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LT3991EMSE#PBF is out of stock and can be placed on backorder.
Available Substitutes:
Parametric Equivalent
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LT3991EMSE#PBF | |
|---|---|
DigiKey Part Number | LT3991EMSE#PBF-ND |
Manufacturer | |
Manufacturer Product Number | LT3991EMSE#PBF |
Description | IC REG BUCK ADJ 1.2A 10MSOP |
Manufacturer Standard Lead Time | 19 Weeks |
Customer Reference | |
Detailed Description | Buck Switching Regulator IC Positive Adjustable 1.19V 1 Output 1.2A 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad |
Datasheet | Datasheet |
EDA/CAD Models | LT3991EMSE#PBF Models |
Product Attributes
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Category | Voltage - Output (Min/Fixed) |
Mfr | Voltage - Output (Max) 30V |
Packaging Tube | Current - Output |
Part Status Active | Frequency - Switching 200kHz ~ 2MHz |
Function Step-Down | Synchronous Rectifier No |
Output Configuration Positive | Operating Temperature -40°C ~ 125°C (TJ) |
Topology | Mounting Type Surface Mount |
Output Type | Package / Case |
Number of Outputs 1 | Supplier Device Package 10-MSOP-EP |
Voltage - Input (Min) 4.3V | Base Product Number |
Voltage - Input (Max) 55V |
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Substitutes (1)
| Part Number | Manufacturer | Quantity Available | DigiKey Part Number | Unit Price | Substitute Type |
|---|---|---|---|---|---|
| LT3991IMSE#PBF | Analog Devices Inc. | 31 | LT3991IMSE#PBF-ND | $11.50000 | Parametric Equivalent |
In-Stock: 0
36 expected in stock on 04-Nov-2026
14 expected in stock on 09-Nov-2026
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Quantity
All prices are in USD
Tube
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 1 | $10.45000 | $10.45 |
| 10 | $8.15500 | $81.55 |
| 50 | $7.23620 | $361.81 |
| 100 | $6.95180 | $695.18 |
| 250 | $6.65152 | $1,662.88 |
| 500 | $6.47050 | $3,235.25 |
| 1,000 | $6.32159 | $6,321.59 |
