Datasheet LTM4616 (Analog Devices) - 3

LTM4616
e lectrical characteristics The
l
denotes the specifications which apply over the specified internal operating temperature range (Note 2). TA = 25°C, VIN = 5V unless otherwise noted. Per the typical application in Figure 18. Specified as each channel (Note 3). SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN1(DC), VIN2(DC) Input DC Voltage l 2.7 5.5 V VOUT1(DC), VOUT2(DC) Output Voltage, Total Variation CIN = 10µF × 1, COUT = 100µF Ceramic, with Line and Load 100µF POSCAP, RFB = 6.65k, MODE = 0V 1.472 1.49 1.508 V VIN = 2.7V to 5.5V, IOUT = IOUT(DC)MIN to IOUT(DC)MAX (Note 4) l 1.464 1.49 1.516 V
Input Specifications
VIN1(UVLO), Undervoltage Lockout Threshold SVIN Rising 2.05 2.2 2.35 V VIN2(UVLO) SVIN Falling 1.85 2.0 2.15 V IQ(VIN1, VIN2) Input Supply Bias Current VIN = 3.3V, VOUT = 1.5V, No Switching, MODE = VIN 400 µA VIN = 3.3V, VOUT = 1.5V, No Switching, MODE = 0V 1.15 mA VIN = 3.3V, VOUT = 1.5V, Switching Continuous 55 mA VIN = 5V, VOUT = 1.5V, No Switching, MODE = VIN 450 µA VIN = 5V, VOUT = 1.5V, No Switching, MODE = 0V 1.3 mA VIN = 5V, VOUT = 1.5V, Switching Continuous 75 mA Shutdown, RUN = 0, VIN = 5V 1 µA IS(VIN1, VIN2) Input Supply Current VIN = 3.3V, VOUT = 1.5V, IOUT = 8A 4.5 A VIN = 5V, VOUT = 1.5V, IOUT = 8A 2.93 A
Output Specifications
IOUT1(DC), IOUT2(DC) Output Continuous Current Range VOUT = 1.5V (Note 4) VIN = 3.3V, 5.5V 0 8 A VIN = 2.7V 0 5 A ΔVOUT1(LINE)/VOUT1 Line Regulation Accuracy VOUT = 1.5V, VIN from 2.7V to 5.5V, IOUT = 0A l 0.1 0.25 %/V ΔVOUT2(LINE)/VOUT2 ΔVOUT1(LOAD)/VOUT1 Load Regulation Accuracy VOUT = 1.5V (Note 4) ΔVOUT2(LOAD)/VOUT2 VIN = 3.3V, 5.5V, ILOAD = 0A to 8A l 0.3 0.5 % VIN = 2.7V, ILOAD = 0A to 5A l 0.3 0.5 % VOUT1(AC), VOUT2(AC) Output Ripple Voltage IOUT = 0A, COUT = 100µF X5R Ceramic, VIN = 5V, VOUT = 1.5V 10 mVP-P fS1, fS2 Switching Frequency IOUT = 8A, VIN = 5V, VOUT = 1.5V 1.25 1.5 1.75 MHz fSYNC1, fSYNC2 SYNC Capture Range 0.75 2.25 MHz ΔVOUT1(START), Turn-On Overshoot COUT = 100µF, VOUT = 1.5V, IOUT = 0A ΔVOUT2(START) VIN = 3.3V 10 mV VIN = 5V 10 mV tSTART1, tSTART2 Turn-On Time COUT = 100µF, VOUT = 1.5V, VIN = 5V, IOUT = 1A Resistive Load, Track = VIN 100 µs ΔVOUT1(LS), Peak Deviation for Dynamic Load Load: 0% to 50% to 0% of Full Load, 20 mV ΔVOUT2(LS) COUT = 100µF Ceramic x2, 470µF POSCAP, VIN = 5V, VOUT = 1.5V tSETTLE1, tSETTLE2 Settling Time for Dynamic Load Load: 0% to 50% to 0% of Full Load, VIN = 5V, 10 µs Step VOUT = 1.5V, COUT = 100µF IOUT1(PK), IOUT2(PK) Output Current Limit COUT = 100µF VIN = 2.7V, VOUT = 1.5V 8 A VIN = 3.3V, VOUT = 1.5V 11 A VIN = 5V, VOUT = 1.5V 13 A 4616ff For more information www.linear.com/LTM4616 3 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Pin Functions Simplified Block Diagram Operation Applications Information Package Description Revision History Package Photo Related Parts Design Resources