LM2776DBVT
ActiveCHARGE PUMP, INV, -2.7V TO -5.5V, SOT-23
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LM2776DBVT
ActiveCHARGE PUMP, INV, -2.7V TO -5.5V, SOT-23
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Technical Specifications
Parameters and characteristics commom to parts in this series
| Specification | LM2776DBVT | LM2776 Series |
|---|---|---|
| Board Type | - | Fully Populated |
| Current - Output | 200 mA | 200 mA |
| Frequency - Switching | 2 MHz | 2 MHz |
| Function | Ratiometric | Ratiometric |
| Main Purpose | - | DC/DC, Negative Inverter |
| Mounting Type | Surface Mount | Surface Mount |
| Number of Outputs | 1 | 1 |
| Operating Temperature [Max] | 85 °C | 85 °C |
| Operating Temperature [Min] | -40 °C | -40 °C |
| Output Configuration | Negative | Negative |
| Output Type | 1.81 mOhm | 1.81 mOhm |
| Outputs and Type | - | Non-Isolated |
| Outputs and Type | - | 1 |
| Package / Case | SOT-23-6 | SOT-23-6 |
| Regulator Topology | - | Inverting |
| Supplied Contents | - | Board(s) |
| Supplier Device Package | SOT-23-6 | SOT-23-6 |
| Synchronous Rectifier | False | False |
| Utilized IC / Part | - | LM2776 |
| Voltage - Input | - | 2.7 V |
| Voltage - Input | - | 5.5 V |
| Voltage - Input (Max) [Max] | 5.5 V | 5.5 V |
| Voltage - Input (Min) [Min] | 2.7 V | 2.7 V |
| Voltage - Output (Min/Fixed) | -Vin | -Vin |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 1.30 | |
| 10 | $ 1.17 | |||
| 25 | $ 1.11 | |||
| 100 | $ 0.91 | |||
| Digi-Reel® | 1 | $ 1.30 | ||
| 10 | $ 1.17 | |||
| 25 | $ 1.11 | |||
| 100 | $ 0.91 | |||
| Tape & Reel (TR) | 250 | $ 0.85 | ||
| 500 | $ 0.75 | |||
| 1250 | $ 0.59 | |||
| 2500 | $ 0.55 | |||
| 6250 | $ 0.53 | |||
| 12500 | $ 0.51 | |||
| Newark | Each (Supplied on Cut Tape) | 1 | $ 1.57 | |
| 10 | $ 1.50 | |||
| 25 | $ 1.42 | |||
| 50 | $ 1.36 | |||
| 100 | $ 1.30 | |||
| 250 | $ 1.26 | |||
| 500 | $ 1.23 | |||
| 1000 | $ 1.21 | |||
| Texas Instruments | SMALL T&R | 1 | $ 0.97 | |
| 100 | $ 0.74 | |||
| 250 | $ 0.55 | |||
| 1000 | $ 0.39 | |||
LM2776 Series
Switched Capacitor Inverter
| Part | Frequency - Switching | Package / Case | Operating Temperature [Max] | Operating Temperature [Min] | Voltage - Input (Max) [Max] | Synchronous Rectifier | Mounting Type | Output Configuration | Voltage - Output (Min/Fixed) | Function | Current - Output | Supplier Device Package | Output Type | Voltage - Input (Min) [Min] | Number of Outputs | Outputs and Type | Outputs and Type | Voltage - Input [Min] | Voltage - Input [Max] | Regulator Topology | Supplied Contents | Main Purpose | Utilized IC / Part | Board Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments LM2776DBVT | 2 MHz | SOT-23-6 | 85 °C | -40 °C | 5.5 V | Surface Mount | Negative | -Vin | Ratiometric | 200 mA | SOT-23-6 | 1.81 mOhm | 2.7 V | 1 | ||||||||||
Texas Instruments LM2776EVM | 2 MHz | 200 mA | Non-Isolated | 1 | 2.7 V | 5.5 V | Inverting | Board(s) | DC/DC, Negative Inverter | LM2776 | Fully Populated |
Description
General part information
LM2776 Series
The LM2776 CMOS charge-pump voltage converter inverts a positive voltage in the range from 2.7 V to 5.5 V to the corresponding negative voltage. The LM2776 uses three low-cost capacitors to provide 200 mA of output current without the cost, size, and electromagnetic interference (EMI) related to inductor-based converters.
With an operating current of only 100 µA and operating efficiency greater than 90% at most loads, the LM2776 provides ideal performance for battery-powered systems requiring a high power negative power supply.
The LM2776 has been placed in TI’s 6-pin SOT-23 to maintain a small form factor.
Documents
Technical documentation and resources