You have entered a value in the highlighted fields below that contain invalid characters. Please revise your selection using valid characters only.

Product may not be an exact match for your search

You previously purchased this product. View in Order History

 
 

MAX1774EEI+

DC/DC Switching Regulator, Buck, 2 Output, 2.7 V to 28 V in, 5.5 V/2 A out, 1.25 MHz, QSOP-28

ANALOG DEVICES MAX1774EEI+
×
×

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

Manufacturer Part No:
MAX1774EEI+
Order Code:
2513989
Technical Datasheet:
MAX1774EEI+   Datasheet
See all Technical Docs

Product Overview

The MAX1774EEI+ is a dual high efficiency, step-down converter with backup battery switchover in 28 pin QSOP package. It integrates two high efficiency step-down converters, a boost converter for backup battery regulation and four voltage detectors. It provides an adjustable main output from 1.25V to 5.5V at over 2A. The secondary core converter delivers an adjustable voltage from 1V to 5V and can deliver up to 1.5A. Both main and core regulators have separate shutdown inputs. When the AC adapter power is removed, an external P channel MOSFET switches input to main battery. When main battery is low, the backup step-up converter sustains main output voltage. When backup battery can no longer deliver required load, system shuts down safely to prevent damage. Four onboard voltage detectors monitor status of the AC adapter power, main battery and backup battery. It is used in internet access tablets, POS terminals, subnotebooks and PDAs.
  • Input voltage range from +2.7V to +28V
  • Operating temperature range from -40°C to 85°C
  • Main power, adjustable from +1.25V to +5.5V, over 2A load current & up to 95% efficiency
  • Core power, adjustable from 1V to 5V, internal switches & up to 91% efficiency
  • Automatic main battery switchover, 100% (max) duty cycle
  • Up to 1.25MHz switching frequency
  • Quiescent current is 170µA
  • Shutdown current is 8µA
  • Digital soft start
  • Independent shutdown inputs

Applications

Power Management, Industrial, Portable Devices

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

Want to see similar products? Simply select your required attributes below and hit the button ×


:
2 Output

:
2.7V

:
28V

:
QSOP

:
28Pins

:
2A

:
1.5A

:
5.5V

:
5V

:
Adjustable

:
1.25MHz

:
Buck (Step Down)

:
85°C

:
-

:
MSL 1 - Unlimited

Find similar products Choose and modify the attributes above to find similar products.

Technical Documents (1)

CAD Downloads

×

Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

Accept Cancel

Available for back order

More stock available to supplier lead times which is approximately 4/24/23

Due to market conditions delivery times are for general guidance only and may be subject to change at short notice

Notify me when back in stock

HK$85.45

Pricing is unavailable. Please contact customer services.

Price for:
Each
Multiple: 1 Minimum: 1
Quantity Price Your Price
 
 
1+ HK$85.45
Promotional price
Contract Price
Web only price
Web only contract price
 
10+ HK$77.22
Promotional price
Contract Price
Web only price
Web only contract price
 
50+ HK$73.63
Promotional price
Contract Price
Web only price
Web only contract price
 
100+ HK$63.93
Promotional price
Contract Price
Web only price
Web only contract price
 
250+ HK$61.06
Promotional price
Contract Price
Web only price
Web only contract price
 
500+ HK$55.67
Promotional price
Contract Price
Web only price
Web only contract price
 
1000+ HK$53.87
Promotional price
Contract Price
Web only price
Web only contract price
 
 
 

Pricing is unavailable. Please contact customer services.

No longer stocked:: No Longer Manufactured::
Add to Basket Add to Basket Pre-Order
Add
Restricted Item
Add Part No. / Line Note
Total Price:
Total Price: ( )
Total Price: --