Datasheet LTC3707 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator |
| Pages / Page | 32 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. … |
| File Format / Size | PDF / 398 Kb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING
Model Line for this Datasheet
Text Version of Document
LTC3707
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage (V TOP VIEW IN) ... 30V to – 0.3V Top Side Driver Voltages RUN/SS1 1 28 PGOOD (BOOST1, BOOST2) ... 36V to –0.3V SENSE1+ 2 27 TG1 SENSE1– 3 SW1 Switch Voltage (SW1, SW2) ... 30V to –5V 26 V 4 25 BOOST1 INTV OSENSE1 CC, EXTVCC, RUN/SS1, RUN/SS2, (BOOST1-SW1), FREQSET 5 24 VIN (BOOST2-SW2), PGOOD .. 7V to –0.3V STBYMD 6 23 BG1 SENSE1+, SENSE2+, SENSE1–, FCB 7 22 EXTVCC SENSE2– Voltages ...(1.1)INTVCC to –0.3V I 8 21 TH1 INTVCC FREQSET, STBYMD, FCB Voltage ... INTVCC to –0.3V SGND 9 20 PGND ITH1, ITH2, VOSENSE1, VOSENSE2 Voltages ... 2.7V to –0.3V 3.3V 10 19 OUT BG2 Peak Output Current <10μs (TG1, TG2, BG1, BG2) ...3A I 11 18 TH2 BOOST2 INTVCC Peak Output Current ... 40mA V 12 17 OSENSE2 SW2 Operating Temperature Range (Note 2).. –40°C to 85°C SENSE2– 13 16 TG2 Junction Temperature (Note 3) ... 125°C SENSE2+ 14 15 RUN/SS2 Storage Temperature Range ... –65°C to 150°C GN PACKAGE Lead Temperature (Soldering, 10 sec) .. 300°C 28-LEAD PLASTIC SSOP TJMAX = 125°C, θJA = 95°C/W
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3707EGN#PBF LTC3707EGN#TRPBF 3707EGN 28-Lead Plastic SSOP –40°C to 85°C LTC3707IGN#PBF LTC3707IGN#TRPBF 3707IGN 28-Lead Plastic SSOP –40°C to 85°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3707EGN LTC3707EGN#TR 3707EGN 28-Lead Plastic SSOP –40°C to 85°C LTC3707IGN LTC3707IGN#TR 3707IGN 28-Lead Plastic SSOP –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 15V, VRUN/SS1, 2 = 5V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VOSENSE1, 2 Regulated Feedback Voltage (Note 4); ITH1, 2 Voltage = 1.2V l 0.788 0.800 0.812 V IOSENSE1, 2 Feedback Current (Note 4) –5 –50 nA VREFLNREG Reference Voltage Line Regulation VIN = 3.6V to 30V (Note 4) 0.002 0.02 %/V VLOADREG Output Voltage Load Regulation (Note 4) Measured in Servo Loop; ΔITH Voltage = 1.2V to 0.7V l 0.1 0.5 % Measured in Servo Loop; ΔITH Voltage = 1.2V to 2.0V l –0.1 –0.5 % gm1,2 Transconductance Amplifi er gm ITH1, 2 = 1.2V; Sink/Source 5μA; (Note 4) 1.3 mmho 3707fb 2
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage (V TOP VIEW IN) ... 30V to – 0.3V Top Side Driver Voltages RUN/SS1 1 28 PGOOD (BOOST1, BOOST2) ... 36V to –0.3V SENSE1+ 2 27 TG1 SENSE1– 3 SW1 Switch Voltage (SW1, SW2) ... 30V to –5V 26 V 4 25 BOOST1 INTV OSENSE1 CC, EXTVCC, RUN/SS1, RUN/SS2, (BOOST1-SW1), FREQSET 5 24 VIN (BOOST2-SW2), PGOOD .. 7V to –0.3V STBYMD 6 23 BG1 SENSE1+, SENSE2+, SENSE1–, FCB 7 22 EXTVCC SENSE2– Voltages ...(1.1)INTVCC to –0.3V I 8 21 TH1 INTVCC FREQSET, STBYMD, FCB Voltage ... INTVCC to –0.3V SGND 9 20 PGND ITH1, ITH2, VOSENSE1, VOSENSE2 Voltages ... 2.7V to –0.3V 3.3V 10 19 OUT BG2 Peak Output Current <10μs (TG1, TG2, BG1, BG2) ...3A I 11 18 TH2 BOOST2 INTVCC Peak Output Current ... 40mA V 12 17 OSENSE2 SW2 Operating Temperature Range (Note 2).. –40°C to 85°C SENSE2– 13 16 TG2 Junction Temperature (Note 3) ... 125°C SENSE2+ 14 15 RUN/SS2 Storage Temperature Range ... –65°C to 150°C GN PACKAGE Lead Temperature (Soldering, 10 sec) .. 300°C 28-LEAD PLASTIC SSOP TJMAX = 125°C, θJA = 95°C/W
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3707EGN#PBF LTC3707EGN#TRPBF 3707EGN 28-Lead Plastic SSOP –40°C to 85°C LTC3707IGN#PBF LTC3707IGN#TRPBF 3707IGN 28-Lead Plastic SSOP –40°C to 85°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3707EGN LTC3707EGN#TR 3707EGN 28-Lead Plastic SSOP –40°C to 85°C LTC3707IGN LTC3707IGN#TR 3707IGN 28-Lead Plastic SSOP –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 15V, VRUN/SS1, 2 = 5V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VOSENSE1, 2 Regulated Feedback Voltage (Note 4); ITH1, 2 Voltage = 1.2V l 0.788 0.800 0.812 V IOSENSE1, 2 Feedback Current (Note 4) –5 –50 nA VREFLNREG Reference Voltage Line Regulation VIN = 3.6V to 30V (Note 4) 0.002 0.02 %/V VLOADREG Output Voltage Load Regulation (Note 4) Measured in Servo Loop; ΔITH Voltage = 1.2V to 0.7V l 0.1 0.5 % Measured in Servo Loop; ΔITH Voltage = 1.2V to 2.0V l –0.1 –0.5 % gm1,2 Transconductance Amplifi er gm ITH1, 2 = 1.2V; Sink/Source 5μA; (Note 4) 1.3 mmho 3707fb 2
