LTC3824EMSE-PBF LINER [Linear Technology], LTC3824EMSE-PBF Datasheet
LTC3824EMSE-PBF
Related parts for LTC3824EMSE-PBF
LTC3824EMSE-PBF Summary of contents
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FEATURES n Wide Input Range 60V n Current Mode Constant Frequency PWM n Very Low Dropout Operation: 100% Duty Cycle n Programmable Switching Frequency: 200kHz to 600kHz n Selectable High Effi cient Burst Mode 40μA Quiescent Current n ...
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... LTC3824IMSE#PBF LTC3824IMSE#TRPBF LEAD BASED FINISH TAPE AND REEL LTC3824EMSE LTC3824EMSE#TR LTC3824IMSE LTC3824IMSE#TR Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. For more information on lead free part marking, go to: For more information on tape and reel specifi cations, go to: ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T otherwise specifi ed. PARAMETER V Threshold for Switching Off C Soft-Start Current Burst Mode Threshold C V Burst Mode Threshold Hysteresis C SENSE Voltage at Burst Mode ...
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LTC3824 TYPICAL PERFORMANCE CHARACTERISTICS ( Low CC CAP GATE DRIVE 8.5 8.4 8.3 8.2 8.1 8.0 7.9 7.8 7.7 7 (mA) GATE V Change vs V REF CC ...
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TYPICAL PERFORMANCE CHARACTERISTICS Burst Mode Operation V V =12V 5V OUT LOAD V OUT 50mV/DIV INDUCTOR CURRENT 1A/DIV 50μs/DIV PIN FUNCTIONS GND (Pin 1): Chip Ground Pin. SYNC/MODE (Pin 2): Synchronization Input and Burst Mode Operation ...
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LTC3824 BLOCK DIAGRAM + + 1.1V – SS 1.8V 2.5V 0.3μA 100k SYNC/ – MODE + + M2 + 50pF – 1.5V R SET OSC R FREQ + SHUTDOWN Y6 – GND Burst Mode OPERATION CONTROL APPLICATIONS INFORMATION ...
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APPLICATIONS INFORMATION Burst Mode Operation The LTC3824 can be confi gured for Burst Mode operation to enhance light load effi ciency (only 40μA quiescent current) and extend battery run time by leaving the SYNC/MODE pin open or pulling it higher ...
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LTC3824 APPLICATIONS INFORMATION Inductor Selection The maximum inductor current is determined RIPPLE I L(MAX) OUT(MAX – • OUT where I RIPPLE f • and ...
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APPLICATIONS INFORMATION on the P-channel switch duty cycle. At high input voltages the diode conducts most of the time the diode conducts only a small fraction of the time. OUT The worst condition for the diode is ...
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LTC3824 APPLICATIONS INFORMATION 2. Power MOSFET switching and condution losses OUT D (1+ δ) MOSFET OUT + K )(C )(f) IN OUT RSS 2 ...
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TYPICAL APPLICATION V IN 12.5V TO 60V C IN2 2.2μF 100V + C IN1 33μF 100V 301k 0.1μF PACKAGE DESCRIPTION 2.794 0.102 (.110 .004) 5.23 2.083 0.102 (.206) (.082 .004) MIN 0.305 0.038 0.50 (.0120 .0015) (.0197) BSC TYP RECOMMENDED ...
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LTC3824 TYPICAL APPLICATION V IN 4.5V TO 60V C IN2 2.2μF 100V + C IN1 33μF 100V SYNC/MODE R SET 301k GND SS 0.1μF RELATED PARTS PART NUMBER DESCRIPTION LTC1624 36V Current Mode Controller LT1976 60V Monolithic Regulator LT3724 60V ...