LM2776DBVR
Switched capacitor voltage inverter with an operating current of 100 µ, greater than 90% efficiency, up to 200 mA for output of VIN, and no inductor requirements.
Texas InstrumentsThe LM2776DBVR is a switched capacitor inverter that can be used to create a negative voltage rail from a single supply. The LM2776DBVR has a voltage input range of 2.7 V to 5.5 V and will produce the same voltage output, but with an opposite polarity, and can source up to 200 mA while maintaining this voltage. The efficiency of the LM2776DBVR is greater than 90%. It has a switching frequency of 2 MHz and does not require an external inductor. The LM2776DBVR requires only three external capacitors, includes an enable signal, and integrates current limit and thermal protection circuitry. Housed in an SOT-23 package, the LM2776DBVR has an operating temperature range of -40°C to 85°C.
Drawings/Package
Key Features
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Up to 200-mA output current while retaining VIN output
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Operating voltage range of 2.7 V to 5.5 V
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Greater than 90% efficiency
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No external inductor needed
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Operating temperature range of -40°C to 85°C
Product Technical Specifications
EU RoHS
Compliant
ECCN (US)
EAR99
Part Status
Active
HTS
COMPONENTS
SVHC
Yes
Automotive
No
PPAP
No
Function
Inverting
Output Type
Adjustable
Output Voltage (V)
-2.7 to -5.5
Minimum Operating Supply Voltage (V)
2.7
Maximum Operating Supply Voltage (V)
5.5
Maximum Supply Current (mA)
0.1(Typ)
Output Current (mA)
200(Max)
Maximum Switching Frequency (kHz)
2300
Efficiency (%)
90
Minimum Operating Temperature (°C)
-40
Maximum Operating Temperature (°C)
85
Packaging
Tape and Reel
Mounting
Surface Mount
Package Height
1.1
Package Width
1.6
Package Length
2.9
PCB changed
6
Standard Package Name
SOT
Supplier Package
SOT-23
Pin Count
6
Lead Shape
Gull-wing