LT1575CS8 Linear Technology, LT1575CS8 Datasheet
LT1575CS8
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LT1575CS8 Summary of contents
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... GTL Termination Low Voltage Logic Supplies LT1575CN8/LT1575CS8 Adjustable LT1575CN8-1.5/LT1575CS8-1.5 1.5V Fixed LT1575CN8-2.8/LT1575CS8-2.8 2.8V Fixed LT1575CN8-3.3/LT1575CS8-3.3 3.3V Fixed LT1575CN8-3.5/LT1575CS8-3.5 3.5V Fixed LT1575CN8-5/LT1575CS8-5 5V Fixed LT1577CS-ADJ/ADJ Adjustable, Adjustable LT1577CS-3.3/ADJ 3.3V Fixed, Adjustable LT1577CS-3.3/2.8 3.3V Fixed, 2.8V Fixed Consult factory for additional output voltage combinations available in the LT1577 ...
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... N8 PACKAGE S8 PACKAGE 8-LEAD PDIP 8-LEAD PLASTIC 100 C, = 100 C/ W (N8) JMAX 100 C, = 130 C/ W (S8) JMAX JA ORDER PART NUMBER LT1575CN8-1.5 LT1575CS8-3.3 LT1575CS8-1.5 LT1575CN8-3.5 LT1575CN8-2.8 LT1575CS8-3.5 LT1575CS8-2.8 LT1575CN8-5 LT1575CN8-3.3 LT1575CS8-5 S8 PART MARKING 157535 157515 15755 157528 157533 16 IPOS1 15 INEG1 14 GATE1 13 COMP1 12 IPOS2 11 INEG2 ...
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... Note 1: Absolute Maximum Ratings are those values beyond which the life of the device may be impaired. Note calculated from the ambient temperature T J dissipation P according to the following formulas: D LT1575CN8 • 100 CW LT1575CS8 • 130 CW LT1577CS • 100 CW CONDITIONS 10V V 20V ...
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LT1575/LT1577 W U TYPICAL PERFORMANCE CHARACTERISTICS Quiescent Current vs Temperature 12V 20V –75 –50 –25 ...
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W U TYPICAL PERFORMANCE CHARACTERISTICS V /V Line Regulation REF OUT vs Temperature 0.030 0.025 0.020 0.015 0.010 0.005 0 –75 – 50 – 100 125 150 TEMPERATURE ( C) 1575/77 G10 Gate Output Swing Low ...
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LT1575/LT1577 W U TYPICAL PERFORMANCE CHARACTERISTICS SHDN Sink Current vs Temperature 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 –75 – 50 – 100 125 150 175 TEMPERATURE ( C) 1575/77 G18 SHDN ...
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PIN FUNCTIONS SHDN (Pin 1): This is a multifunction shutdown pin that provides GATE drive latchoff capability current source, that turns on when current limit is activated, charges a capacitor placed in series with ...
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LT1575/LT1577 W BLOCK DIAGRAM SW1 NORMALLY SHDN OPEN SW2 NORMALLY CLOSED V IN START-UP GND FB 8 LT1575 Adjustable Voltage OR1 + COMP1 R2 – 100mV HYSTERESIS OR2 1.21V V REF I3 ...
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W BLOCK DIAGRAM OR1 SW1 NORMALLY OPEN SHDN OR2 SW2 NORMALLY CLOSED V IN START-UP V REF GND OUT R3* R4 R3/R4)V OUT REF LT1575 Fixed Voltage + COMP1 R2 ...
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LT1575/LT1577 U U APPLICATIONS INFORMATION Introduction The current generation of microprocessors place strin- gent demands on the power supply that powers the processor core. These microprocessors cycle load cur- rent from near zero to amps in tens of nanoseconds. Output ...
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U U APPLICATIONS INFORMATION Reference voltage accuracy for the adjustable version and output voltage accuracy for the fixed voltage versions are specified as 0.6% at room temperature and as 1% over the full operating temperature range. This places the LT1575/LT1577 ...
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LT1575/LT1577 U U APPLICATIONS INFORMATION diagram and clamps the positive swing of the COMP node in the main error amplifier to a voltage that provides an output load current of 50mV/R SENSE ues as long as the output current overload ...
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... Applications Support Linear Technology invests an enormous amount of time, resources and technical expertise in understanding, de- signing and evaluating microprocessor power supply so- lutions for system designers. As processor speeds and power increase, the power supply challenges presented to the motherboard designer increase as well ...
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LT1575/LT1577 U TYPICAL APPLICATIONS Setting Output Voltage with the Adjustable LT1575 V OUT 1.21V(1 + R2/R1) OUT 1575 TA03 Setting Current Limit IPOS SENSE INEG Q2 GATE V OUT *I = ...
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U TYPICAL APPLICATIONS V IN 12V 3.3V + LT1575-1 RESET SHDN IPOS INEG 0. GND GATE 4 5 OUT COMP R3 C4 4.99k 10pF NOTE: LTC RECOMMENDS ...
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LT1575/LT1577 U TYPICAL APPLICATIONS + + + + C14 C11 C12 C13 150 F 150 F 150 F 150 F 16V 16V 16V 16V 9 EXTV OSC C8, 68pF 2 RUN/SS C7, 0 ...
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U TYPICAL APPLICATIONS 3.3V to 2.8V 100mV at 5.7A with Sense-Less Current Limit and Timer Latchoff INPUT 3. 330 F 330 F 6.3V 6.3V RTN PACKAGE DESCRIPTION 0.300 – 0.325 (7.620 – 8.255) 0.009 – 0.015 ...
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LT1575/LT1577 PACKAGE DESCRIPTION 0.010 – 0.020 (0.254 – 0.508) 0.008 – 0.010 (0.203 – 0.254) 0.016 – 0.050 0.406 – 1.270 * DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE ** DIMENSION DOES ...
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... FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE 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. ...
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... Main Power Drives Low Cost PNP Transistor for High Power, Low Dropout Applications 0.54V Dropout at 7A, Fixed 2.5V and Adjustable OUT GTL+ Regulator 15757f LT/TP 0598 4K • PRINTED IN THE USA LINEAR TECHNOLOGY CORPORATION 1996 V CORE 2.8V C21 TO C44 1575/77 TA15 ...