Analog Devices Inc. LTC1682CMS8-3.3#TRPBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $13.85 | $13.85 |
| 15+ | $3.18 | $47.70 |
| 25+ | $3.11 | $77.75 |
| 50+ | $2.94 | $147.00 |
| 100+ | $2.60 | $260.00 |
| N+ | $0.52 | 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-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 8-MSOP |
| ROHS |  |
The LTC1682CMS8-3.3 is a low-noise charge pump DC-DC converter from Analog Devices that delivers a fixed 3.3V output from a 1.8V to 4.4V input. It supports up to 50mA of output current with a 550kHz switching frequency, enabling small external capacitors and low output ripple. The device comes in a compact 8-pin MSOP/TSSOP package, making it suitable for battery-powered portable electronics, precision analog supplies, and memory backup circuits where efficiency and board space are critical.
- Low Noise Operation: The 550kHz fixed-frequency architecture reduces output ripple and simplifies EMI filtering in sensitive analog circuits.
- Wide Input Range: Accepts 1.8V to 4.4V, compatible with single-cell Li-ion, alkaline, or NiMH batteries without additional regulation.
- Compact Footprint: The 8-MSOP/TSSOP package minimizes PCB area, ideal for space-constrained portable designs.
- Simple Design: Requires only two external capacitors, reducing BOM cost and design complexity.
Battery-Powered Portable Devices
With a 1.8V to 4.4V input range and 50mA output, the LTC1682CMS8-3.3 efficiently generates a regulated 3.3V rail from a single Li-ion cell, extending battery life in handheld instruments and wireless sensors.
Operational Amplifier Power Supply
The low-noise 550kHz charge pump provides a clean 3.3V supply for precision op-amps, minimizing voltage ripple that could otherwise degrade analog signal integrity in measurement equipment.
Memory Backup Circuits
In systems requiring standby power, this charge pump maintains a stable 3.3V for SRAM or RTC modules during main power loss, with its 50mA capability sufficient for low-current retention loads.
Portable Medical Monitors
The compact 8-MSOP package and high efficiency make it ideal for wearable health monitors that need a regulated 3.3V rail from a small battery, ensuring reliable operation in space-constrained designs.
Industrial Sensor Interfaces
For 3.3V logic and sensor interfaces in industrial control systems, the LTC1682CMS8-3.3 offers a simple, component-minimal solution that converts a 3.6V or 3.0V battery supply to a stable digital rail.
- Q: What type of converter is the LTC1682CMS8-3.3?
- A: It is a charge pump DC-DC converter, specifically a switched capacitor voltage doubler with a fixed 3.3V output.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.8V to 4.4V, making it suitable for single-cell lithium-ion or two-cell alkaline battery applications.
- Q: What is the maximum output current?
- A: The maximum output current is 50mA, ideal for low-power loads such as sensors, op-amps, or memory backup circuits.
- Q: What is the switching frequency?
- A: The switching frequency is 550kHz, allowing the use of small external capacitors and reducing output ripple.
- Q: What package is available?
- A: It is available in an 8-pin TSSOP/MSOP package with a 3.00mm width, suitable for compact PCB layouts.
LTC1682CMS8-3.3#TRPBF.pdf
- Q: What type of converter is the LTC1682CMS8-3.3?
- A: It is a charge pump DC-DC converter, specifically a switched capacitor voltage doubler with a fixed 3.3V output.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.8V to 4.4V, making it suitable for single-cell lithium-ion or two-cell alkaline battery applications.
- Q: What is the maximum output current?
- A: The maximum output current is 50mA, ideal for low-power loads such as sensors, op-amps, or memory backup circuits.
- Q: What is the switching frequency?
- A: The switching frequency is 550kHz, allowing the use of small external capacitors and reducing output ripple.
- Q: What package is available?
- A: It is available in an 8-pin TSSOP/MSOP package with a 3.00mm width, suitable for compact PCB layouts.
