Features: Ultra low dropout voltageStable with selected ceramic capacitorsLow ground pin currentLoad regulation of 0.06%10nA quiescent current in shutdown modeGuaranteed output current of 1.5A DCAvailable in TO-263, TO-220 and SOT-223 packagesOutput voltage accuracy ± 1.5%Error flag indicates outp...
LP3855: Features: Ultra low dropout voltageStable with selected ceramic capacitorsLow ground pin currentLoad regulation of 0.06%10nA quiescent current in shutdown modeGuaranteed output current of 1.5A DCAva...
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PinoutSpecificationsOutput Current1500 mAOutput Min0.6 VoltInput Min Voltage2.7 VoltInput Max Volt...
Storage Temperature Range................................................... -65 to +150
Lead Temperature
(Soldering, 5 sec.) ..................................................................................260
ESD Rating (Note 3)................................................................................. 2 kV
Power Dissipation (Note 2) ..................................................Internally Limited
Input Supply Voltage (Survival)................................................ -0.3V to +7.5V
Shutdown Input Voltage(Survival).............................................. -0.3V to 7.5V
Output Voltage (Survival), (Note6), (Note 7)............................ -0.3V to +6.0V
IOUT (Survival) Short Circuit Protected
Maximum Voltage for ERROR
Pin.............................................................................................................. VIN
Maximum Voltage for SENSE Pin.............................................................. VOUT
The LP3852/LP3855 series of fast ultra low-dropout linear regulators operate from a +2.5V to +7.0V input supply. Wide range of preset output voltage options are available. These ultra low dropout linear regulators respond very quickly to step changes in load, which makes them suitable for low voltage microprocessor applications. The LP3852/LP3855 are developed on a CMOS process which allows low quies- cent current operation independent of output load current. This CMOS process also allows the LP3852/LP3855 to op- erate under extremely low dropout conditions.
Dropout Voltage: Ultra low dropout voltage; typically 24mV at 150mA load current and 240mV at 1.5A load current. Ground Pin Current: Typically 4mA at 1.5A load current. Shutdown Mode: Typically 10nA quiescent current when the shutdown pin is pulled low.
Error Flag: Error flag goes low when the output voltage drops 10% below nominal value. SENSE: Sense pin improves regulation at remote loads.Precision Output Voltage: Multiple output voltage options are available ranging from 1.8V to 5.0V with a guaranteed accuracy of ±1.5% at room temperature, and ±3.0% over all conditions (varying line, load, and temperature).