Datasheet LTM4603, LTM4603-1 (Analog Devices) - 3

LTM4603/LTM4603-1
electrical characteristics The
l
denotes the specifications which apply over the –40°C to 85°C 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
IQ(VIN,NOLOAD) Input Supply Bias Current VIN = 12V, No Switching 3.8 mA VIN = 12V, VOUT = 1.5V, Switching Continuous 25 mA VIN = 5V, No Switching VIN = 5V, VOUT = 1.5V, Switching Continuous 2.5 mA Shutdown, RUN = 0, VIN = 12V 43 mA 22 µA IS(VIN) Input Supply Current VIN = 12V, VOUT = 1.5V, IOUT = 6A 0.92 A VIN = 12V, VOUT = 3.3V, IOUT = 6A 1.83 A VIN = 5V, VOUT = 1.5V, IOUT = 6A 2.12 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 6 A ∆VOUT(LINE) Line Regulation Accuracy VOUT = 1.5V, IOUT = 0A, VIN = 4.5V to 20V l 0.3 % VOUT ∆VOUT(LOAD) Load Regulation Accuracy VOUT = 1.5V, IOUT = 0A to 6A (Note 5) V V l 0.25 % OUT IN = 12V, with Remote Sense Amp VIN = 12V, LTM4603-1 l 0.5 % VOUT(AC) Output Ripple Voltage IOUT = 0A, COUT = 2× 100µF X5R Ceramic VIN = 12V, VOUT = 1.5V 10 mVP-P VIN = 5V, VOUT = 1.5V 10 mVP-P fS Output Ripple Voltage Frequency IOUT = 3A, VIN = 12V, VOUT = 1.5V 1000 kHz ΔVOUT(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% to 10% of Full Load VIN = 12V 25 µs IOUTPK Output Current Limit COUT = 2× 100µF X5R Ceramic VIN = 12V, VOUT = 1.5V 8 A VIN = 5V, VOUT = 1.5V 8 A
Remote Sense Amp (LTM4603 Only, Not Supported in the LTM4603-1) (Note 3)
V + – OSNS , VOSNS Common Mode Input Voltage Range VIN = 12V, RUN > 2V 0 INTVCC – 1 V CM Range DIFFVOUT Range Output Voltage Range VIN = 12V, DIFFVOUT Load = 100k 0 INTVCC – 1 V VOS Input Offset Voltage Magnitude 1.25 mV AV Differential Gain 1 V/V GBP Gain Bandwidth Product 3 MHz SR Slew Rate 2 V/µs 4603fb 3 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information Typical Application Package Description Revision History Typical Application Package Photograph Related Parts