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LT3469ETS8 Datasheet(PDF) 2 Page - Linear Technology |
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LT3469ETS8 Datasheet(HTML) 2 Page - Linear Technology |
2 / 8 page LT3469 2 3469f VIN Voltage ............................................................. 16V SW Voltage ............................................................. 40V VCC Voltage............................................................. 38V +IN, –IN Voltage ..................................................... 10V FB Voltage ................................................................ 3V Current Into SW Pin ................................................. 1A Operating Temperature Range (Note 2) .. – 40 °C to 85°C Storage Temperature Range ................ – 65 °C to 150°C Lead Temperature (Soldering, 10 sec)................. 300 °C ORDER PART NUMBER (Note 1) ABSOLUTE AXI U RATI GS Consult LTC Marketing for parts specified with wider operating temperature ranges. LT3469ETS8 TJMAX = 125°C, θJA = 250°C/W The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 2) VIN = 5V, VCC = 35V, unless otherwise noted. ELECTRICAL CHARACTERISTICS TS8 PART MARKING LTACA OUT 1 FB 2 VIN 3 GND 4 8 –IN 7 +IN 6 VCC 5 SW TOP VIEW TS8 PACKAGE 8-LEAD PLASTIC TSOT-23 PARAMETER CONDITIONS MIN TYP MAX UNITS gm Amplifier Input Offset Voltage VOUT = VCC/2 q 310 mV Input Offset Current q 10 100 nA Input Bias Current q 150 500 nA Input Resistance—Differential Mode 1M Ω Input Resistance—Common Mode 200 M Ω Common Mode Rejection Ratio VCM = 0V to 10V 70 100 dB Power Supply Rejection Ratio—VIN VIN = 2.5V to 16V 80 120 dB Power Supply Rejection Ratio—VCC VCC = 15V to 35V 65 85 dB Gain No Load, VOUT = 2V to 33V 15 30 V/mV RL = 200k, VOUT = 2V to 33V 10 20 V/mV Transconductance IOUT = ±100µA 160 220 260 µA/mV q 140 300 µA/mV Maximum Output Current VOUT = VCC/2 ±30 ±40 ±55 mA q ±23 ±58 mA Maximum Output Voltage, Sourcing VCC = 35V, IOUT = 10mA 34.0 34.5 V VCC = 35V, IOUT = 0mA 34.5 34.9 V Minimum Output Voltage, Sinking IOUT = –10mA 200 1000 mV IOUT = 0mA 10 500 mV Output Resistance VCC = 35V, VOUT = 2V to 33V 100 k Ω Supply Current—VCC VCC = 35V 1.5 2 2.5 mA Switching Regulator Minimum Operating Voltage 2.5 V Maximum Operating Voltage 16 V Feedback Voltage q 1.19 1.23 1.265 V FB Pin Bias Current q 45 200 nA FB Line Regulation 2.5V < VIN < 16V 0.03 %/V Supply Current—VIN 1.9 2.6 mA Switching Frequency q 0.8 1.3 1.7 MHz Maximum Duty Cycle q 88 91 % Switch Current Limit (Note 3) q 165 220 mA Switch VCESAT ISW = 100mA 350 500 mV PACKAGE/ORDER I FOR ATIO |
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