
For Reference Only
Part Number | LT3991EMSE-5#TRPBF |
OEMstron Part # | LT3991EMSE-5-TRPBF |
Manufacturer | Linear Technology/Analog Devices |
Category | Semiconductors › Power Management ICs › Voltage Regulators - DC DC Switching Regulators |
Description | IC REG BUCK 5V 1.2A 10MSOP |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | LT3991EMSE-5#TRPBF PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 20 - Mar 25 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
LT3991EMSE-5#TRPBF Specifications
Part Number | LT3991EMSE-5#TRPBF | |
Brand | Linear Technology/Analog Devices | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Semiconductors | |
Category | Power Management ICs | |
Subcategory | Voltage Regulators - DC DC Switching Regulators | |
Manufacturer | Linear Technology/Analog Devices | |
Series | - | |
Function | Step-Down | |
Output Configuration | Positive | |
Topology | Buck | |
Output Type | Fixed | |
Number of Outputs | 1 | |
Voltage - Input (Min) | 4.3V | |
Voltage - Input (Max) | 55V | |
Voltage - Output (Min/Fixed) | 5V | |
Voltage - Output (Max) | - | |
Current - Output | 1.2A | |
Frequency - Switching | 200kHz ~ 2MHz | |
Synchronous Rectifier | No | |
Operating Temperature | -40°C ~ 125°C (TJ) | |
Mounting Type | Surface Mount | |
Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | |
Supplier Device Package | 10-MSOP-EP |
LT3991EMSE-5#TRPBF Documents

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Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
LT3991EMSE-5#PBF D# V99:2348_06430339 Analog Devices Inc |
Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 5V 1.2A Automotive 10-Pin MSOP EP Tube RoHS: Compliant
|
Americas - 0 |
LT3991EMSE-5#TRPBF D# V36:1790_06430341 Analog Devices Inc |
Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 5V 1.2A Automotive 10-Pin MSOP EP T/R RoHS: Compliant
|
Americas - 0 |
Part Number | Description | Stock |
LT3991EMSE-5#PBF Linear Technology |
BUCK, 55VIN, 1.2A, 2MHZ, 10MSOP |
176 |
LT3991EMSE-5#TRPBF Linear Technology |
IC REG BUCK 5V 1.2A 10-MSOP |
Contact Us |
Part Number | Description | Stock |
LT3991EMSE-5#PBF D# C1S424500707496 Analog Devices Inc |
Conv DC-DC 4.3V to 55V Step Down Single-Out 5V 1.2A Automotive 10-Pin MSOP EP T/R RoHS: Compliant
pbFree: Yes
Min Qty: 1
Container: Bulk
|
87 |
Part Number | Description | Stock |
LT3991EMSE-5#TRPBF D# LT3991EMSE-5#TRPBF-ND Analog Devices Inc |
IC REG BUCK 5V 1.2A 10MSOP |
Temporarily Out of Stock |
LT3991EMSE-5#PBF D# LT3991EMSE-5#PBF-ND Analog Devices Inc |
IC REG BUCK 5V 1.2A 10MSOP |
1238 In Stock |
Part Number | Description | Stock |
LT3991EMSE-5#PBF Linear Technology |
In stock shipping within 2days |
4760 |
Part Number | Description | Stock |
LT3991EMSE-5#PBF D# 2115867 Linear Technology |
BUCK, 55VIN, 1.2A, 2MHZ, 10MSOP RoHS: Compliant
Min Qty: 1
Container: Each
|
0 |
Part Number | Description | Stock |
LT3991EMSE5TRPBF Linear Technology |
OEM/CM ONLY |
1240 |
Part Number | Description | Stock |
LT3991EMSE-5#PBF Linear Technology |
in stock - can ship the same day |
44 |
Part Number | Description | Stock |
LT3991EMSE-5#PBF D# 584-LT3991EMSE-5#PBF Analog Devices Inc |
Switching Voltage Regulators 55V, 1.2A, 2MHz Step-Down Regulator with 2.8uA Quiescent Current RoHS: Compliant
|
328 |
Part Number | Description | Stock |
LT3991EMSE-5#PBF D# NS-LT3991EMSE-5#PBF Linear Technology |
OEM/CM ONLY |
6945 |
LT3991EMSE-5#TRPBF D# NS-LT3991EMSE-5#TRPBF Linear Technology |
OEM/CM ONLY |
4064 |
Part Number | Description | Stock |
LT3991EMSE-5#PBF D# LT3991EMSE-5PBF Analog Devices Inc |
DC TO DC CONVERTER RoHS: Compliant
|
0 |
LT3991EMSE-5#TRPBF D# LT3991EMSE-5TRP Analog Devices Inc |
DC TO DC CONVERTER RoHS: Compliant
|
0 |
Part Number | Description | Stock |
LT3991EMSE-5#PBF D# 35210988 Analog Devices Inc |
Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 5V 1.2A Automotive 10-Pin MSOP EP Tube RoHS: Compliant
|
Americas - 4200 |
Part Number | Description | Stock |
LT3991EMSE-5#PBF Linear Technology |
RFQ |
6204 |
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Quick Inquiry
In Stock | 389 - More on Order |
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Quote Limit | No Limit |
Lead-Time | Can Ship Immediately |
Minimum | 1 |
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Pricing (USD)
Qty. | Unit Price | Ext. Price |
---|---|---|
1 | $ 4.7798 | $ 4.7798 |
100 | $ 4.7798 | $ 477.9800 |
500 | $ 4.7798 | $ 2,389.9000 |
1000 | $ 4.7798 | $ 4,779.8000 |
2500 | $ 4.7798 | $ 11,949.5000 |
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