# LTC3805EDD - LT DC DC Switching Controller

## Product Summary

The Analog Devices LTC3805EDD is a DC DC Switching Controller. It operates with a supply voltage range of 3.95V to 9.5V and features a Flyback topology.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | LTC3805EDD |
| Manufacturer | LT |
| Product Type | DC DC Switching Controller |
| Category | Uncategorized |
| Subcategory | DC DC Switching Controllers |
| Supplier Device Package | 10-DFN (3x3) |
| Mounting Type | Surface Mount |

## Description

The LTC3805EDD from Analog Devices Inc. is a DC DC Switching Controller designed for efficient power regulation. It operates within a supply voltage range of 3.95V to 9.5V and utilizes a Flyback topology. This controller supports a switching frequency between 70kHz and 700kHz, with a maximum duty cycle of 80%.

Key features include transistor driver output type, single output phase, and positive isolation capability. The device is suitable for step-up/step-down functions and includes control features like Enable and Soft Start. It is designed for surface mount applications and comes in a 10-WFDFN Exposed Pad package.

The operating temperature range for the LTC3805EDD is -40°C to 85°C. It is packaged in Tape & Reel (TR) for automated assembly processes. This component is RoHS3 Compliant, has an MSL of 1 Unlimited, and is REACH Unaffected.

## Key Specifications

| Specification | Value |
| --- | --- |
| Clock Sync | Yes |
| Control Features | Enable, Soft Start |
| Duty Cycle | 80% |
| Function | Step-Up/Step-Down |
| Lead Style | No Lead |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature | -40 °C to 85 °C |
| Output Configuration | Positive, Isolation Capable |
| Output Phases | 1 |
| Output Type | Transistor Driver |
| Package / Case | 10-WFDFN Exposed Pad |
| Supplier Device Package | 10-DFN (3x3) |
| Synchronous Rectifier | No |
| Topology | Flyback |
| Voltage Supply | 3.95 V to 9.5 V |

## Availability and Pricing

| Field | Value |
| --- | --- |
| Stock Status | In Stock |
| Distributor Count | 1 |
| Total Stock | 3,500 |
| Pricing Available | No |

## Distributor Offers

| Distributor | Stock | Unit Price | MOQ | Lead Time | Last Updated |
| --- | --- | --- | --- | --- | --- |
| Optech Co.,Limited | 3,500 |  |  |  |  |

## Features

- Operates from 3.95V to 9.5V supply voltage.
- Utilizes Flyback topology for power conversion.
- Switching frequency from 70kHz to 700kHz.
- Surface mountable in 10-WFDFN Exposed Pad.
- Operates within -40°C to 85°C temperature range.

## Applications

- Flyback controller for isolated power supply designs
- Step-up/step-down switching regulator for compact modules
- High-frequency single-output DC-DC converter controller
- Positive output capable isolated flyback controller

## Compliance

| Field | Value |
| --- | --- |
| RoHS Status | RoHS3 Compliant |
| REACH Status | REACH Unaffected |
| Moisture Sensitivity Level | 1 Unlimited |

## Documents and Media

- Product Page: https://distyparts.com/product/ltc3805edd
- RFQ URL: https://distyparts.com/product/ltc3805edd#rfq

## FAQs

### What is the operating voltage range of the LTC3805EDD?

The LTC3805EDD operates from a supply voltage of 3.95V to 9.5V.

### What is the switching frequency range of the LTC3805EDD?

The switching frequency range is 70kHz to 700kHz.

### What is the operating temperature range of the LTC3805EDD?

The operating temperature range is -40°C to 85°C.

### What package is the LTC3805EDD available in?

The LTC3805EDD is available in a 10-WFDFN exposed pad surface mount package (10-DFN 3x3).

### What topology does the LTC3805EDD use?

The LTC3805EDD uses a flyback topology.

### Does the LTC3805EDD support clock synchronization?

Yes, the LTC3805EDD supports clock synchronization.

### What is the maximum duty cycle of the LTC3805EDD?

The maximum duty cycle is 80%.

## Related Pages

- Manufacturer: https://distyparts.com/manufacturer/lt
- Category: https://distyparts.com/category/uncategorized/new-products
- Product Page: https://distyparts.com/product/ltc3805edd
- Markdown File: https://distyparts.com/product/ltc3805edd.md
- TXT File: https://distyparts.com/product/ltc3805edd.txt
