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LMC7660IMX/NOPB Breakout
IC CHARGE PUMP VOLTAGE INVERTER 8SOIC
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CMOS charge pump voltage converter that generates a negative supply voltage from a positive input. Converts +5V to approximately -5V output with minimal external components. Commonly used in analog circuits requiring dual supplies, op-amp biasing, and mixed-signal applications where negative rails are needed without a dedicated negative supply.
Package: SOIC-8 (3.9×4.9mm) · 8 pins
Why does this need a breakout?
An 8-pin SOIC with 1.27mm pitch is too fine for breadboards and hand-soldering without a microscope. A breakout board routes these pins to standard 0.1" headers, enabling rapid prototyping and reliable connections for op-amps, transceivers, and small power MOSFETs without requiring reflow equipment.
Component specifications
ELECTRICAL CHARACTERISTICS
| Manufacturer | Texas Instruments |
| Part Number | LMC7660IMX/NOPB |
| Package | SOIC-8 (3.9×4.9mm) |
| Pin Count | 8 |
| Frequency - Switching | 10kHz |
| Number of Outputs | 1 |
| Output Configuration | Negative |
| Output Type | Fixed |
| Topology | Charge Pump |
| Voltage - Input (Max) | 10V |
| Voltage - Input (Min) | 1.5V |
| Voltage - Output (Min/Fixed) | -Vin |
What's Included
BILL OF MATERIALS
- 1x LMC7660IMX/NOPB soldered onto breakout PCB
- Pin headers pre-soldered (2.54mm / 0.1" pitch)
- All IC pins broken out to 2.54mm headers
Breakout Board Design
PCB SPECIFICATIONS