Datasheet LTC3535 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | Dual Channel 550mA 1MHz Synchronous Step-Up DC/DC Converter |
| Pages / Page | 16 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| File Format / Size | PDF / 1.2 Mb |
| 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
LTC3535
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
V TOP VIEW IN1, VIN2 Voltage ... –0.3V to 6V SW1, SW2 Voltage V 1 OUT1 12 FB1 DC .. –0.3V to 6V SW1 2 11 SHDN1 GND 3 13 10 V Pulsed <100ns ... –0.3V to 7V IN1 V 4 OUT2 9 FB2 SHDN1, SHDN2, FB1, FB2 Voltage ... –0.3V to 6V SW2 5 8 SHDN2 V GND 6 7 V OUT1, VOUT2 .. –0.3V to 6V IN2 Operating Temperature Range DD PACKAGE 12-LEAD (3mm × 3mm) PLASTIC DFN (Notes 2, 5) .. –40°C to 85°C θJA = 43°C/W, θJC(PAD) = 3°C/W, Junction Temperature ... 125°C EXPOSED PAD (PIN 13) IS GND, 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
LTC3535EDD#PBF LTC3535EDD#TRPBF LDWV 12-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. 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 (For each channel) The
l
denotes the specifications which apply over the specified operating temperature range of –40°C to 85°C, otherwise specifications are at TA = 25°C. VIN = 1.2V, VOUT = 3.3V unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Start-Up Input Voltage ILOAD = 1mA 0.68 0.8 V Input Voltage Range After Start-Up. (Minimum Voltage is Load Dependent) l 0.5 5 V Output Voltage Adjust Range l 1.5 5.25 V Feedback Pin Voltage l 1.165 1.195 1.225 V Feedback Pin Input Current VFB = 1.30V 1 50 nA Quiescent Current—Shutdown VSHDN= 0V, Not Including Switch Leakage, VOUT = 0V 0.01 1 µA Quiescent Current—Active Measured on VOUT, Non-Switching 250 500 µA Quiescent Current—Burst Measured on VOUT, FB > 1.230V 9 18 µA N-Channel MOSFET Switch Leakage Current VSW = 5V 0.1 5 µA P-Channel MOSFET Switch Leakage Current VSW = 5V, VOUT = 0V 0.1 10 µA N-Channel MOSFET Switch On Resistance VOUT = 3.3V 0.4 Ω P-Channel MOSFET Switch On Resistance VOUT = 3.3V 0.6 Ω N-Channel MOSFET Current Limit l 550 750 mA Current Limit Delay to Output (Note 3) 60 ns Maximum Duty Cycle VFB = 1.15V l 87 90 % 3535fa 2 Document Outline Features Description Applcations Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Application Package Description Revision History Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
V TOP VIEW IN1, VIN2 Voltage ... –0.3V to 6V SW1, SW2 Voltage V 1 OUT1 12 FB1 DC .. –0.3V to 6V SW1 2 11 SHDN1 GND 3 13 10 V Pulsed <100ns ... –0.3V to 7V IN1 V 4 OUT2 9 FB2 SHDN1, SHDN2, FB1, FB2 Voltage ... –0.3V to 6V SW2 5 8 SHDN2 V GND 6 7 V OUT1, VOUT2 .. –0.3V to 6V IN2 Operating Temperature Range DD PACKAGE 12-LEAD (3mm × 3mm) PLASTIC DFN (Notes 2, 5) .. –40°C to 85°C θJA = 43°C/W, θJC(PAD) = 3°C/W, Junction Temperature ... 125°C EXPOSED PAD (PIN 13) IS GND, 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
LTC3535EDD#PBF LTC3535EDD#TRPBF LDWV 12-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. 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 (For each channel) The
l
denotes the specifications which apply over the specified operating temperature range of –40°C to 85°C, otherwise specifications are at TA = 25°C. VIN = 1.2V, VOUT = 3.3V unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Start-Up Input Voltage ILOAD = 1mA 0.68 0.8 V Input Voltage Range After Start-Up. (Minimum Voltage is Load Dependent) l 0.5 5 V Output Voltage Adjust Range l 1.5 5.25 V Feedback Pin Voltage l 1.165 1.195 1.225 V Feedback Pin Input Current VFB = 1.30V 1 50 nA Quiescent Current—Shutdown VSHDN= 0V, Not Including Switch Leakage, VOUT = 0V 0.01 1 µA Quiescent Current—Active Measured on VOUT, Non-Switching 250 500 µA Quiescent Current—Burst Measured on VOUT, FB > 1.230V 9 18 µA N-Channel MOSFET Switch Leakage Current VSW = 5V 0.1 5 µA P-Channel MOSFET Switch Leakage Current VSW = 5V, VOUT = 0V 0.1 10 µA N-Channel MOSFET Switch On Resistance VOUT = 3.3V 0.4 Ω P-Channel MOSFET Switch On Resistance VOUT = 3.3V 0.6 Ω N-Channel MOSFET Current Limit l 550 750 mA Current Limit Delay to Output (Note 3) 60 ns Maximum Duty Cycle VFB = 1.15V l 87 90 % 3535fa 2 Document Outline Features Description Applcations Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Application Package Description Revision History Typical Application Related Parts
