCB, Weight = 1.7g
orDer inForMaTion LEAD FREE FINISH TRAY PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE (Note 2)
LTM4614EV#PBF LTM4614EV#PBF LTM4614V 144-Lead (15mm × 15mm × 2.82mm) LGA –40°C to 125°C LTM4614IV#PBF LTM4614IV#PBF LTM4614V 144-Lead (15mm × 15mm × 2.82mm) LGA –40°C to 125°C 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: http://www.linear.com/leadfree/ This product is only offered in trays. For more information go to: http://www.linear.com/packaging/
e lecTrical characTerisTics The
l
denotes the specifications which apply over the full internal operating temperature range (Note 2), otherwise specifications are at TA = 25°C. VIN = 5V unless otherwise noted. Refer to Figure 1. Specified as each channel (Note 5). SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN(DC) Input DC Voltage l 2.375 5.5 V VOUT(DC) Output Voltage CIN = 22µF, COUT = 100µF, RFB = 5.76k VIN = 2.375V to 5.5V, IOUT = 0A to 4A (Note 4) 0°C ≤ TJ ≤ 125°C 1.460 1.49 1.508 V l 1.45 1.49 1.512 V VIN(UVLO) Undervoltage Lockout Threshold IOUT = 0A 1.6 2 2.3 V IINRUSH(VIN) Input Inrush Current at Start-Up IOUT = 0A, CIN = 22µF, COUT = 100µF, VOUT = 1.5V VIN = 5.5V 0.35 A IQ(VIN) Input Supply Bias Current VIN = 2.375V, VOUT = 1.5V, Switching Continuous 20 mA VIN = 5.5V, VOUT = 1.5V, Switching Continuous 35 mA Shutdown, RUN = 0, VIN = 5V 7 12 µA 4614fb 2 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information Package Description Revision History Package Photograph Related Parts