Analog Devices Inc. LTC1265CS-3.3#TRPBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $23.45 | $23.45 |
| 15+ | $5.39 | $80.85 |
| 25+ | $5.27 | $131.75 |
| 50+ | $4.98 | $249.00 |
| 100+ | $4.40 | $440.00 |
| N+ | $0.88 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Analog Devices Inc. |
| Product Series | |
| Packaging | Tape & Reel (TR) | |
| Function | Step-Down, Step-Up/Step-Down |
| Output Configuration | Positive or Negative |
| Topology | Buck, Buck-Boost, SEPIC |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 13V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage - Output (Max) | - |
| Current - Output | 1.2A (Switch) |
| Frequency - Switching | Up to 700kHz |
| Synchronous Rectifier | No |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 14-SO |
| ROHS |  |
The LTC1265CS-3.3 from Analog Devices is a versatile DC-DC converter that can be configured as a buck, buck-boost, or SEPIC regulator. It operates from a 4V to 13V input and provides a fixed 3.3V output with up to 1.2A of switch current. The switching frequency is up to 700kHz, allowing for compact external components. Its flexibility makes it suitable for battery-powered IoT devices, automotive electronics, and industrial sensor nodes where a stable 3.3V rail is required.
- Multiple Topologies (Buck, Buck-Boost, SEPIC): Provides design flexibility for various input/output voltage relationships.
- Fixed 3.3V Output: Simplifies design for standard low-voltage logic and microcontroller rails.
- High Switching Frequency (up to 700kHz): Enables small inductors and capacitors, reducing PCB footprint.
- Low Quiescent Current: Extends battery life in portable and standby applications.
3.3V Microcontroller and Logic Power
The LTC1265CS-3.3 provides a regulated 3.3V rail from a 4V to 13V input, ideal for powering microcontrollers, FPGAs, and low-voltage logic. Its high efficiency minimizes heat in compact designs.
Battery-Powered IoT Devices
For IoT sensors and wireless modules powered by 2-3 Li-ion cells or a 12V battery, this converter maintains a stable 3.3V output. The low quiescent current is critical for long battery life in always-on applications.
Automotive Electronics
In automotive systems, the 4V to 13V input range covers battery voltage variations. The LTC1265 can power ECUs, sensors, and communication interfaces from the vehicle's electrical system.
Industrial Sensor Nodes
For industrial sensors operating from a 12V or 24V rail (with pre-regulation), the LTC1265 steps down to a clean 3.3V supply for analog front-ends and digital processing. Its robust design handles industrial transients.
Networking and Communication
In networking equipment, this converter can generate a 3.3V rail from a 5V or 12V backplane. The high switching frequency allows for small external components, saving board space.
SEPIC Configuration for Battery Backup
When configured as a SEPIC, the LTC1265 can regulate 3.3V even when the input voltage drops below 3.3V, making it suitable for battery backup systems where the battery voltage can vary widely.
- Q: What type of converter is the LTC1265CS-3.3?
- A: It is a versatile DC-DC converter that can be configured as Buck, Buck-Boost, or SEPIC.
- Q: What is the input voltage range?
- A: The input voltage range is from 4V to 13V.
- Q: What is the output voltage?
- A: This version has a fixed 3.3V output.
- Q: What is the maximum switch current?
- A: The internal switch is rated for a maximum of 1.2A.
- Q: What is the switching frequency?
- A: The switching frequency is up to 700kHz.
- Q: What package is available?
- A: It is available in a 14-SOIC package.
LTC1265CS-3.3#TRPBF.pdf
- Q: What type of converter is the LTC1265CS-3.3?
- A: It is a versatile DC-DC converter that can be configured as Buck, Buck-Boost, or SEPIC.
- Q: What is the input voltage range?
- A: The input voltage range is from 4V to 13V.
- Q: What is the output voltage?
- A: This version has a fixed 3.3V output.
- Q: What is the maximum switch current?
- A: The internal switch is rated for a maximum of 1.2A.
- Q: What is the switching frequency?
- A: The switching frequency is up to 700kHz.
- Q: What package is available?
- A: It is available in a 14-SOIC package.
