Datasheet LT3682 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 1A Micropower Step-Down Switching Regulator |
| Pages / Page | 24 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. … |
| File Format / Size | PDF / 265 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
LT3682
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
V TOP VIEW IN, RUN/SS Voltage (Note 2) …….……………. ..60V BOOST Pin Voltage …………………………..……. 50V V 1 C 12 VIN FB 2 11 SYNC BOOST Pin Above SW Pin …………………..…… ..30V PG 3 10 RT FB, R 13 T, VC Voltage ..5V GND 4 9 RUN/SS SYNC …………………………….………….……. 20V BD 5 8 SW BD and PG Voltage ..…….………………..……….. 30V BOOST 6 7 DA Operating Junction Temperature Range (Notes 3 and 6) DD PACKAGE 12-LEAD (3mm s 3mm) PLASTIC DFN LT3682E ……………….………….. −40°C to 125°C θJA = 43°C/W LT3682I ……………………………. −40°C to 125°C EXPOSED PAD (PIN 13) IS PGND, MUST BE SOLDERED TO PCB Storage Temperature Range ………….. −65°C to 150°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3682EDD#PBF LT3682EDD#TRPBF LFDW 12-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LT3682IDD#PBF LT3682IDD#TRPBF LFDW 12-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container. 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
l
denotes specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C, VIN = 10V, VRUN/SS = 10V, VBD = 3.3V unless otherwise noted. (Note 3) PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Operating Voltage VBD = 3.3V l 3.4 3.6 V VBD < 3.0V l 3.4 4.3 V VIN Overvoltage Lockout l 36 39 41 V Quiescent Current from VIN VRUN/SS = 0.2V 0.01 0.5 μA VRUN/SS = 10V, VBD = 3.3V, Not Switching l 35 60 μA VRUN/SS = 10V, VBD = 0V, Not Switching 90 160 μA Quiescent Current from BD Pin VRUN/SS = 0.2V 0.01 0.5 μA VRUN/SS = 10V, VBD = 3.3V, Not Switching l 55 100 μA VRUN/SS = 10V, VBD = 0V, Not Switching 0 5 μA Minimum BD Pin Voltage 2.8 3 V Feedback Voltage 792 800 808 mV l 780 800 812 mV FB Pin Bias Current (Note 4) FB Pin Voltage = 800mV l 5 80 nA FB Voltage Line Regulation 3.6V < VIN < 36V 0.001 0.005 %/V Error Amp gm IVC = ±1.5μA 430 μS Error Amp Voltage Gain 1300 V/V 3682f 2
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
V TOP VIEW IN, RUN/SS Voltage (Note 2) …….……………. ..60V BOOST Pin Voltage …………………………..……. 50V V 1 C 12 VIN FB 2 11 SYNC BOOST Pin Above SW Pin …………………..…… ..30V PG 3 10 RT FB, R 13 T, VC Voltage ..5V GND 4 9 RUN/SS SYNC …………………………….………….……. 20V BD 5 8 SW BD and PG Voltage ..…….………………..……….. 30V BOOST 6 7 DA Operating Junction Temperature Range (Notes 3 and 6) DD PACKAGE 12-LEAD (3mm s 3mm) PLASTIC DFN LT3682E ……………….………….. −40°C to 125°C θJA = 43°C/W LT3682I ……………………………. −40°C to 125°C EXPOSED PAD (PIN 13) IS PGND, MUST BE SOLDERED TO PCB Storage Temperature Range ………….. −65°C to 150°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3682EDD#PBF LT3682EDD#TRPBF LFDW 12-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LT3682IDD#PBF LT3682IDD#TRPBF LFDW 12-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container. 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
l
denotes specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C, VIN = 10V, VRUN/SS = 10V, VBD = 3.3V unless otherwise noted. (Note 3) PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Operating Voltage VBD = 3.3V l 3.4 3.6 V VBD < 3.0V l 3.4 4.3 V VIN Overvoltage Lockout l 36 39 41 V Quiescent Current from VIN VRUN/SS = 0.2V 0.01 0.5 μA VRUN/SS = 10V, VBD = 3.3V, Not Switching l 35 60 μA VRUN/SS = 10V, VBD = 0V, Not Switching 90 160 μA Quiescent Current from BD Pin VRUN/SS = 0.2V 0.01 0.5 μA VRUN/SS = 10V, VBD = 3.3V, Not Switching l 55 100 μA VRUN/SS = 10V, VBD = 0V, Not Switching 0 5 μA Minimum BD Pin Voltage 2.8 3 V Feedback Voltage 792 800 808 mV l 780 800 812 mV FB Pin Bias Current (Note 4) FB Pin Voltage = 800mV l 5 80 nA FB Voltage Line Regulation 3.6V < VIN < 36V 0.001 0.005 %/V Error Amp gm IVC = ±1.5μA 430 μS Error Amp Voltage Gain 1300 V/V 3682f 2
