LT1248CS Linear Technology, LT1248CS Datasheet
LT1248CS
Specifications of LT1248CS
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LT1248CS Summary of contents
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... Line current dead zone is minimized with low bias voltage at the current input to the multiplier. The LT1248 provides many protection features including peak current limiting and overvoltage protection, and can be operated at frequencies as high as 300kHz. , LTC and LT are registered trademarks of Linear Technology Corporation ...
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... EN/SYNC = 0V 3V EN/SYNC 3.5V OUT SENSE OUT ORDER PART TOP VIEW NUMBER 1 16 GTDR LT1248CN SET LT1248IN LT1248CS SET LT1248IS SENSE 7 10 EN/SYNC REF N PACKAGE 16-LEAD PDIP S PACKAGE = 125 C, = 100 C/W ( 125 C, = 120 C/W ( 25V 18V 15k to GND, MAX CC SET MIN ...
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ELECTRICAL C HARA TERISTICS C ture range, otherwise specifications are 1nF to GND 100 0V, CA SET AC SENSE PARAMETER Current Amplifier Current Amp Short-Circuit Current Input Range ...
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LT1248 W U TYPICAL PERFOR A Voltage Amplifier Open-Loop Gain and Phase 100 80 GAIN PHASE 0 – 10k 100k 100 FREQUENCY (Hz) Reference Voltage vs Temperature 7.536 7.524 7.512 7.500 7.488 7.476 7.464 7.452 ...
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W U TYPICAL PERFOR A GTDR Rise and Fall Time 400 300 FALL TIME 200 RISE TIME 100 NOTE: GTDR SLEWS BETWEEN 1V AND 16V LOAD CAPACITANCE (nF) 1248 G08 GTDR Maximum Duty ...
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LT1248 W U TYPICAL PERFOR A R Voltage vs Current SET 120 100 –20 –40 –60 –80 –100 0 –0.2 –0.4 –0.6 R CURRENT (mA) SET CTIO S Pin 1 ...
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CTIO S Pin resistor from R SET oscillator charging current and the maximum multiplier output current which is used to limit the maximum line current 3.75V/R M(MAX) SET Pin ...
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LT1248 PPLICATI S I FOR ATIO ripple fed back to the error amplifier is minimized. Note that switching ripple on the high impedance lines could get into the multiplier from the I pin and cause instability. ...
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PPLICATI S I FOR ATIO Note that V is the summing node and it stays at 7.5V. SENSE When overshoot occurs the overcurrent from R1 OUT will go through R2 as well as ...
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LT1248 PPLICATI S I FOR ATIO V /(V – 2V OUT For 382V V and 18V V , Np/Ns 19. OUT CC In Figure 6, a new technique for ...
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... IF GTDR IS NOT CLAMPED. Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. 300W, 382V Preregulator + – ...
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... Voltage Mode PWM, Simplified PFC Design Complete Solution for Universal Off-Line Switching Power Supplies 0.770* (19.558) MAX N16 1098 0.386 – 0.394* (9.804 – 10.008 0.150 – 0.157** (3.810 – 3.988) S16 1098 1248fd LT/GP 0799 2K REV D • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1993 ...