Analog Devices Inc. LTC1682CS8-3.3#TRPBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $12.40 | $12.40 |
| 15+ | $2.85 | $42.75 |
| 25+ | $2.79 | $69.75 |
| 50+ | $2.64 | $132.00 |
| 100+ | $2.33 | $233.00 |
| N+ | $0.47 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Analog Devices Inc. |
| Product Series | |
| Packaging | Tape & Reel (TR) | |
| Function | Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Charge Pump |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 1.8V |
| Voltage - Input (Max) | 4.4V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage - Output (Max) | - |
| Current - Output | 50mA |
| Frequency - Switching | 550kHz |
| 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 |
The LTC1682CS8-3.3 from Analog Devices is a charge pump DC-DC converter that provides a fixed 3.3V output from a 1.8V to 4.4V input. With a 50mA output capability and 550kHz switching frequency, it is designed for compact, battery-powered applications requiring a stable 3.3V rail. Ideal for wearables, wireless sensors, and portable medical devices.
- Fixed 3.3V Output: No external feedback resistors needed, simplifying the design and reducing component count.
- Efficient Boost: Charge pump topology delivers high efficiency for battery-powered applications, extending runtime.
- Small Footprint: 8-SOIC package and high-frequency operation allow for a minimal PCB layout.
- Reliable Regulation: Maintains a stable 3.3V output across the full input voltage range, ensuring consistent system performance.
3.3V Logic Supply from Single Cell
The LTC1682CS8-3.3 boosts a 1.8V-4.4V input to a stable 3.3V rail, ideal for powering microcontrollers, sensors, and digital logic in battery-operated devices.
Wearable Electronics
In smartwatches or fitness trackers, this charge pump provides a compact, efficient 3.3V supply from a small Li-ion battery, with the 550kHz frequency enabling tiny external components.
Wireless Sensor Nodes
For Zigbee, Bluetooth Low Energy, or LoRa nodes, the LTC1682CS8-3.3 ensures a consistent 3.3V supply for the radio and MCU, maximizing transmission reliability.
Portable Medical Monitors
Heart rate or SpO2 monitors require a stable 3.3V rail for analog front-ends and digital processing. This converter delivers clean power from a 3V coin cell or 2xAA batteries.
Remote Controls and Key Fobs
Battery-powered remote controls benefit from the high efficiency and low quiescent current, extending battery life while providing a regulated 3.3V for the RF transmitter.
Embedded Systems with Mixed Voltages
When a system has a 5V main rail but needs 3.3V for peripherals, this charge pump can generate the lower rail from a 1.8V-4.4V source, simplifying power distribution.
- Q: What type of converter is the LTC1682CS8-3.3?
- A: It is a charge pump DC-DC converter that produces a regulated 3.3V output.
- Q: What is the input voltage range?
- A: The input voltage range is 1.8V to 4.4V.
- Q: What is the maximum output current?
- A: The maximum output current is 50mA.
- Q: What is the switching frequency?
- A: The switching frequency is 550kHz.
- Q: What package is available?
- A: It comes in an 8-SOIC (0.154", 3.90mm Width) package.
- Q: Is the output voltage fixed?
- A: Yes, this version has a fixed 3.3V output.
LTC1682CS8-3.3#TRPBF.pdf
- Q: What type of converter is the LTC1682CS8-3.3?
- A: It is a charge pump DC-DC converter that produces a regulated 3.3V output.
- Q: What is the input voltage range?
- A: The input voltage range is 1.8V to 4.4V.
- Q: What is the maximum output current?
- A: The maximum output current is 50mA.
- Q: What is the switching frequency?
- A: The switching frequency is 550kHz.
- Q: What package is available?
- A: It comes in an 8-SOIC (0.154", 3.90mm Width) package.
- Q: Is the output voltage fixed?
- A: Yes, this version has a fixed 3.3V output.
