LM43603DSUT is out of stock and can be placed on backorder.
Available Substitutes:
Parametric Equivalent

Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
LM43603DSUT | |
|---|---|
DigiKey Part Number | 296-46613-2-ND - Tape & Reel (TR) 296-46613-1-ND - Cut Tape (CT) 296-46613-6-ND - Digi-Reel® |
Manufacturer | |
Manufacturer Product Number | LM43603DSUT |
Description | IC REG BUCK ADJ 3A 16SON |
Manufacturer Standard Lead Time | 12 Weeks |
Customer Reference | |
Detailed Description | Buck Switching Regulator IC Positive Adjustable 1V 1 Output 3A 16-VFDFN Exposed Pad |
Datasheet | Datasheet |
EDA/CAD Models | LM43603DSUT Models |
Product Attributes
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Category | Voltage - Input (Max) 36V |
Mfr | Voltage - Output (Min/Fixed) |
Series | Voltage - Output (Max) 28V |
Packaging Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Current - Output |
Part Status Active | Frequency - Switching 200kHz ~ 2.2MHz |
Function Step-Down | Synchronous Rectifier Yes |
Output Configuration Positive | Operating Temperature -40°C ~ 125°C (TJ) |
Topology | Mounting Type Surface Mount, Wettable Flank |
Output Type | Package / Case |
Number of Outputs 1 | Supplier Device Package 16-SON (4x5) |
Voltage - Input (Min) 3.5V | Base Product Number |
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Substitutes (1)
| Part Number | Manufacturer | Quantity Available | DigiKey Part Number | Unit Price | Substitute Type |
|---|---|---|---|---|---|
| LM43603DSUR | Texas Instruments | 0 | 296-51302-2-ND | $4.83000 | Parametric Equivalent |
In-Stock: 0
250 estimated in stock on 18-Dec-2026
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Quantity
All prices are in USD
Cut Tape (CT) & Digi-Reel®
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 1 | $5.61000 | $5.61 |
| 10 | $4.29400 | $42.94 |
| 25 | $3.96400 | $99.10 |
| 100 | $3.60140 | $360.14 |
Tape & Reel (TR)
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 250 | $3.42856 | $857.14 |
| 500 | $3.32438 | $1,662.19 |
| 750 | $3.27221 | $2,454.16 |
| 1,250 | $3.21438 | $4,017.97 |
| 1,750 | $3.18061 | $5,566.07 |
| 2,500 | $3.14811 | $7,870.27 |
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.


