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LM2787BPNSN/a2000avaiLow Noise Regulated Switched Capacitor Voltage Inverter in micro SMD
LM2787BPXNSN/a1633avaiLow Noise Regulated Switched Capacitor Voltage Inverter in micro SMD
LM2787TPXNATIONALN/a800avaiLow Noise Regulated Switched Capacitor Voltage Inverter in micro SMD
LM2787TPXNSN/a2985avaiLow Noise Regulated Switched Capacitor Voltage Inverter in micro SMD


LM2787TPX ,Low Noise Regulated Switched Capacitor Voltage Inverter in micro SMDPin DescriptionsPin No. Name FunctionA1 Cap+ Positive terminal for C .1B1 V Positive power supply i ..
LM2787TPX ,Low Noise Regulated Switched Capacitor Voltage Inverter in micro SMDLM2787 Low Noise Regulated Switched Capacitor Voltage Inverter in micro SMDApril 2003LM2787Low Nois ..
LM2788MM-1.5 ,120mA High Efficiency Step-Down Switched Capacitor Voltage ConverterPin DescriptionPin Name Description1V Regulated Output VoltageOUT2 C1- First Flying Capacitor: Nega ..
LM2788MM-1.8 ,120mA High Efficiency Step-Down Switched Capacitor Voltage ConverterApplicationsflyingcapacitorsandtwo10µFbypasscapacitorsareallthatare required, and no inductors are ..
LM2788MM-1.8 ,120mA High Efficiency Step-Down Switched Capacitor Voltage Converterfeatures noise-reducing soft-start circuitry,short-circuit protection and over-temperature protecti ..
LM2788MMX-1.5 ,120mA High Efficiency Step-Down Switched Capacitor Voltage ConverterFeaturesn Output voltage options:The LM2788 switched capacitor step-down DC/DC con-2.0V ± 5%, 1.8V ..
LM61CIM3 ,2.7V, SOT-23 or TO-92 Temperature SensorApplicationsn Cellular PhonesThe LM61 is a precision integrated-circuit temperature sen-sor that ca ..
LM61CIM3X/NOPB ,?2?C Analog Output Temperature Sensor with TO-92 Option 3-SOT-23 -30 to 100Maximum Ratings may cause permanent damage to the device. These are stress ratingsonly, which do no ..
LM61CIZ ,2.7V, SOT-23 or TO-92 Temperature SensorElectrical CharacteristicsUnless otherwise noted, these specifications apply for +V = +3.0 V . Bold ..
LM61CIZ ,2.7V, SOT-23 or TO-92 Temperature SensorFeaturesn Calibrated linear scale factor of +10 mV/˚C j Nonlinearity ±0.8˚C (max)n Rated for full − ..
LM61CIZ ,2.7V, SOT-23 or TO-92 Temperature Sensorapplicationsn UL Recognized ComponentTypical Application01289702V = (+10 mV/˚C x T ˚C) + 600 mVOTem ..
LM61-CIZ ,2.7V, SOT-23 or TO-92 Temperature SensorLM61 2.7V, SOT-23 or TO-92 Temperature SensorFebruary 2004LM612.7V, SOT-23 or TO-92 Temperature Sen ..


LM2787BP-LM2787BPX-LM2787TPX
Low Noise Regulated Switched Capacitor Voltage Inverter in micro SMD
LM2787
Low Noise Regulated Switched Capacitor Voltage
Inverter in micro SMD
General Description

The LM2787 CMOS Negative Regulated Switched Capacitor
Voltage Inverter deliversa very low noise adjustable output
foran input voltagein the rangeof +2.7Vto +5.5V. Four low
cost capacitorsare usedin this circuitto provideupto 10mA output current. The regulated outputfor the LM2787is
adjustable between −1.5V and −5.2V. The LM2787 operates 260 kHz (typical) switching frequencyto reduce output
resistance and voltage ripple. Withan operating currentof
only 400 µA (charge pump power efficiency greater than
90% with most loads) and 0.05µA typical shutdown current,
the LM2787 provides ideal performancefor cellular phone
power amplifier bias and other low current, low noise nega-
tive voltage needs. The device comesin small 8-Bump micro
SMD and thin micro SMD packages.
Features
Inverts and regulates the input supply voltage Small 8-Bump micro SMD and thin micro SMD
packages 91% typical charge pump power efficiencyat 10mA Low output ripple Shutdown lowers Quiescent currentto 0.05µA (typical)
Applications
Wireless Communication Systems Cellular Phone Power Amplifier Biasing Interface Power Supplies Handheld Instrumentation Laptop Computers and PDA’s
Typical Application Circuit and Connection Diagram

8-Bump micro SMD (Top View)
April 2003
LM2787
Low
Noise
Regulated
Switched
Capacitor
oltage
Inverter
micro
SMD
ic,good price


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