LT3509EMSE#TRPBF
IC REG BUCK ADJ 700MA DL 16MSOP
- Manufacturer
- Analog Devices Inc.
- Product Category
- Voltage Regulators & Voltage Controllers
- Package
- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad
- Stock
- 9,071 pcs
- Availability
- Current quantity subject to confirmation.
Product Attributes
| Manufacturer | Analog Devices Inc. |
|---|---|
| Product Category | Voltage Regulators & Voltage Controllers |
| Current - Output | 700mA |
| Frequency - Switching | 260kHz ~ 2.15MHz |
| Function | Step-Down |
| Min Qty | 1 |
| Mounting Type | Surface Mount |
| Number of Outputs | 2 |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Product status | Active |
| Supplier Device Package | 16-MSOP-EP |
| Synchronous Rectifier | No |
| Topology | Buck |
| Voltage - Input (Max) | 36V |
| Voltage - Input (Min) | 3.6V |
| Voltage - Output (Max) | 34.2V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Datasheet | View Datasheet PDF |
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Key supply and purchasing information for LT3509EMSE#TRPBF.
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Detailed Description for LT3509EMSE#TRPBF
Product Overview
The Analog Devices Inc. LT3509EMSE#TRPBF is a positive step-down buck switching regulator IC with two adjustable outputs. It operates from a 3.6V to 36V input and provides adjustable output voltages from 0.8V to 34.2V, with a 700mA output current rating. The device uses a switching frequency range of 260kHz to 2.15MHz, does not include synchronous rectification, and is supplied in a 16-TFSOP exposed-pad surface-mount package.
Key Features
- Two positive adjustable outputs in a single buck regulator.
- Input voltage range from 3.6V to 36V.
- Adjustable output voltage range from 0.8V to 34.2V.
- Switching frequency range from 260kHz to 2.15MHz.
- Non-synchronous rectifier topology.
- Operating junction temperature range of -40°C to 125°C.
- 16-MSOP-EP surface-mount package.
Applications
- Step-down conversion from a higher DC bus to lower positive supply rails.
- Dual-rail power management for boards requiring two adjustable positive outputs.
- Compact surface-mount DC-DC regulation in electronic assemblies.
Design & Procurement Notes
When selecting the LT3509EMSE#TRPBF, verify that the system input voltage is within 3.6V to 36V and that the required output voltages are within 0.8V to 34.2V. Consider the 700mA output current rating, the 260kHz to 2.15MHz switching frequency range, and the non-synchronous rectifier when planning external components and thermal design. The exposed-pad 16-TFSOP package requires a surface-mount layout that accommodates the exposed pad, and the -40°C to 125°C junction temperature range should be considered against the expected board thermal conditions.
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