Datasheet LT3667 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | 40V 400mA Step-Down Switching Regulator with Dual Fault Protected LDOs |
| Pages / Page | 34 / 3 — ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING. PACKAGE … |
| File Format / Size | PDF / 446 Kb |
| Document Language | English |
ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING. PACKAGE DESCRIPTION. TEMPERATURE RANGE. ELECTRICAL
Model Line for this Datasheet
Text Version of Document
LT3667
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3667EMSE#PBF LT3667EMSE#TRPBF 3667 16-Lead Plastic MSOP –40°C to 125°C LT3667IMSE#PBF LT3667IMSE#TRPBF 3667 16-Lead Plastic MSOP –40°C to 125°C LT3667HMSE#PBF LT3667HMSE#TRPBF 3667 16-Lead Plastic MSOP –40°C to 150°C LT3667EUDD#PBF LT3667EUDD#TRPBF LGFH 24-Lead (3mm × 5mm) Plastic QFN –40°C to 125°C LT3667IUDD#PBF LT3667IUDD#TRPBF LGFH 24-Lead (3mm × 5mm) Plastic QFN –40°C to 125°C LT3667HUDD#PBF LT3667HUDD#TRPBF LGFH 24-Lead (3mm × 5mm) Plastic QFN –40°C to 150°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN1 = 12V unless otherwise noted. (Note 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN1 Undervoltage Lockout (Note 6) VIN2 = 0V, VIN3 = 0V l 4 4.3 V VIN1 Overvoltage Lockout l 40 42 44 V VIN2 Undervoltage Lockout (Note 6) VIN1 = 3.5V, VIN3 = 0V l 4 4.3 V UVLO1 Threshold Voltage Pin Voltage Falling l 0.95 1 1.05 V UVLO1 Pin Hysteresis 75 mV UVLO1 Pin Current VUVLO1 = 1V 1 30 nA Quiescent Current from IN1 VEN = 0.3V 0.01 1 µA VEN = 12V, VIN2 = 0V, Not Switching l 13 30 µA Quiescent Current from IN2 VEN = 0.3V 0.01 1 µA VEN = 12V, VIN1 = 0V, VIN2 = 5V l 38 80 µA Quiescent Current from IN1 + IN2 VEN = 0.3V, VIN2 = 5V 0.01 1 µA VEN = 12V, VIN2 = 5V, Not Switching l 40 90 µA Quiescent Current from IN3 VEN = 0.3V, VIN3 = 5V 0.01 1 µA VEN = 12V, VIN3 = 5V l 25 60 µA EN Pin Current VEN = 12V 0.6 2 µA EN Input Threshold 0.3 1.1 V
Power Good Pins PG (MSOP), PG1, PG2, PG3 (QFN)
Leakage Current VPG = 5V, VPG1/2/3 = 5V 0.1 1 µA Output Voltage Low IPG = 40µA, IPG1/2/3 = 40µA l 0.2 0.3 V Threshold as % of VFB (FB1, FB2, FB3) Pin Voltage Falling 88 90 92 % Pin Voltage Rising 108 110 112 % PG1 Threshold Hysteresis Measured at FB1 Pin 30 mV PG2/PG3 Threshold Hysteresis Measured at FB2/FB3 Pin 20 mV 3667fb For more information www.linear.com/LT3667 3 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Order Information Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Revision History Typical Application Related Parts
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3667EMSE#PBF LT3667EMSE#TRPBF 3667 16-Lead Plastic MSOP –40°C to 125°C LT3667IMSE#PBF LT3667IMSE#TRPBF 3667 16-Lead Plastic MSOP –40°C to 125°C LT3667HMSE#PBF LT3667HMSE#TRPBF 3667 16-Lead Plastic MSOP –40°C to 150°C LT3667EUDD#PBF LT3667EUDD#TRPBF LGFH 24-Lead (3mm × 5mm) Plastic QFN –40°C to 125°C LT3667IUDD#PBF LT3667IUDD#TRPBF LGFH 24-Lead (3mm × 5mm) Plastic QFN –40°C to 125°C LT3667HUDD#PBF LT3667HUDD#TRPBF LGFH 24-Lead (3mm × 5mm) Plastic QFN –40°C to 150°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN1 = 12V unless otherwise noted. (Note 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN1 Undervoltage Lockout (Note 6) VIN2 = 0V, VIN3 = 0V l 4 4.3 V VIN1 Overvoltage Lockout l 40 42 44 V VIN2 Undervoltage Lockout (Note 6) VIN1 = 3.5V, VIN3 = 0V l 4 4.3 V UVLO1 Threshold Voltage Pin Voltage Falling l 0.95 1 1.05 V UVLO1 Pin Hysteresis 75 mV UVLO1 Pin Current VUVLO1 = 1V 1 30 nA Quiescent Current from IN1 VEN = 0.3V 0.01 1 µA VEN = 12V, VIN2 = 0V, Not Switching l 13 30 µA Quiescent Current from IN2 VEN = 0.3V 0.01 1 µA VEN = 12V, VIN1 = 0V, VIN2 = 5V l 38 80 µA Quiescent Current from IN1 + IN2 VEN = 0.3V, VIN2 = 5V 0.01 1 µA VEN = 12V, VIN2 = 5V, Not Switching l 40 90 µA Quiescent Current from IN3 VEN = 0.3V, VIN3 = 5V 0.01 1 µA VEN = 12V, VIN3 = 5V l 25 60 µA EN Pin Current VEN = 12V 0.6 2 µA EN Input Threshold 0.3 1.1 V
Power Good Pins PG (MSOP), PG1, PG2, PG3 (QFN)
Leakage Current VPG = 5V, VPG1/2/3 = 5V 0.1 1 µA Output Voltage Low IPG = 40µA, IPG1/2/3 = 40µA l 0.2 0.3 V Threshold as % of VFB (FB1, FB2, FB3) Pin Voltage Falling 88 90 92 % Pin Voltage Rising 108 110 112 % PG1 Threshold Hysteresis Measured at FB1 Pin 30 mV PG2/PG3 Threshold Hysteresis Measured at FB2/FB3 Pin 20 mV 3667fb For more information www.linear.com/LT3667 3 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Order Information Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Revision History Typical Application Related Parts
