Datasheet LTC3615, LTC3615-1 (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | Dual 4MHz, 3A Synchronous Step-Down DC/DC Converter |
| Pages / Page | 32 / 8 — Typical perForMance characTerisTics VIN = 3.3V, RT/SYNC = SVIN, unless … |
| File Format / Size | PDF / 599 Kb |
| Document Language | English |
Typical perForMance characTerisTics VIN = 3.3V, RT/SYNC = SVIN, unless otherwise noted. No Load Supply Current
Model Line for this Datasheet
- LTC3615EFE#PBF LTC3615EFE#TRPBF LTC3615EFE-1#PBF LTC3615EFE-1#TRPBF LTC3615EUF#PBF LTC3615EUF#TRPBF LTC3615EUF-1#PBF LTC3615EUF-1#TRPBF LTC3615HFE#PBF LTC3615HFE#TRPBF LTC3615HFE-1#PBF LTC3615HFE-1#TRPBF LTC3615HUF#PBF LTC3615HUF#TRPBF LTC3615HUF-1#PBF LTC3615HUF-1#TRPBF LTC3615IFE#PBF LTC3615IFE#TRPBF LTC3615IFE-1#PBF LTC3615IFE-1#TRPBF LTC3615IUF#PBF LTC3615IUF#TRPBF LTC3615IUF-1#PBF LTC3615IUF-1#TRPBF LTC3615MPFE#PBF LTC3615MPFE#TRPBF LTC3615MPFE-1#PBF LTC3615MPFE-1#TRPBF LTC3615MPUF#PBF LTC3615MPUF#TRPBF LTC3615MPUF-1#PBF LTC3615MPUF-1#TRPBF
Text Version of Document
LTC3615/LTC3615-1
Typical perForMance characTerisTics VIN = 3.3V, RT/SYNC = SVIN, unless otherwise noted. No Load Supply Current No Load Supply Current Switch Leakage vs Temperature vs Input Voltage vs Temperature
4.0 180 180 MODE = 0V 160 RUNx = ITHx = SV 3.5 IN 160 140 140 3.0 120 120 2.5 SYNCHRONOUS SWITCH 100 100 2.0 80 80 1.5 60 60 SWITCH LEAKAGE (µA) 1.0 SUPPLY CURRENT (µA) SUPPLY CURRENT (µA) 40 40 0.5 20 20 MODE = 0V MAIN SWITCH RUNx = ITHx = SVIN 0 0 0 –60 –25 10 45 80 115 150 2.25 2.75 3.25 3.75 4.25 4.75 5.25 –60 –25 10 45 80 115 150 TEMPERATURE (°C) VIN (V) TEMPERATURE (°C) 3615 G25 3615 G26 3615 G27
Slew Rate of Falling Edge at Slew Rate of Rising Edge at SW1/2 vs SRLIM Resistor SW1/2 vs SRLIM Resistor Sinking Current
VIN = 3.3V VIN = 3.3V VOUT VOUT = 1.8V VOUT = 1.8V 20mV/DIV IOUT = 1A SRLIM = IOUT = 1A SRLIM = SGND OR SVIN SGND OR SVIN SW 2V/DIV 40.2k 100k 40.2k 1V/DIV OPEN 1V/DIV 100k IL OPEN 500mA/DIV 1µs/DIV 3615 G30 VOUT = 1.2V IOUT = –1A VMODE = 1.5V 2ns/DIV 3615 G28 2ns/DIV 3615 G29
Tracking Up/Down in Tracking Up/Down in Forced Continuous Mode, Forced Continuous Mode, SRLIM Pin Tied to 0V SRLIM Pin Tied to SVIN
V V OUT1 OUT1 1V/DIV 500mV/DIV V V TRACK/SS TRACK/SS 500mV/DIV 200mV/DIV PGOOD PGOOD 2V/DIV 2V/DIV 2ms/DIV 3615 G31 2ms/DIV 3615 G32 VOUT = 0V TO 1.8V VOUT = 0V TO 1.2V IOUT = 3A IOUT = 3A VTRACK/SS = 0V TO 0.7V VTRACK/SS = 0V TO 0.4V VMODE = 1.5V VMODE = 1.5V VSRLIM = 0V VSRLIM = 3.3V 3615fb 8 For more information www.linear.com/LTC3615 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics VIN = 3.3V, RT/SYNC = SVIN, unless otherwise noted. No Load Supply Current No Load Supply Current Switch Leakage vs Temperature vs Input Voltage vs Temperature
4.0 180 180 MODE = 0V 160 RUNx = ITHx = SV 3.5 IN 160 140 140 3.0 120 120 2.5 SYNCHRONOUS SWITCH 100 100 2.0 80 80 1.5 60 60 SWITCH LEAKAGE (µA) 1.0 SUPPLY CURRENT (µA) SUPPLY CURRENT (µA) 40 40 0.5 20 20 MODE = 0V MAIN SWITCH RUNx = ITHx = SVIN 0 0 0 –60 –25 10 45 80 115 150 2.25 2.75 3.25 3.75 4.25 4.75 5.25 –60 –25 10 45 80 115 150 TEMPERATURE (°C) VIN (V) TEMPERATURE (°C) 3615 G25 3615 G26 3615 G27
Slew Rate of Falling Edge at Slew Rate of Rising Edge at SW1/2 vs SRLIM Resistor SW1/2 vs SRLIM Resistor Sinking Current
VIN = 3.3V VIN = 3.3V VOUT VOUT = 1.8V VOUT = 1.8V 20mV/DIV IOUT = 1A SRLIM = IOUT = 1A SRLIM = SGND OR SVIN SGND OR SVIN SW 2V/DIV 40.2k 100k 40.2k 1V/DIV OPEN 1V/DIV 100k IL OPEN 500mA/DIV 1µs/DIV 3615 G30 VOUT = 1.2V IOUT = –1A VMODE = 1.5V 2ns/DIV 3615 G28 2ns/DIV 3615 G29
Tracking Up/Down in Tracking Up/Down in Forced Continuous Mode, Forced Continuous Mode, SRLIM Pin Tied to 0V SRLIM Pin Tied to SVIN
V V OUT1 OUT1 1V/DIV 500mV/DIV V V TRACK/SS TRACK/SS 500mV/DIV 200mV/DIV PGOOD PGOOD 2V/DIV 2V/DIV 2ms/DIV 3615 G31 2ms/DIV 3615 G32 VOUT = 0V TO 1.8V VOUT = 0V TO 1.2V IOUT = 3A IOUT = 3A VTRACK/SS = 0V TO 0.7V VTRACK/SS = 0V TO 0.4V VMODE = 1.5V VMODE = 1.5V VSRLIM = 0V VSRLIM = 3.3V 3615fb 8 For more information www.linear.com/LTC3615 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
