Datasheet LT3495, LT3495B, LT3495-1, LT3495B-1 (Analog Devices) - 2

LT3495/LT3495B/ LT3495-1/LT3495B-1
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
V TOP VIEW CC Voltage ...16V SW Voltage ...40V GND 1 10 SW CAP Voltage ..40V GND 2 9 CAP V V 3 11 CC 8 CAP OUT Voltage ...40V SHDN Voltage ...10V CTRL 4 7 VOUT SHDN 5 6 FB CTRL Voltage ..10V FB Voltage ..2.5V DDB PACKAGE 10-LEAD (3mm × 2mm) PLASTIC DFN Maximum Junction Temperature... 125°C TJMAX = 125°C, θJA = 76°C/W Operating Temperature Range (Note 2).. –40°C to 125°C EXPOSED PAD (PIN 11) 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
LT3495EDDB#PBF LT3495EDDB#TRPBF LDSS 10-Lead (3mm × 2mm) Plastic DFN –40°C to 125°C LT3495EDDB-1#PBF LT3495EDDB-1#TRPBF LDSV 10-Lead (3mm × 2mm) Plastic DFN –40°C to 125°C LT3495BEDDB#PBF LT3495BEDDB#TRPBF LDST 10-Lead (3mm × 2mm) Plastic DFN –40°C to 125°C LT3495BEDDB-1#PBF LT3495BEDDB-1#TRPBF LDSW 10-Lead (3mm × 2mm) Plastic DFN –40°C to 125°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 The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 3V, VSHDN = VCC, unless otherwise noted. (Note 2) PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Operating Voltage 2.2 2.5 V Maximum Operating Voltage 16 V FB Voltage VCTRL = 3V, (Note 3) l 1.220 1.235 1.255 V FB Voltage Line Regulation 0.03 %/V FB Resistor FB Voltage = 1.235V l 74.7 76 77 kΩ Quiescent Current Not Switching 60 70 µA Quiescent Current in Shutdown VSHDN = 0V, VCC = 3V 0 1 µA Minimum Switch-Off Time After Start-Up (Note 4) 200 ns During Start-Up (Note 4) 500 ns Maximum Switch-Off Time LT3495/LT3495-1, VFB = 1.5V l 17 26 35 µs Maximum Switch-On Time 10 µs Switch Current Limit LT3495/LT3495B l 550 650 780 mA 3495b1b1fa 2 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Infomation Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts