Datasheet LTM4601A, LTM4601A-1 (Analog Devices) - 3

LTM4601A/LTM4601A-1
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating temperature range (Note 2), otherwise specifications are at TA = 25°C, VIN = 12V, per typical application (front page) configuration. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN(DC) Input DC Voltage l 4.5 20 V VOUT(DC) Output Voltage, Total Variation with CIN = 10µF ×3, COUT = 200µF, RSET = 40.2k Line and Load VIN = 5V to 20V, IOUT = 0A to 12A (Note 5) l 1.478 1.5 1.522 V
Input Specifications
VIN(UVLO) Undervoltage Lockout Threshold IOUT = 0A 3.2 4 V IINRUSH(VIN) Input Inrush Current at Startup IOUT = 0A. VOUT = 1.5V VIN = 5V 0.6 A VIN = 12V 0.7 A IQ(VIN,NOLOAD) Input Supply Bias Current VIN = 12V, No Switching 3.8 mA VIN = 12V, VOUT = 1.5V, Switching Continuous 38 mA VIN = 5V, No Switching 2.5 mA VIN = 5V, VOUT = 1.5V, Switching Continuous 42 mA Shutdown, RUN = 0, VIN = 12V 22 µA IS(VIN) Input Supply Current VIN = 12V, VOUT = 1.5V, IOUT = 12A 1.81 A VIN = 12V, VOUT = 3.3V, IOUT = 12A 3.63 A VIN = 5V, VOUT = 1.5V, IOUT = 12A 4.29 A INTVCC VIN = 12V, RUN > 2V No Load 4.7 5 5.3 V
Output Specifications
IOUTDC Output Continuous Current Range VIN = 12V, VOUT = 1.5V (Note 5) 0 12 A ∆VOUT(LINE) Line Regulation Accuracy VOUT = 1.5V, IOUT = 0A, VIN from 4.5V to 20V l 0.3 % VOUT ∆VOUT(LOAD) Load Regulation Accuracy VOUT = 1.5V, 0A to 12A (Note 5) V V l 0.25 % OUT IN = 12V, with Remote Sense Amplifier VIN = 12V (LTM4601A-1) l 1 % VOUT(AC) Output Ripple Voltage IOUT = 0A, COUT = 2× 100µF X5R Ceramic VIN = 12V, VOUT = 1.5V 20 mVP-P VIN = 5V, VOUT = 1.5V 18 mVP-P fS Output Ripple Voltage Frequency IOUT = 5A, VIN = 12V, VOUT = 1.5V 850 kHz ∆VOUT(START) Turn-On Overshoot COUT = 200µF, VOUT = 1.5V, IOUT = 0A, TRACK/SS = 10nF VIN = 12V 20 mV VIN = 5V 20 mV tSTART Turn-On Time COUT = 200µF, VOUT = 1.5V, TRACK/SS = Open, IOUT = 1A Resistive Load VIN = 12V 0.5 ms VIN = 5V 0.5 ms ΔVOUTLS Peak Deviation for Dynamic Load Load: 0% to 50% to 0% of Full Load, COUT = 2 × 22µF Ceramic, 470µF 4V Sanyo POSCAP VIN = 12V 35 mV VIN = 5V 35 mV tSETTLE Settling Time for Dynamic Load Step Load: 0% to 50%, or 50% to 0% of Full Load VIN = 12V 25 µs IOUTPK Output Current Limit COUT = 200µF Ceramic VIN = 12V, VOUT = 1.5V 17 A VIN = 5V, VOUT = 1.5V 17 A 4601afe For more information www.linear.com/LTM4601A 3 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Revision History Package Photos Related Parts