Key facts
- Brand
- Linear Technology
- Model
- LT3685
- Category
- Power Management
- Industry
- Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2026-10-13
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Linear Technology LT3685 36V 2A Step-Down Switching Regulator Datasheet
The LT3685 is an adjustable frequency (200kHz to 2.4MHz) monolithic step-down switching regulator that accepts input voltages up to 38V operating and 60V maximum. It features an internal overvoltage protection circuit, a high efficiency 0.25 switch, and a boost Schottky diode. The device uses current mode topology for fast transient response and good loop stability.
Read onlineLinear Technology LT3685 specifications
| Maximum Input Voltage | 38V operating, 60V maximum |
|---|---|
| Maximum Output Current | 2A |
| Switching Frequency Range | 200kHz to 2.4MHz |
| Feedback Reference Voltage | 0.790V |
| Shutdown Current | Less than 1μA |
| Switch On-Resistance | 0.25Ω |
| Package Types | 10-Pin MSOP and 3mm × 3mm DFN |
Source: Linear Technology LT3685 36V 2A Step-Down Switching Regulator Datasheet
All Linear Technology LT3685 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the minimum input voltage for the LT3685?
The minimum input voltage is 3.6V.
From: Linear Technology LT3685 36V 2A Step-Down Switching Regulator Datasheet
Does the LT3685 include an integrated boost diode?
Yes, it includes an integrated boost Schottky diode.
From: Linear Technology LT3685 36V 2A Step-Down Switching Regulator Datasheet
What is the minimum input voltage for the LT3685?
The regulator operates with a minimum input voltage of 3.6 V.
From: Linear Technology LT3685 Step-Down Switching Regulator Datasheet
How much current does the LT3685 draw in shutdown mode?
In shutdown mode the input current is less than 1 pA.
From: Linear Technology LT3685 Step-Down Switching Regulator Datasheet