Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 1A 12-WFDFN Exposed Pad
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 1A 12-WFDFN Exposed Pad
12-WFDFN Exposed Pad

R1271L331B-TR-K

DigiKey Part Number
2129-R1271L331B-TR-KTR-ND - Tape & Reel (TR)
2129-R1271L331B-TR-KCT-ND - Cut Tape (CT)
2129-R1271L331B-TR-KDKR-ND - Digi-Reel®
Manufacturer
Nisshinbo Micro Devices Inc.
Manufacturer Product Number
R1271L331B-TR-K
Description
IC REG BUCK 3.3V 1A 12DFN
Manufacturer Standard Lead Time
12 Weeks
Customer Reference
Detailed Description
Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 1A 12-WFDFN Exposed Pad
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Mfr
Nisshinbo Micro Devices Inc.
Series
R1271x
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Part Status
Active
Function
Step-Down
Output Configuration
Positive
Topology
Buck
Output Type
Fixed
Number of Outputs
1
Voltage - Input (Min)
3.6V
Voltage - Input (Max)
30V
Voltage - Output (Min/Fixed)
3.3V
Voltage - Output (Max)
-
Current - Output
1A
Frequency - Switching
2MHz
Synchronous Rectifier
Yes
Operating Temperature
-40°C ~ 125°C (TA)
Mounting Type
Surface Mount
Package / Case
12-WFDFN Exposed Pad
Supplier Device Package
DFN3030-12B
Base Product Number
R1271
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: 5,985
Check for Additional Incoming Stock
Quantity
All prices are in HKD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$31.98000$31.98
10$24.14100$241.41
25$22.18800$554.70
100$20.03970$2,003.97
250$19.01484$4,753.71
500$18.39742$9,198.71
1,000$17.88906$17,889.06
* All Digi-Reel orders will add a $55.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$15.90908$47,727.24
Manufacturers Standard Package