Datasheet LTM4623 (Analog Devices) - 3

LTM4623 ELECTRICAL 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 = SVIN = 12V per the typical application shown on the front page. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Input DC Voltage SVIN = VIN l 4 20 V VOUT(RANGE) Output Voltage Range l 0.6 5.5 V VOUT(DC) Output Voltage, Total CIN = 22µF, COUT = 100µF Ceramic, RFB = 40.2k, Variation with Line and Load MODE = INTVCC, IOUT = 0A to 3A (Note 3) –40°C to 125°C l 1.477 1.50 1.523 V VRUN RUN Pin On Threshold VRUN Rising 1.1 1.2 1.3 V IQ(SVIN) Input Supply Bias Current VIN = 12V, VOUT = 1.5V, MODE = INTVCC 6 mA VIN = 12V, VOUT = 1.5V, MODE = GND 2 mA Shutdown, RUN = 0, VIN = 12V 11 µA IS(VIN) Input Supply Current VIN = 12V, VOUT = 1.5V, IOUT = 3A 0.5 A IOUT(DC) Output Continuous Current VIN = 12V, VOUT = 1.5V 0 3 A Range ∆VOUT (Line)/VOUT Line Regulation Accuracy VOUT = 1.5V, VIN = 4V to 20V, IOUT = 0A l 0.04 0.15 %/V ∆VOUT (Load)/VOUT Load Regulation Accuracy VOUT = 1.5V, IOUT = 0A to 3A l 0.5 1.5 % VOUT(AC) Output Ripple Voltage IOUT = 0A, COUT = 100µF Ceramic, VIN = 12V, 5 mV VOUT = 1.5V ∆VOUT(START) Turn-On Overshoot IOUT = 0A, COUT = 100µF Ceramic, TRACK/SS = 0.01µF, 30 mV VIN = 12V, VOUT = 1.5V tSTART Turn-On Time COUT = 100µF Ceramic, No Load, TRACK/SS = 0.01µF, 2.5 ms VIN = 12V, VOUT = 1.5V ∆VOUTLS Peak Deviation for Dynamic Load: 0% to 50% to 0% of Full Load, COUT = 47µF 80 mV Load Ceramic, VIN = 12V, VOUT = 1.5V tSETTLE Settling Time for Dynamic Load: 0% to 50% to 0% of Full Load, COUT = 47µF 40 µs Load Step Ceramic, VIN = 12V, VOUT = 1.5V IOUTPK Output Current Limit VIN = 12V, VOUT = 1.5V 3.5 5 A VFB Voltage at FB Pin IOUT = 0A, VOUT = 1.5V, –40°C to 125°C l 0.592 0.60 0.606 V IFB Current at FB Pin (Note 4) ±30 nA RFBHI Resistor Between VOUT and 60.05 60.40 60.75 kΩ FB Pins ITRACK/SS Track Pin Soft-Start Pull-Up TRACK/SS = 0V 2 4 µA Current VIN(UVLO) VIN Undervoltage Lockout VIN Falling, SVIN = VIN 2.4 2.6 2.8 V VIN Hysteresis, SVIN = VIN 350 mV tON(MIN) Minimum On-Time (Note 4) 40 ns tOFF(MIN) Minimum Off-Time (Note 4) 70 ns VPGOOD PGOOD Trip Level VFB With Respect to Set Output VFB Ramping Negative –15 –10 –7 % VFB Ramping Positive 7 10 15 % 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 Photos Design Resources Related Parts