Datasheet LT3685 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 36V, 2A, 2.4MHz Step-Down Switching Regulator |
| Pages / Page | 24 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION. … |
| File Format / Size | PDF / 282 Kb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING
Model Line for this Datasheet
Text Version of Document
LT3685
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN, RUN/SS Voltage (Note 5) ...60V Operating Junction Temperature Range (Note 2) BOOST Pin Voltage ...56V LT3685E ... –40°C to 125°C BOOST Pin Above SW Pin ...30V LT3685I .. –40°C to 125°C FB, RT, VC Voltage ...5V Storage Temperature Range ... –65°C to 150°C PG, BD, SYNC Voltage ..30V Lead Temperature (Soldering, 10 sec) (MSE Only) ... 300°C
PIN CONFIGURATION
TOP VIEW TOP VIEW BD 1 10 RT BD 1 10 RT BOOST 2 9 VC BOOST 2 9 VC SW 3 11 8 FB SW 3 11 8 FB V 4 7 PG V 4 7 PG IN IN RUN/SS 5 6 SYNC RUN/SS 5 6 SYNC MSE PACKAGE 10-LEAD PLASTIC MSOP DD PACKAGE 10-LEAD (3mm s 3mm) PLASTIC DFN JA = 45°C/W, JC = 10°C/W EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB JA = 45°C/W, JC = 10°C/W EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3685EDD#PBF LT3685EDD#TRPBF LCYG 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LT3685IDD#PBF LT3685IDD#TRPBF LCYG 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LT3685EMSE#PBF LT3685EMSE#TRPBF LTCYF 10-Lead Plastic MSOP –40°C to 125°C LT3685IMSE#PBF LT3685IMSE#TRPBF LTCYF 10-Lead Plastic MSOP –40°C to 125°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based fi nish parts. *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
●
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 10V, VRUN/SS = 10V, VBOOST = 15V, VBD = 3.3V unless otherwise noted. (Note 2) PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage ● 3 3.6 V VIN Overvoltage Lockout ● 36 38 40 V Quiescent Current from VIN VRUN/SS = 0.2V 0.01 0.5 μA VBD = 3V, Not Switching ● 450 600 μA VBD = 0, Not Switching 1.3 1.7 mA 3685fb 2
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN, RUN/SS Voltage (Note 5) ...60V Operating Junction Temperature Range (Note 2) BOOST Pin Voltage ...56V LT3685E ... –40°C to 125°C BOOST Pin Above SW Pin ...30V LT3685I .. –40°C to 125°C FB, RT, VC Voltage ...5V Storage Temperature Range ... –65°C to 150°C PG, BD, SYNC Voltage ..30V Lead Temperature (Soldering, 10 sec) (MSE Only) ... 300°C
PIN CONFIGURATION
TOP VIEW TOP VIEW BD 1 10 RT BD 1 10 RT BOOST 2 9 VC BOOST 2 9 VC SW 3 11 8 FB SW 3 11 8 FB V 4 7 PG V 4 7 PG IN IN RUN/SS 5 6 SYNC RUN/SS 5 6 SYNC MSE PACKAGE 10-LEAD PLASTIC MSOP DD PACKAGE 10-LEAD (3mm s 3mm) PLASTIC DFN JA = 45°C/W, JC = 10°C/W EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB JA = 45°C/W, JC = 10°C/W EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3685EDD#PBF LT3685EDD#TRPBF LCYG 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LT3685IDD#PBF LT3685IDD#TRPBF LCYG 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LT3685EMSE#PBF LT3685EMSE#TRPBF LTCYF 10-Lead Plastic MSOP –40°C to 125°C LT3685IMSE#PBF LT3685IMSE#TRPBF LTCYF 10-Lead Plastic MSOP –40°C to 125°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based fi nish parts. *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
●
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 10V, VRUN/SS = 10V, VBOOST = 15V, VBD = 3.3V unless otherwise noted. (Note 2) PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage ● 3 3.6 V VIN Overvoltage Lockout ● 36 38 40 V Quiescent Current from VIN VRUN/SS = 0.2V 0.01 0.5 μA VBD = 3V, Not Switching ● 450 600 μA VBD = 0, Not Switching 1.3 1.7 mA 3685fb 2
