Allicdata Part #: | 296-43957-2-ND |
Manufacturer Part#: |
LM2776DBVR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC REG SWTCHD CAP INV 6SOT23Charge Pump Switching ... |
More Detail: | N/A |
DataSheet: | LM2776DBVR Datasheet/PDF |
Quantity: | 3000 |
Series: | LM2776 |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Function: | Ratiometric |
Output Configuration: | Negative |
Topology: | Charge Pump |
Output Type: | Fixed |
Number of Outputs: | 1 |
Voltage - Input (Min): | 2.7V |
Voltage - Input (Max): | 5.5V |
Voltage - Output (Min/Fixed): | -Vin |
Voltage - Output (Max): | -- |
Current - Output: | 200mA |
Frequency - Switching: | 2MHz |
Synchronous Rectifier: | No |
Operating Temperature: | -40°C ~ 85°C (TA) |
Mounting Type: | Surface Mount |
Package / Case: | SOT-23-6 |
Supplier Device Package: | SOT-23-6 |
Base Part Number: | LM2776 |
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1. Description
The LM2776DBVR 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 batterypowered 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.
2. Features
1. Input Voltage: 2.7 V to 5.5 V
2. 200-mA Output Current
3. Inverts Input Supply Voltage
4. Low-Current PFM Mode Operation
5. 2-MHz Switching Frequency
6. Greater than 90% Efficiency
7. Current Limit and Thermal Protection
8. No Inductors
3. Applications
1. Operational Amplifier Power Supplies
2. Interface Power Supplies
3. Data Converter Supplies
4. Audio Amplifier Power Supplies
5. Portable Electronic Devices
4. Pin Configuration
5. Pin Functions
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