Analog Devices Inc. LTC1550CS8-4.1#PBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $7.89 | $7.89 |
| 15+ | $7.64 | $114.60 |
| 25+ | $7.47 | $186.75 |
| 50+ | $7.06 | $353.00 |
| 100+ | $6.23 | $623.00 |
| N+ | $1.25 | 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) | 6.5V |
| Voltage - Output (Min/Fixed) | -4.1V |
| Voltage - Output (Max) | - |
| Current - Output | 10mA |
| Frequency - Switching | 900kHz |
| Synchronous Rectifier | No |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SO |
| ROHS |  |
The LTC1550CS8-4.1 from Analog Devices is a precision charge pump DC-DC converter designed to generate a fixed -4.1V output from a positive 4.5V to 6.5V input. It delivers up to 10mA of output current with a switching frequency of 900kHz, enabling the use of small external capacitors. This device is ideal for generating negative rails in analog circuits, biasing RF components, and powering LCD contrast controls. Its low noise and high accuracy make it a reliable choice for sensitive applications.
- Precise Negative Output: Fixed -4.1V output ensures accuracy for sensitive analog and RF biasing circuits.
- Low Noise: Charge pump design with 900kHz switching minimizes output ripple for clean power rails.
- Small Footprint: 8-SOIC package and high-frequency operation reduce board space requirements.
- Simple Design: Requires only a few external capacitors, simplifying the power supply design.
Negative Rail Generation
Generates a precise -4.1V rail from a 5V supply for powering op-amps, comparators, and other analog circuits in mixed-signal systems.
Bias for GaAs FETs
Provides a stable negative gate bias voltage for Gallium Arsenide (GaAs) field-effect transistors in RF amplifiers and communication equipment.
LCD Contrast Control
Supplies a negative voltage for adjusting the contrast of LCD displays in industrial and consumer electronics.
Sensor Excitation
Powers bridge sensors or other transducers that require a negative excitation voltage for accurate signal conditioning.
Audio Equipment
Creates a negative supply rail for audio amplifiers and mixers, enabling true bipolar operation from a single positive supply.
Data Acquisition Systems
Provides a low-noise negative reference for ADCs and DACs, improving the accuracy of high-resolution data acquisition.
- Q: What type of converter is the LTC1550CS8-4.1?
- A: It is a charge pump DC-DC converter that generates a negative output voltage.
- Q: What is the input voltage range?
- A: The input voltage range is from 4.5V to 6.5V.
- Q: What is the output voltage?
- A: The output voltage is fixed at -4.1V.
- Q: What is the maximum output current?
- A: The maximum output current is 10mA.
- Q: What is the switching frequency?
- A: The switching frequency is 900kHz.
- Q: What package is available?
- A: It is available in an 8-SOIC package.
LTC1550CS8-4.1#PBF.pdf
- Q: What type of converter is the LTC1550CS8-4.1?
- A: It is a charge pump DC-DC converter that generates a negative output voltage.
- Q: What is the input voltage range?
- A: The input voltage range is from 4.5V to 6.5V.
- Q: What is the output voltage?
- A: The output voltage is fixed at -4.1V.
- Q: What is the maximum output current?
- A: The maximum output current is 10mA.
- Q: What is the switching frequency?
- A: The switching frequency is 900kHz.
- Q: What package is available?
- A: It is available in an 8-SOIC package.
