MP1591DN-LF-P is available for purchase but is not normally stocked.
Available Substitutes:

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MP1591DN-LF-Z
Monolithic Power Systems Inc.
In Stock: 0
Unit Price: $4.50000
Datasheet
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Buck Switching Regulator IC Positive Adjustable 1.23V 1 Output 2A 8-SOIC (0.154", 3.90mm Width) Exposed Pad
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MP1591DN-LF-P

DigiKey Part Number
1589-MP1591DN-LF-PTR-ND - Tape & Reel (TR)
Manufacturer
Monolithic Power Systems Inc.
Manufacturer Product Number
MP1591DN-LF-P
Description
IC REG BUCK ADJ 2A 8SOIC
Manufacturer Standard Lead Time
28 Weeks
Customer Reference
Detailed Description
Buck Switching Regulator IC Positive Adjustable 1.23V 1 Output 2A 8-SOIC (0.154", 3.90mm Width) Exposed Pad
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Mfr
Monolithic Power Systems Inc.
Series
MP
Packaging
Tape & Reel (TR)
Part Status
Active
Function
Step-Down
Output Configuration
Positive
Topology
Buck
Output Type
Adjustable
Number of Outputs
1
Voltage - Input (Min)
6.5V
Voltage - Input (Max)
32V
Voltage - Output (Min/Fixed)
1.23V
Voltage - Output (Max)
21V
Current - Output
2A
Frequency - Switching
330kHz
Synchronous Rectifier
No
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width) Exposed Pad
Supplier Device Package
8-SOIC-EP
Base Product Number
MP1591
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Available To Order
Check Lead Time
Quantity
All prices are in AUD
Tape & Reel (TR)
QuantityUnit PriceExt Price
500$2.85368$1,426.84
1,000$2.77268$2,772.68
1,500$2.73212$4,098.18
2,500$2.68718$6,717.95
3,500$2.66090$9,313.15
5,000$2.63564$13,178.20
Manufacturers Standard Package
Unit Price without GST:$2.85368
Unit Price with GST:$3.13905