Datasheet LTC3526L, LTC3526LB (Analog Devices) - 2

LTC3526L/LTC3526LB Absolute MAxiMuM rAtings pin conFigurAtion
(Note 1)
VIN Voltage ... –0.3V to 6V TOP VIEW SW Voltage DC .. –0.3V to 6V SW 1 6 VOUT Pulsed <100ns ... –0.3V to 7V GND 2 7 5 FB SHDN, FB Voltage .. –0.3V to 6V VIN 3 4 SHDN VOUT ... –0.3V to 6V DC PACKAGE Operating Temperature Range 6-LEAD (2mm s 2mm) PLASTIC DFN (Notes 2, 5) ..–40°C to 85°C TJMAX = 125°C, θJA = 102°C/W (NOTE 6) EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PC BOARD Storage Temperature Range .. –65°C to 150°C orDer inForMAtion
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3526LEDC#PBF LTC3526LEDC#TRPBF LCSS 6-Lead (2mm × 2mm) Plastic DFN –40°C to 85°C LTC3526LBEDC#PBF LTC3526LBEDC#TRPBF LCST 6-Lead (2mm × 2mm) 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
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, Nonswitching 250 500 µA Quiescent Current—Burst Measured on VOUT, FB > 1.230V (LTC3526L Only) 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 % Minimum Duty Cycle VFB = 1.3V l 0 % Switching Frequency l 0.75 1 1.25 MHz SHDN Pin Input High Voltage 0.8 V SHDN Pin Input Low Voltage 0.3 V 3526lfc Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts