Datasheet LT3653 (Analog Devices) - 2

LT3653
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Voltage (V TOP VIEW IN) (Note 3) ..60V Boost Pin Voltage (BOOST) ...50V V 1 8 SW IN Boost Pin Above SW Pin ...25V HVOK 2 7 BOOST 9 HVOK, V V 3 6 I C SENSE OUT, ISENSE Pins ...6V V I 4 5 V LIM OUT C Pin ...3V Operating Junction Temperature Range (Notes 2, 5) DCB PACKAGE 8-LEAD (2mm s 3mm) PLASTIC DFN LT3653E ...–40°C to 125°C θJA = 64°C/W, θJC = 10°C/W LT3653I ..–40°C to 125°C EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB Storage Temperature ..–65°C to 150°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3653EDCB#PBF LT3653EDCB#TRPBF LDJN 8-Lead (2mm × 3mm) Plastic DFN –40°C to 125°C LT3653IDCB#PBF LT3653IDCB#TRPBF LDJN 8-Lead (2mm × 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/
The ELECTRICAL CHARACTERISTICS
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C; VIN = 12V, VBOOST = 17V, VSW = 0V, RILIM = 33.2k, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Operating Range l 7.5 30 V VIN Undervoltage Lockout Rising 6.5 7 7.5 V VIN Undervoltage Hysteresis 500 mV VIN Overvoltage Lockout Rising 30 33 36 V VIN Overvoltage Lockout Hysteresis 1 V VIN Supply Current Not Switching 2.8 3.4 mA VOUT Reverse Leakage Current VIN = 0V, VOUT = 4.8V 1 μA VIN = Open, VOUT = 4.8V 1 μA VOUT Nominal Set Point VC Pin = Open 4.8 5 V VOUT Current Limit Range l 0.4 1.2 A VOUT Current Limit RILIM = 33.2k 0.85 1 1.15 A l 0.80 1 1.2 A Operating Frequency l 1350 1500 1650 kHz VC Source Current VOUT = 0V, VC = 1.5V 12 μA VC Sink Current VOUT = 5V, VC = 1.5V 10 μA VC Switching Threshold IOUT = 0mA 1.1 V 3653f 2