For Reference Only
| Part Number | LT3991EMSE-5#PBF |
| LIXINC Part # | LT3991EMSE-5#PBF |
| Manufacturer | LIXINC Electronics Co., Limited |
| Category | Integrated Circuits › PMIC - 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#PBF PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 26 - Jan 30 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | LT3991EMSE-5#PBF |
| Brand: | LIXINC Electronics Co., Limited |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits |
| Subcategory: | PMIC - Voltage Regulators - DC DC Switching Regulators |
| Manufacturer: | LIXINC Electronics Co., Limited |
| Series: | - |
| Package: | Tube |
| Part Status: | Active |
| 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 |
| LT1109ACS8-12#PBF | IC REG BOOST 12V 2A 8SOIC | 882 More on Order |
|
| LT1614CS8#PBF | IC REG MULTI CONFG ADJ 8SOIC | 1006 More on Order |
|
| TPS54226RGTT | IC REG BUCK ADJUSTABLE 2A 16QFN | 1342 More on Order |
|
| LTC3619BIMSE#PBF | IC REG BUCK ADJ DL 10MSOP | 933 More on Order |
|
| MP1497SGJ-P | IC REG BUCK ADJ 3A TSOT23-8 | 975 More on Order |
|
| LM3691TLX-1.8/NOPB | IC REG BUCK 1.8V 1A 6DSBGA | 856 More on Order |
|
| RP500L194A-TR | 600MA PWM/VFM STEP-DOWN DCDC CON | 965 More on Order |
|
| LT3688IFE#TRPBF | IC REG BUCK ADJ 800MA DL 24TSSOP | 975 More on Order |
|
| RP500L251A-TR | 600MA PWM/VFM STEP-DOWN DCDC CON | 991 More on Order |
|
| MPQ2451GG-33-AEC1-Z | IC REG BUCK 3.3V 600MA 6QFN | 5843 More on Order |
|
| LT3464ETS8#TRMPBF | IC REG BOOST ADJ 85MA TSOT23-8 | 3584 More on Order |
|
| RP500K154A-TR | 600MA PWM/VFM STEP-DOWN DCDC CON | 999 More on Order |
|
| LM2576HVS-3.3/NOPB | IC REG BUCK 3.3V 3A TO263-5 | 992 More on Order |
| In Stock | 11303 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $7.06000 | $7.06 |
| 25 | $4.68768 | $117.192 |
| 100 | $3.87608 | $387.608 |
| 250 | $3.68228 | $920.57 |
| 500 | $3.59921 | $1799.605 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
Please feel free to contact us for details.