Datasheet LTM4671 (Analog Devices) - 3

link to page 30 LTM4671
ORDER INFORMATION PART MARKING* PACKAGE MSL TEMPERATURE RANGE PART NUMBER PAD OR BALL FINISH DEVICE FINISH CODE TYPE RATING (SEE NOTE 2)
LTM4671EY#PBF LTM4671Y SAC305 (RoHS) e1 BGA 3 –40°C to 125°C LTM4671IY#PBF LTM4671Y • Device temperature grade is indicated by a label on the shipping container. • This product is not recommended for second side reflow. • Pad or ball finish code is per IPC/JEDEC J-STD-609. This product is moisture sensitive. For more information, go to Recommended BGA PCB Assembly and Manufacturing • BGA Package and Tray Drawings Procedures.
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified internal operating temperature range. Specified as each individual output channel. TA = 25°C (Note 2), SVIN = VIN = 12V, unless otherwise noted. Per the typical application in Figure 30. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Switching Regulator Section: (12A Channels)
VIN Input DC Voltage l 3.1 20 V VIN(AFTER START-UP) Input DC Voltage After Start-Up l 2.9 20 V VOUT(RANGE) Output Voltage Range l 0.6 3.3 V VOUT(DC) Output Voltage, Total Variation with CIN = 22µF, COUT = 100µF Ceramic l 1.482 1.50 1.518 V Line and Load RFB = 40.2k, Continuous Current Mode SVIN = VIN = 3.1V to 20V, IOUT = 0A to 12A IQ(VIN) Input Supply Bias Current SVIN = VIN = 12V, VOUT = 1.5V, Continuous Current Mode 75 mA SVIN = VIN = 12V, RUN = 0, Shutdown 70 µA IS(VIN) Input Supply Current SVIN = VIN = 12V, VOUT = 1.5V, IOUT = 12A 1.6 A IOUT(DC) Output Continuous Current Range SVIN = VIN = 12V, VOUT = 1.5V (Note 4) 0 12 A ∆VOUT(LINE)/VOUT Line Regulation Accuracy VOUT = 1.5V, VIN = 3.1V to 20V, IOUT = 0A l 0.001 0.05 %/V ∆VOUT(LOAD)/VOUT Load Regulation Accuracy VOUT = 1.5V, IOUT = 0A to 12A l 0.2 0.5 % % VOUT(AC) Output Ripple Voltage IOUT = 0A, COUT = 100µF Ceramic 6 mV SVIN = VIN = 12V, VOUT = 1.5V ∆VOUT(START) Turn-On Overshoot IOUT = 0A, COUT = 100µF Ceramic, 15 mV SVIN = VIN = 12V, VOUT = 1.5V tSTART Turn-On Time TRACK/SS = 0.01µF, 1 ms SVIN = VIN = 12V, VOUT = 1.5V, COUT = 3× 100µF Ceramic ∆VOUTLS Peak Deviation for Dynamic Load Load: 0% to 25% to 0% of Full Load ±50 mV SVIN = VIN = 12V, VOUT = 1.5V, COUT = 3× 100µF Ceramic tSETTLE Settling Time for Dynamic Load Step Load: 0% to 25% to 0% of Full Load 50 µs SVIN = VIN = 12V, VOUT = 1.5V, COUT = 3× 100µF Ceramic IOUTPK Output Current Limit SVIN = VIN = 12V, VOUT = 1.5V 14 A VFB Voltage at VFB Pin IOUT = 0A, VOUT = 1.5V l 0.594 0.6 0.606 V IFB Current at VFB Pin (Note 6) ±50 nA RFB(TOP) Resistor Between VOUT and VFB Pins 60.05 60.40 60.75 kΩ Rev. B For more information www.analog.com 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Component BGA Pinout Package Description Revision History Package Photo Related Parts