Low

LT3477IUF#PBF - 

DC-DC Switching Regulator Current Mode, Adjustable, 2.5V-25Vin, 40V/3A out, 4.3 MHz, QFN-20

LT3477IUF#PBF - DC-DC Switching Regulator Current Mode, Adjustable, 2.5V-25Vin, 40V/3A out, 4.3 MHz, QFN-20

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
LT3477IUF#PBF
Order Code:
2294907
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LT3477IUF#PBF is a current-mode step-up DC-to-DC Converter with dual rail-to-rail current sense amplifiers and an internal 3A/42V switch. It combines a traditional voltage feedback loop and two unique current feedback loops to operate as a constant-current, constant-voltage source. Both current sense voltages are set at 100mV and can be adjusted independently using the IADJ1 and IADJ2 pins. Efficiency of up to 91% can be achieved in typical applications. The LT3477 features a programmable soft-start function to limit inductor current during start-up. Both inputs of the error amplifier are available externally allowing positive and negative output voltages (boost, inverting, SEPIC, flyback). The switching frequency is programmable from 200kHz to 3.5MHz through an external resistor.
  • Up to 93% high efficiency power conversion
  • Drives LEDs in boost, buck-boost or buck mode
  • Programmable soft-start
  • 100mV Dual rail-to-rail current sense amplifiers
  • 0.3V at 2.5A Low VCESAT switch

Applications

Power Management, Communications & Networking

Product Information

:
Boost (Step Up)
:
2.5V
:
25V
:
1Outputs
:
QFN
:
20Pins
:
3A
:
-
:
40V
:
4.3MHz
:
125°C
:
Cut Tape
:
-
:
-
:
MSL 1 - Unlimited
Find similar products Choose and modify the attributes above to find similar products.

Associated Products

Compare Selected

Related Searches

 

17 In stock

4 in stock for next day delivery (Liege stock)

13 in stock for next day delivery (UK stock)

see cut-off times
 
Check stock and lead times
More stock available week commencing 08/10/18
£6.31 £ 6.31
Price for:
Each
Multiple: 1 Minimum: 1
Quantity Price
1 + £6.31
25 + £4.11
100 + £3.63
No longer stocked:: No Longer Manufactured::
Add to Basket
Total Price:
Total Price: ( )
Total Price: --

Customer Reviews

Community

Like to see information about this product from other customers?

 Read discussions, blogs, documents from our community members.

Filters:

Select document type(s) you want to see and click “Apply Filters” button
Post a question to one of our experts or start a discussion and get responses from supplier experts and fellow engineers in our community.