Analog Devices Inc. LT8609EMSE#PBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $8.23 | $8.23 |
| 15+ | $7.97 | $119.55 |
| 25+ | $7.79 | $194.75 |
| 50+ | $7.36 | $368.00 |
| 100+ | $6.50 | $650.00 |
| N+ | $1.30 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Analog Devices Inc. |
| Product Series | |
| Packaging | Tube | |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3V |
| Voltage - Input (Max) | 42V |
| Voltage - Output (Min/Fixed) | 0.782V |
| Voltage - Output (Max) | 42V |
| Current - Output | 3A |
| Frequency - Switching | 200kHz ~ 2.2MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad |
| Supplier Device Package | 10-MSOP-EP |
| ROHS |
The LT8609EMSE is a versatile synchronous buck DC-DC converter from Analog Devices. It operates from a 3V to 42V input and delivers up to 3A of output current. The output voltage is adjustable from 0.782V to 42V. Its switching frequency is programmable from 200kHz to 2.2MHz, enabling designers to optimize for efficiency or EMI. The 10-MSOP exposed pad package is compact and thermally efficient, suitable for industrial and automotive applications.
- Wide Input Range (3V-42V): Suitable for automotive and industrial power buses.
- 3A Output Current: Handles moderate power loads.
- Adjustable Frequency: Flexibility in EMI and efficiency tuning.
- MSOP Package: Small footprint with good thermal performance.
Automotive Body Electronics
The LT8609EMSE's 3V-42V input range is ideal for automotive body control modules, powering motors, relays, and microcontrollers from a 12V battery with load-dump protection.
Industrial Process Control
In 24V industrial systems, this buck converter provides stable 3.3V or 5V rails for PLCs, HMI panels, and field instruments, ensuring reliable operation in harsh environments.
Telecom Base Stations
For 48V telecom supplies, the LT8609EMSE steps down to logic voltages for baseband processing and RF control circuits. Its high efficiency reduces cooling requirements.
Renewable Energy Systems
In solar or wind power converters, this device can regulate auxiliary supplies from a wide-ranging DC bus, supporting control and monitoring electronics.
Test and Measurement
Benchtop instruments often use multiple supply rails. The LT8609EMSE provides a clean, adjustable output for analog and digital circuits, improving measurement accuracy.
Security and Surveillance
For CCTV cameras and access control systems powered by 12V or 24V, this converter delivers regulated power to image sensors and communication modules.
- Q: What type of converter is the LT8609EMSE?
- A: It is a step-down (Buck) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is from 3V to 42V.
- Q: What is the output voltage range?
- A: The output voltage is adjustable from 0.782V to 42V.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of output current.
- Q: What is the switching frequency?
- A: The switching frequency is programmable from 200kHz to 2.2MHz.
- Q: What package is available?
- A: It comes in a 10-TFSOP/10-MSOP exposed pad package.
- Q: What type of converter is the LT8609EMSE?
- A: It is a step-down (Buck) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is from 3V to 42V.
- Q: What is the output voltage range?
- A: The output voltage is adjustable from 0.782V to 42V.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of output current.
- Q: What is the switching frequency?
- A: The switching frequency is programmable from 200kHz to 2.2MHz.
- Q: What package is available?
- A: It comes in a 10-TFSOP/10-MSOP exposed pad package.

LT8609EMSE#PBF.pdf