Datasheet LTC7803 (Analog Devices) - 3

LTC7803
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC7803EMSE#PBF LTC7803EMSE#TRPBF 7803 16-Lead Plastic MSOP –40°C to 125°C LTC7803IMSE#PBF LTC7803IMSE#TRPBF 7803 16-Lead Plastic MSOP –40°C to 125°C LTC7803JMSE#PBF LTC7803JMSE#TRPBF 7803 16-Lead Plastic MSOP –40°C to 150°C LTC7803HMSE#PBF LTC7803HMSE#TRPBF 7803 16-Lead Plastic MSOP –40°C to 150°C LTC7803EUD#PBF LTC7803EUD#TRPBF LHGT 16-Lead (3mm × 3mm) Plastic QFN –40°C to 125°C LTC7803IUD#PBF LTC7803IUD#TRPBF LHGT 16-Lead (3mm × 3mm) Plastic QFN –40°C to 125°C LTC7803JUD#PBF LTC7803JUD#TRPBF LHGT 16-Lead (3mm × 3mm) Plastic QFN –40°C to 150°C LTC7803HUD#PBF LTC7803HUD#TRPBF LHGT 16-Lead (3mm × 3mm) Plastic QFN –40°C to 150°C
AUTOMOTIVE PRODUCTS**
LTC7803EMSE#WPBF LTC7803EMSE#WTRPBF 7803 16-Lead Plastic MSOP –40°C to 125°C LTC7803IMSE#WPBF LTC7803IMSE#WTRPBF 7803 16-Lead Plastic MSOP –40°C to 125°C LTC7803JMSE#WPBF LTC7803JMSE#WTRPBF 7803 16-Lead Plastic MSOP –40°C to 150°C LTC7803HMSE#WPBF LTC7803HMSE#WTRPBF 7803 16-Lead Plastic MSOP –40°C to 150°C LTC7803EUD#WPBF LTC7803EUD#WTRPBF LHGT 16-Lead (3mm × 3mm) Plastic QFN –40°C to 125°C LTC7803IUD#WPBF LTC7803IUD#WTRPBF LHGT 16-Lead (3mm × 3mm) Plastic QFN –40°C to 125°C LTC7803JUD#WPBF LTC7803JUD#WTRPBF LHGT 16-Lead (3mm × 3mm) Plastic QFN –40°C to 150°C LTC7803HUD#WPBF LTC7803HUD#WTRPBF LHGT 16-Lead (3mm × 3mm) Plastic QFN –40°C to 150°C Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
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Versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications. These models are designated with a #W suffix. Only the automotive grade products shown are available for use in automotive applications. Contact your local Analog Devices account representative for specific product ordering information and to obtain the specific Automotive Reliability reports for these models.
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C, VIN = 12V, RUN = 12V, EXTVCC = 0V, unless otherwise noted. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input Supply
VIN Input Supply Operating Range 4.5 40 V IVIN VIN Current in Regulation Front Page Circuit, 14V to 3.3V 12 µA No Load
Controller Operation
VOUT Output Voltage Operating Range 0.8 40 V VFB Regulated Feedback Voltage (Note 4) VIN = 4.5V to 40V, ITH Voltage = 0.6V to 1.2V l 0.788 0.800 0.812 V 0°C to 85°C, All Grades 0.792 0.800 0.808 V Feedback Current (Note 4) ±5 ±50 nA Feedback Overvoltage Protection Threshold Measured at VFB Relative to Regulated VFB 7 10 13 % gm Transconductance Amplifier gm (Note 4) ITH = 1.2V, Sink/Source = 5μA 2 mmho VSENSE(MAX) Maximum Current Sense Threshold VFB = 0.7V, VSENSE– = 3.3V l 45 50 55 mV Rev 0 For more information www.analog.com 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Package Description Typical Application Related Parts