Datasheet LTM4600 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | 10A High Efficiency DC/DC µModule |
| Pages / Page | 26 / 3 — elecTrical characTerisTics The. denotes the specifications which apply … |
| File Format / Size | PDF / 433 Kb |
| Document Language | English |
elecTrical characTerisTics The. denotes the specifications which apply over the –40°C to 85°C
Model Line for this Datasheet
Text Version of Document
LTM4600
elecTrical characTerisTics The
l
denotes the specifications which apply over the –40°C to 85°C temperature range, 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 FCB = 0V VIN = 5V or 12V, VOUT = 1.5V, IOUT = 0A 1.478 1.50 1.522 V l 1.470 1.50 1.530 V
Input Specifications
VIN(UVLO) Under Voltage Lockout Threshold IOUT = 0A 3.4 4 V IINRUSH(VIN) Input Inrush Current at Startup IOUT = 0A. VOUT = 1.5V, FCB = 0 VIN = 5V 0.6 A VIN = 12V 0.7 A IQ(VIN) Input Supply Bias Current IOUT = 0A, EXTVCC Open VIN = 12V, VOUT = 1.5V, FCB = 5V 1.2 mA VIN = 12V, VOUT = 1.5V, FCB = 0V 42 mA VIN = 5V, VOUT = 1.5V, FCB = 5V 1.0 mA VIN = 5V, VOUT = 1.5V, FCB = 0V 52 mA Shutdown, RUN = 0.8V, VIN = 12V 35 75 µA IS(VIN) Input Supply Current VIN = 12V, VOUT = 1.5V, IOUT = 10A 1.52 A VIN = 12V, VOUT = 3.3V, IOUT = 10A 3.13 A VIN = 5V, VOUT = 1.5V, IOUT = 10A 3.64 A
Output Specifications
IOUTDC Output Continuous Current Range VIN = 12V, VOUT = 1.5V 0 10 A (See Output Current Derating Curves for Different VIN, VOUT and TA) ΔVOUT(LINE) Line Regulation Accuracy VOUT = 1.5V, IOUT = 0A, FCB = 0V, l 0.15 0.3 % V V OUT IN = 4.5V to 20V ΔVOUT(LOAD) Load Regulation Accuracy VOUT = 1.5V, IOUT = 0A to 10A, FCB = 0V V V ±1 % OUT IN = 5V VIN = 12V (Notes 3, 4) l ±1.5 % VOUT(AC) Output Ripple Voltage VIN = 12V, VOUT = 1.5V, IOUT = 0A, FCB = 0V 10 15 mVP-P fs Output Ripple Voltage Frequency VOUT = 1.5V, IOUT = 5A, FCB = 0V 850 kHz tSTART Turn-On Time VOUT = 1.5V, IOUT = 1A VIN = 12V 0.5 ms VIN = 5V 0.7 ms ΔVOUTLS Voltage Drop for Dynamic Load Step VOUT = 1.5V, Load Step: 0A/µs to 5A/µs 36 mV COUT = 3 • 22µF 6.3V, 470µF 4V POSCAP, See Table 2 tSETTLE Settling Time for Dynamic Load Step Load: 10% to 90% to 10% of Full Load 25 µs IOUTPK Output Current Limit Output Voltage in Foldback VIN = 12V, VOUT = 1.5V 14 A VIN = 5V, VOUT = 1.5V 14 A
Control Stage
VOSET Voltage at VOSET Pin IOUT = 0A, VOUT = 1.5V l 0.591 0.6 0.609 V 0.594 0.6 0.606 V VRUN/SS RUN ON/OFF Threshold 0.8 1.5 2 V IRUN(C)/SS Soft-Start Charging Current VRUN/SS = 0V –0.5 –1.2 –3 µA IRUN(D)/SS Soft-Start Discharging Current VRUN/SS = 4V 0.8 1.8 3 µA VIN – SVIN EXTVCC = 0V, FCB = 0V 100 mV 4600fd For more information www.linear.com/LTM4600 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information Typical Application Package Description Revision History Typical Application Related Parts
elecTrical characTerisTics The
l
denotes the specifications which apply over the –40°C to 85°C temperature range, 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 FCB = 0V VIN = 5V or 12V, VOUT = 1.5V, IOUT = 0A 1.478 1.50 1.522 V l 1.470 1.50 1.530 V
Input Specifications
VIN(UVLO) Under Voltage Lockout Threshold IOUT = 0A 3.4 4 V IINRUSH(VIN) Input Inrush Current at Startup IOUT = 0A. VOUT = 1.5V, FCB = 0 VIN = 5V 0.6 A VIN = 12V 0.7 A IQ(VIN) Input Supply Bias Current IOUT = 0A, EXTVCC Open VIN = 12V, VOUT = 1.5V, FCB = 5V 1.2 mA VIN = 12V, VOUT = 1.5V, FCB = 0V 42 mA VIN = 5V, VOUT = 1.5V, FCB = 5V 1.0 mA VIN = 5V, VOUT = 1.5V, FCB = 0V 52 mA Shutdown, RUN = 0.8V, VIN = 12V 35 75 µA IS(VIN) Input Supply Current VIN = 12V, VOUT = 1.5V, IOUT = 10A 1.52 A VIN = 12V, VOUT = 3.3V, IOUT = 10A 3.13 A VIN = 5V, VOUT = 1.5V, IOUT = 10A 3.64 A
Output Specifications
IOUTDC Output Continuous Current Range VIN = 12V, VOUT = 1.5V 0 10 A (See Output Current Derating Curves for Different VIN, VOUT and TA) ΔVOUT(LINE) Line Regulation Accuracy VOUT = 1.5V, IOUT = 0A, FCB = 0V, l 0.15 0.3 % V V OUT IN = 4.5V to 20V ΔVOUT(LOAD) Load Regulation Accuracy VOUT = 1.5V, IOUT = 0A to 10A, FCB = 0V V V ±1 % OUT IN = 5V VIN = 12V (Notes 3, 4) l ±1.5 % VOUT(AC) Output Ripple Voltage VIN = 12V, VOUT = 1.5V, IOUT = 0A, FCB = 0V 10 15 mVP-P fs Output Ripple Voltage Frequency VOUT = 1.5V, IOUT = 5A, FCB = 0V 850 kHz tSTART Turn-On Time VOUT = 1.5V, IOUT = 1A VIN = 12V 0.5 ms VIN = 5V 0.7 ms ΔVOUTLS Voltage Drop for Dynamic Load Step VOUT = 1.5V, Load Step: 0A/µs to 5A/µs 36 mV COUT = 3 • 22µF 6.3V, 470µF 4V POSCAP, See Table 2 tSETTLE Settling Time for Dynamic Load Step Load: 10% to 90% to 10% of Full Load 25 µs IOUTPK Output Current Limit Output Voltage in Foldback VIN = 12V, VOUT = 1.5V 14 A VIN = 5V, VOUT = 1.5V 14 A
Control Stage
VOSET Voltage at VOSET Pin IOUT = 0A, VOUT = 1.5V l 0.591 0.6 0.609 V 0.594 0.6 0.606 V VRUN/SS RUN ON/OFF Threshold 0.8 1.5 2 V IRUN(C)/SS Soft-Start Charging Current VRUN/SS = 0V –0.5 –1.2 –3 µA IRUN(D)/SS Soft-Start Discharging Current VRUN/SS = 4V 0.8 1.8 3 µA VIN – SVIN EXTVCC = 0V, FCB = 0V 100 mV 4600fd For more information www.linear.com/LTM4600 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information Typical Application Package Description Revision History Typical Application Related Parts
