Buck Regulator Positive Output Step-Down DC-DC Controller IC 28-WQFN (5x5)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

LM2647LQ/NOPB

DigiKey Part Number
2156-LM2647LQ/NOPB-ND
Manufacturer
National Semiconductor
Manufacturer Product Number
LM2647LQ/NOPB
Description
LM2647 DUAL SYNCHRONOUS BUCK REG
Customer Reference
Detailed Description
Buck Regulator Positive Output Step-Down DC-DC Controller IC 28-WQFN (5x5)
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Manufacturer
National Semiconductor
Series
-
Packaging
Bulk
Part Status
Active
Output Type
Transistor Driver
Function
Step-Down
Output Configuration
Positive
Topology
Buck
Number of Outputs
2
Output Phases
2
Voltage - Supply (Vcc/Vdd)
5.5V ~ 28V
Frequency - Switching
200kHz ~ 500kHz
Duty Cycle (Max)
75%
Synchronous Rectifier
Yes
Clock Sync
No
Serial Interfaces
-
Control Features
Current Limit, Enable, Frequency Control, Power Good, Soft Start
Operating Temperature
-5°C ~ 125°C (TJ)
Mounting Type
Surface Mount
Package / Case
28-FQFN Exposed Pad
Supplier Device Package
28-WQFN (5x5)
Base Product Number
LM2647
Product Questions and Answers

See what engineers are asking, ask your own questions, or help out a member of the DigiKey engineering community

In-Stock: 817
Non-Cancelable/Non-Returnable
MARKETPLACE PRODUCT
Will ship in approximately 10 days from Rochester Electronics LLC
A separate 78,31 € flat rate shipping fee will apply
In an effort to support the research and development needs of all customers, we have implemented a maximum purchase limit for this product.
The limit may be purchased every 30 days and any amount over these limits will result in backorder or cancellation of this product.
MAXIMUM PURCHASE LIMIT
Bulk:817
Quantity
All prices are in EUR
Bulk
QuantityUnit PriceExt Price
833,12398 €259,29 €
Unit Price without VAT:3,12398 €
Unit Price with VAT:3,74878 €