PM8903ATR is available for purchase but is not normally stocked.
Available Substitutes:

Parametric Equivalent

PM8903TR
STMicroelectronics
In Stock: 3,400
Unit Price: $17.62000
Datasheet
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16 VFQPN
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

PM8903ATR

DigiKey Part Number
497-13856-2-ND - Tape & Reel (TR)
Manufacturer
STMicroelectronics
Manufacturer Product Number
PM8903ATR
Description
IC REG BUCK ADJ 3A 16VFQFPN
Customer Reference
Detailed Description
Buck Switching Regulator IC Positive Adjustable 0.6V 1 Output 3A 16-VFQFN Exposed Pad
Datasheet
 Datasheet
EDA/CAD Models
PM8903ATR Models
Product Attributes
Type
Description
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Category
Mfr
STMicroelectronics
Series
-
Packaging
Tape & Reel (TR)
Part Status
Last Time Buy
Function
Step-Down
Output Configuration
Positive
Topology
Buck
Output Type
Adjustable
Number of Outputs
1
Voltage - Input (Min)
2.8V
Voltage - Input (Max)
6V
Voltage - Output (Min/Fixed)
0.6V
Voltage - Output (Max)
6V
Current - Output
3A
Frequency - Switching
1.1MHz
Synchronous Rectifier
Yes
Operating Temperature
-25°C ~ 125°C (TJ)
Mounting Type
Surface Mount
Package / Case
16-VFQFN Exposed Pad
Supplier Device Package
16-VFQFPN (3x3)
Base Product Number
PM8903
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Manufacturer Quote Required
Last Time Buy
This product requires a manufacturer-approved quote before it can be ordered. Orders must meet the manufacturer’s standard package quantity, may be subject to extended lead times, and cannot be canceled or returned. Quotes are typically processed within 3–5 business days after submission.
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Last Time Buy Date: 30/6/2026