Datasheet LT3692A (Analog Devices) - 3

LT3692A
orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3692AEUH#PBF LT3692AEUH#TRPBF 3692A 32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C LT3692AIUH#PBF LT3692AIUH#TRPBF 3692A 32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C LT3692AHUH#PBF LT3692AHUH#TRPBF 3692A 32-Lead (5mm × 5mm) Plastic QFN –40°C to 150°C LT3692AEFE#PBF LT3692AEFE#TRPBF 3692AFE 38-Lead Plastic TSSOP –40°C to 125°C LT3692AIFE#PBF LT3692AIFE#TRPBF 3692AFE 38-Lead Plastic TSSOP –40°C to 125°C LT3692AHFE#PBF LT3692AHFE#TRPBF 3692AFE 38-Lead Plastic TSSOP –40°C to 150°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. 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. VVIN1/2 = 15V unless otherwise specified. (Note 3) PARAMETER CONDITIONS MIN TYP MAX UNITS
SHDN Voltage Threshold Ch 1/2 l 1.24 1.32 1.4 V SHDN Input Current Ch 1/2 VSHDN = 1.35V –1 0 1 µA VIN1 Undervoltage Lockout (Note 4) 2.5 2.8 3.1 V VIN Overvoltage Lockout Ch 1/2 (Note 5) 36 39 43 V VIN1 Shutdown Current VSHDN = 0V l 6 13 µA VIN2 Shutdown Current VSHDN = 0V l 0 2 µA VIN1 Quiescent Current VSHDN = 2V 3 4 5 mA VIN2 Quiescent Current VSHDN = 2V 400 630 1000 µA Feedback Voltage Ch 1/2 VVC1/2 = 1V l 790 806 822 mV Feedback Voltage Regulation VVIN1/2 = 3V to 35V, VVC1/2 = 0.5V to 1.4V l 780 806 830 mV Feedback Voltage Offset Ch 1 to Ch 2 VVC1/2 = 1V l –13 0 13 mV Feedback Bias Current Ch 1/2 VVC1/2 = 1V l 0 85 200 nA TJ Output Voltage (Note 6) TJ = 25°C, ITJ = 25µA, Temperature = 25°C 250 mV ITJ = 25µA, Temperature = 125°C 1.23 V ITJ = 25µA, Temperature = –40°C –380 mV TJ Error Temperature = 25°C to 125°C l –100 0 100 mV Error Amp gm Ch 1/2 VVC1/2 = 1V, IVC1/2 = ±10µA 300 400 500 µMho Error Amp Source Current Ch 1/2 VFB1/2 = 0.7V, VVC1/2 = 1V 17 25 33 µA Error Amp Sink Current Ch 1/2 VFB1/2 =0.9V, VVC1/2 = 1V 20 28 36 µA Error Amp High Clamp Ch 1/2 VFB1/2 = 0.7V 1.7 1.9 2.1 V Error Amp Switching Threshold Ch 1/2 VFB1/2 = 0V 0.7 0.9 1.08 V 3692afc For more information www.linear.com/3692A 3 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts