Datasheet LT1683 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | Slew Rate Controlled Ultralow Noise Push-Pull DC/DC Controller |
| Pages / Page | 26 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| File Format / Size | PDF / 419 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
LT1683
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Supply Voltage (V TOP VIEW IN) ...20V Gate Drive Current ...Internal Limit GATE A 1 20 PGND V5 Current ..Internal Limit CAP A 2 19 GATE B SHDN Pin Voltage ...20V GCL 3 18 CAP B Feedback Pin Voltage (Trans. 10ms) .. ±10V CS 4 17 VIN Feedback Pin Current ..10mA V5 5 16 RVSL SYNC 6 15 R Negative Feedback Pin Voltage (Trans. 10ms) ... ±10V CSL C 7 14 SHDN CS Pin ...5V T R 8 13 T SS GCL Pin ...16V FB 9 12 VC SS Pin ...3V NFB 10 11 GND Operating Junction Temperature Range G PACKAGE (Note 3) ..–40°C to 125°C 20-LEAD PLASTIC SSOP Storage Temperature Range ...–65°C to 150°C TJMAX = 150°C, θJA = 110°C/ W Lead Temperature (Soldering, 10 sec) .. 300°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1683EG#PBF LT1683EG#TRPBF 1683 20-Lead Plastic SSOP –40°C to 125°C LT1683IG#PBF LT1683IG#TRPBF 1683 20-Lead Plastic SSOP –40°C to 125°C
LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1683EG LT1683EG#TR 1683 20-Lead Plastic SSOP –40°C to 125°C LT1683IG LT1683IG#TR 1683 20-Lead Plastic SSOP –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ This product is only offered in trays. For more information go to: http://www.linear.com/packaging/
ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, VC = 0.9V, VFB = VREF, RVSL, RCSL = 16.9k, RT = 16.9k and other pins open unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Error Amplifiers
VREF Reference Voltage Measured at Feedback Pin l 1.235 1.250 1.265 V IFB Feedback Input Current VFB = VREF l 250 1000 nA FBREG Reference Voltage Line Regulation 2.7V ≤ VIN ≤ 20V l 0.012 0.03 %/V VNFR Negative Feedback Reference Voltage Measured at Negative Feedback Pin l –2.56 –2.500 –2.45 V with Feedback Pin Open INFR Negative Feedback Input Current VNFB = VNFR –37 –25 µA NFBREG Negative Feedback Reference Voltage Line Regulation 2.7V ≤ VIN ≤ 20V l 0.009 0.03 %/V gm Error Amplifier Transconductance ∆IC = ±50µA 1100 1500 2200 µmho l 700 2500 µmho 1683fd 2 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Test Circuits Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Supply Voltage (V TOP VIEW IN) ...20V Gate Drive Current ...Internal Limit GATE A 1 20 PGND V5 Current ..Internal Limit CAP A 2 19 GATE B SHDN Pin Voltage ...20V GCL 3 18 CAP B Feedback Pin Voltage (Trans. 10ms) .. ±10V CS 4 17 VIN Feedback Pin Current ..10mA V5 5 16 RVSL SYNC 6 15 R Negative Feedback Pin Voltage (Trans. 10ms) ... ±10V CSL C 7 14 SHDN CS Pin ...5V T R 8 13 T SS GCL Pin ...16V FB 9 12 VC SS Pin ...3V NFB 10 11 GND Operating Junction Temperature Range G PACKAGE (Note 3) ..–40°C to 125°C 20-LEAD PLASTIC SSOP Storage Temperature Range ...–65°C to 150°C TJMAX = 150°C, θJA = 110°C/ W Lead Temperature (Soldering, 10 sec) .. 300°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1683EG#PBF LT1683EG#TRPBF 1683 20-Lead Plastic SSOP –40°C to 125°C LT1683IG#PBF LT1683IG#TRPBF 1683 20-Lead Plastic SSOP –40°C to 125°C
LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1683EG LT1683EG#TR 1683 20-Lead Plastic SSOP –40°C to 125°C LT1683IG LT1683IG#TR 1683 20-Lead Plastic SSOP –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ This product is only offered in trays. For more information go to: http://www.linear.com/packaging/
ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, VC = 0.9V, VFB = VREF, RVSL, RCSL = 16.9k, RT = 16.9k and other pins open unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Error Amplifiers
VREF Reference Voltage Measured at Feedback Pin l 1.235 1.250 1.265 V IFB Feedback Input Current VFB = VREF l 250 1000 nA FBREG Reference Voltage Line Regulation 2.7V ≤ VIN ≤ 20V l 0.012 0.03 %/V VNFR Negative Feedback Reference Voltage Measured at Negative Feedback Pin l –2.56 –2.500 –2.45 V with Feedback Pin Open INFR Negative Feedback Input Current VNFB = VNFR –37 –25 µA NFBREG Negative Feedback Reference Voltage Line Regulation 2.7V ≤ VIN ≤ 20V l 0.009 0.03 %/V gm Error Amplifier Transconductance ∆IC = ±50µA 1100 1500 2200 µmho l 700 2500 µmho 1683fd 2 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Test Circuits Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
