sc1452 Semtech Corporation, sc1452 Datasheet
sc1452
Related parts for sc1452
sc1452 Summary of contents
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... POWER MANAGEMENT Description The SC1452 is a state of the art device intended to provide maximum performance and flexibility in battery operated systems. It has been designed specifically to fully support a single Li-Ion battery and its external charger voltages. The SC1452 contains two independently enabled, ultra low dropout voltage regulators (ULDOs). It operates from an input voltage range of 2 ...
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... SC1452 ...
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... < SC1452 = V . ENB ...
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... 1.0 µ OUTA OUTB IN OUT ENA and V will be a percentage of V OUTA OHB 4 SC1452 = V . ENB constraints OUTB www.semtech.com ° C ° ...
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... 2006 Semtech Corp. Voltage Options Replace X in the part number (SC1452XIMS) by the letter shown below for the corresponding voltage option ...
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... POWER MANAGEMENT Block Diagram Marking Information 2006 Semtech Corp Voltage options (Example: 452F) yyww = Datecode (Example: 0008) XXXX = Lot Number (Example: E01102) 6 SC1452 www.semtech.com ...
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... Semtech Corp. initial currents for DSP initialization. The SC1452 has a fast start-up circuit to speed up the initial charging time of the bypass capacitor to enable the output voltage to come up quicker. The SC1452 includes thermal shutdown circuitry to turn ...
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... The SC1452 has been designed to be used with ceramic capacitors, but does not have to be used with ceramic capacitors, allowing the designer a choice. Increasing the bulk capacitance will further reduce output noise and improve the overall transient response. Input capacitor - Semtech recommends the use of a 1µ ...
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... Dropout Voltage vs. Junction Temperature 200 175 150 125 100 75 Top to bottom 125° 25° -40° 100 125 150 -50 9 SC1452 vs. Input Voltage (°C) J vs. Output Current Top to bottom: ...
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... Quiescent Current vs. Junction Temperature 200 = 150mA I OUTA 175 150 125 150mA OUTA OUTB 100 100 125 -50 10 SC1452 Load Regulation vs. Junction Temperature = OUT = 0.1mA to 150mA - (°C) J Off-State Quiescent Current vs. Junction Temperature = 6. ENA ENB ...
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... V 6.5V V OUT IN OUT 3.8 3.6 3.4 3.2 3.0 2.8 2.6 2.4 = 10nF 2.2 2.0 75 100 125 -50 Output Spectral Noise Density vs. Frequency 10 1 0.1 0.01 0.001 10 100 1000 0.01 11 SC1452 Reset Threshold Voltage vs. Junction Temperature V rising OUT V falling OUT - (°C) J vs. Junction Temperature + DLYB V TH(DLYB) - 100 T (° ...
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... PSRR vs. Frequency vs. Output Voltage BYP I OUT 100 1000 0.01 12 SC1452 vs. Output Current Top to bottom 1.8V OUT 1µ 10nF BYP C = 2.2µF OUT T = 25° (kHz 100nF) ...
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... J11 OUTA LOAD DRV J12 J13 J14 J15 J16 J17 GND GND GND GND GND GND JP7 OFF OUTA LOAD 13 SC1452 J1 J2 ENA ENB JP1 JP2 OUTA ENABLE OUTB ENABLE R1 10k R2 10k 1uF 10nF 10nF ...
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... SC1452 ...
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... SEE DETAIL SIDE VIEW -A- AND - DETERMINED AT DATUM PLANE -H- X DIM INCHES (.161 .098 .020 X .011 Y .063 Z .224 Y P Semtech Corporation Power Management Products Division 200 Flynn Road, Camarillo, CA 93012 15 SC1452 DIMENSIONS MILLIMETERS NOM MAX - - - .043 1. .006 0.00 0. .037 0.75 0. .011 0.17 0. .009 0.08 0.23 ...