Analog Devices Inc. LTC1550LCMS8-4.1#PBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $7.72 | $7.72 |
| 15+ | $7.48 | $112.20 |
| 25+ | $7.32 | $183.00 |
| 50+ | $6.91 | $345.50 |
| 100+ | $6.10 | $610.00 |
| N+ | $1.22 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Analog Devices Inc. |
| Product Series | |
| Packaging | Tube | |
| Function | Step-Up/Step-Down |
| Output Configuration | Negative |
| Topology | Charge Pump |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | -4.1V |
| Voltage - Output (Max) | - |
| Current - Output | 20mA |
| Frequency - Switching | 900kHz |
| Synchronous Rectifier | No |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 8-MSOP |
| ROHS |  |
The LTC1550LCMS8-4.1 is a charge pump DC-DC converter from Analog Devices, producing a regulated -4.1V output from a 4.5V to 5.5V input. It delivers up to 20mA with a 900kHz switching frequency. The 8-MSOP package makes it a compact solution for generating negative rails in battery-powered and 5V systems.
- High-Frequency Operation: 900kHz switching reduces capacitor size and output ripple.
- Wide Input Tolerance: Accepts 4.5V to 5.5V, accommodating 5V supply variations.
- Regulated Negative Output: Provides a stable -4.1V rail for sensitive analog circuits.
- Small Footprint: 8-MSOP package is ideal for space-constrained portable designs.
LCD Bias Generation
Provides a -4.1V bias voltage for LCD panels in portable devices, ensuring proper contrast and viewing angles.
Negative Rail for Audio Amplifiers
Supplies a negative supply for headphone amplifiers, enabling ground-referenced audio output without DC blocking capacitors.
Sensor Signal Conditioning
Used in bridge sensor interfaces to create a negative reference, improving dynamic range for low-level measurements.
Battery-Powered Test Equipment
Generates a negative rail from a 5V battery bus, allowing portable multimeters to measure bipolar voltages.
RF Switch Biasing
Provides a negative control voltage for PIN diode switches in RF front-ends, enhancing isolation and linearity.
- Q: What type of converter is the LTC1550LCMS8-4.1?
- A: It is a charge pump DC-DC converter that generates a negative -4.1V output.
- Q: What is the input voltage range?
- A: The input voltage range is from 4.5V to 5.5V.
- Q: What is the maximum output current?
- A: The maximum output current is 20mA.
- Q: What is the switching frequency?
- A: The switching frequency is 900kHz.
- Q: What package is available?
- A: It is available in an 8-TSSOP or 8-MSOP package (0.118", 3.00mm Width).
LTC1550LCMS8-4.1#PBF.pdf
- Q: What type of converter is the LTC1550LCMS8-4.1?
- A: It is a charge pump DC-DC converter that generates a negative -4.1V output.
- Q: What is the input voltage range?
- A: The input voltage range is from 4.5V to 5.5V.
- Q: What is the maximum output current?
- A: The maximum output current is 20mA.
- Q: What is the switching frequency?
- A: The switching frequency is 900kHz.
- Q: What package is available?
- A: It is available in an 8-TSSOP or 8-MSOP package (0.118", 3.00mm Width).
