Datasheet LTM4632 (Analog Devices) - 3

link to page 22 LTM4632
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications that apply over the specified internal operating temperature range (Note 2). Specified as each individual output channel at TA = 25°C (Note 2), VIN = 12V, unless otherwise noted, per the typical application in Figure 19 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Input DC Voltage l 3.6 15 V VIN_3.3 3.3V Input DC Voltage VIN = INTVCC l 3.1 3.3 3.5 V VOUT1(RANGE) Output Voltage Range VIN = 3.6V to 15V l 0.6 2.5 V VOUT2(RANGE) l 1.8 V
Output Specification (Channel 1)
VOUT1(DC) CH1 Output Voltage, Total Variation CIN = 22µF, COUT = 100µF Ceramic l 1.28 1.30 1.32 V with Line and Load RFB1 = 51.7k, MODE = GND, IOUT = –3A to 3A IOUT1(DC) CH1 Output Continuous Current VIN = 12V, VOUT1 = 1.3V (Note 3) –3 3 A Range IQ1(VIN) CH1 Input Supply Bias Current VIN = 12V, VOUT1 = 1.3V, MODE = GND 13 mA VIN = 12V, VOUT1 = 1.3V, MODE = INTVCC 400 µA Shutdown, RUN1 = GND 40 µA IS1(VIN) CH1 Input Supply Current VIN = 12V, VOUT1 = 1.3V, IOUT = 3A 0.4 A ΔVOUT1(Line)/VOUT1 CH1 Line Regulation Accuracy VOUT1 = 1.3V, VIN = 3.6V to 15V, IOUT1 = 0A l 0.01 0.05 %/V ΔVOUT1(Load)/VOUT1 CH1 Load Regulation Accuracy VOUT1 = 1.3V, IOUT = –3A to 3A l 0.2 1.0 % VOUT1(AC) CH1 Output Ripple Voltage IOUT = 0A, COUT = 47µF Ceramic 30 mV VIN = 12V, VOUT1 = 1.3V ΔVOUT1(START) CH1 Turn-On Overshoot IOUT = 0A, COUT = 47µF Ceramic, 30 mV TRACK/SS1 = –0.1µF, VIN = 12V, VOUT1 = 1.3V tSTART Turn-On Time COUT = 100µF Ceramic, TRACK/SS1 = 0.01µF 1.2 ms No Load, VIN = 12V, VOUT1 = 1.3V ΔVOUTLS1 CH1 Peak Deviation for Dynamic Load: 0% to 25% to 0% of Full Load 85 mV Load COUT = 47µF Ceramic, VIN = 12V, VOUT1 = 1.3V tSETTLE1 CH1 Settling Time for Dynamic Load: 0% to 25% to 0% of Full Load 20 µs Load Step COUT = 47µF Ceramic, VIN = 12V, VOUT1 = 1.3V IOUTPK1 CH1 Output Current Limit VIN = 12V, VOUT1 = 1.3V 4.5 A
Output Specification (Channel 2)
VOUT2(DC) CH2 Output Voltage, Total Variation CIN = 22µF, COUT = 100µF Ceramic l 637 650 663 mV with Line and Load VDDQIN= 1.3V, MODE = GND, IOUT = –3A to 3A IOUT2(DC) CH2 Output Continuous Current VIN = 12V, VDDQIN = 1.3V (Note 3) –3 3 A Range IQ2(VIN) CH2 Input Supply Bias Current VIN = 12V, VDDQIN = 1.3V, MODE = GND 7 mA Shutdown, RUN2 = 0 40 µA IS2(VIN) CH2 Input Supply Current VIN = 12V, VDDQIN = 1.3V, IOUT = 3A 0.25 A ΔVOUT2(Line)/VOUT2 CH2 Line Regulation Accuracy VDDQIN = 1.3V, VIN = 3.6V to 15V, IOUT2 = 0A l 0.01 0.05 %/V ΔVOUT2(Load)/VOUT2 CH2 Load Regulation Accuracy VDDQIN = 1.3V, IOUT = –3A to 3A l 0.2 1.0 % VOUT2(AC) CH2 Output Ripple Voltage IOUT = 0A, COUT = 100µF Ceramic 30 mV VIN = 12V, VDDQIN = 1.3V ΔVOUTLS2 CH2 Peak Deviation for Dynamic Load: 0% to 25% to 0% of Full Load 85 mV Load COUT = 47µF Ceramic, VIN = 12V, VOUT1 = 1.3V tSETTLE2 CH2 Settling Time for Dynamic Load: 0% to 25% to 0% of Full Load 20 µs Load Step COUT = 47µF Ceramic, VIN = 12V, VOUT1 = 1.3V IOUTPK2 CH2 Output Current Limit 4.5 A Rev. D For more information www.analog.com 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 Package Description Revision History Package Photo Design Resources Related Parts