Analog Devices Inc. LTC1682IS8-5#PBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $8.03 | $8.03 |
| 15+ | $7.77 | $116.55 |
| 25+ | $7.61 | $190.25 |
| 50+ | $7.18 | $359.00 |
| 100+ | $6.34 | $634.00 |
| N+ | $1.27 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Analog Devices Inc. |
| Product Series | |
| Packaging | Tube | |
| Function | Step-Up |
| 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) | 5V |
| Voltage - Output (Max) | - |
| Current - Output | 50mA |
| Frequency - Switching | 550kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SO |
| ROHS |
The LTC1682IS8-5#PBF from Analog Devices is a low-noise charge pump DC-DC converter that generates a regulated 5V output from a 1.8V to 4.4V input. It delivers up to 50mA of current and operates at a 550kHz switching frequency, allowing for small external capacitors. This converter is ideal for battery-powered portable devices, flash memory programming, and precision analog applications where a compact, inductor-free solution is required.
- Inductor-Free Design: Uses only small ceramic capacitors, reducing board space and EMI.
- Low Input Voltage (1.8V): Operates from deeply discharged batteries, extending battery life.
- Regulated 5V Output: Provides a stable supply for logic and analog circuits.
- 550kHz Switching Frequency: Allows for tiny external components and low output ripple.
- Compact SOIC-8 Package: Ideal for space-constrained portable and wearable designs.
Battery-Powered Portable Devices
With a 1.8V to 4.4V input range, this charge pump efficiently boosts a single Li-Ion or 2xAA battery to a regulated 5V for sensors, displays, and small microcontrollers.
Flash Memory Programming
The 5V output at 50mA is ideal for programming EEPROMs and flash memory in embedded systems, providing a stable, low-noise supply.
Operational Amplifier Supplies
In precision analog circuits, this charge pump can generate a clean 5V rail for op-amps and ADCs, improving signal integrity without bulky inductors.
Wearable and IoT Devices
Its small SOIC package and low quiescent current make it suitable for space-constrained wearables and IoT nodes that need a 5V rail from a low-voltage battery.
Portable Medical Monitors
For glucose meters and pulse oximeters, the LTC1682IS8-5#PBF provides a reliable 5V supply from a coin cell or small battery, ensuring consistent operation.
USB On-The-Go (OTG) Accessories
It can power small USB peripherals that require 5V from a 3.3V logic supply, enabling OTG functionality in compact designs.
- Q: What type of converter is the LTC1682IS8-5#PBF?
- A: It is a charge pump DC-DC converter that produces a regulated 5V output.
- Q: What is the input voltage range?
- A: The input voltage range is 1.8V to 4.4V.
- Q: What is the output voltage?
- A: The output voltage is fixed at 5V.
- Q: What is the maximum output current?
- A: It can deliver up to 50mA of output current.
- Q: What is the switching frequency?
- A: The switching frequency is 550kHz.
- Q: What package is available?
- A: It comes in an 8-SOIC package (0.154", 3.90mm width).
- Q: What type of converter is the LTC1682IS8-5#PBF?
- A: It is a charge pump DC-DC converter that produces a regulated 5V output.
- Q: What is the input voltage range?
- A: The input voltage range is 1.8V to 4.4V.
- Q: What is the output voltage?
- A: The output voltage is fixed at 5V.
- Q: What is the maximum output current?
- A: It can deliver up to 50mA of output current.
- Q: What is the switching frequency?
- A: The switching frequency is 550kHz.
- Q: What package is available?
- A: It comes in an 8-SOIC package (0.154", 3.90mm width).

LTC1682IS8-5#PBF.pdf