Analog Devices LT3991IMSE#TRPBF DC DC Switching Regulators
Buck Switching Regulator IC Positive Adjustable 1.19V 1 Output 1.2A 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LT3991IMSE#TRPBF
Detailed Description
IC REG BUCK ADJ 1.2A 10MSOP
Package
10-TFSOP, 10-MSOP (0.118, 3.00mm Width) Exposed Pad
Key Features
Package / Case: 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) Exposed Pad
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LT3991IMSE#TRPBF Datasheet
Quick Jump:
Technical Specifications
Analog Devices LT3991IMSE#TRPBF DC DC Switching Regulators technical specifications.
General
Package / Case
10-MSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TJ)
Lifecycle Status
Active
Functions
Step-Down
Topology
Buck
Output Type
Adjustable
Switching Frequency
200kHz ~ 2MHz
Output Current
1.2A
Output Configuration
Positive
Alternate Parts Comparison (LT3991IMSE#TRPBF vs LT3973IMSE-5#PBF vs LT3971EMSE-3.3#PBF vs LT3693EMSE#TRPBF)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 10-MSOP | 10-MSOP | 10-MSOP | 10-MSOP |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Switching Frequency | 200kHz ~ 2MHz | 195kHz ~ 2.15MHz | 200kHz ~ 2MHz | 230kHz ~ 2.45MHz |
| Functions | Step-Down | Step-Down | Step-Down | Step-Down |
| Max Input Voltage | 55V | 42V | 38V | 36V |
| Min Input Voltage | 4.3V | 4.2V | 4.3V | 3.6V |
| Numberof Outputs | -- | -- | -- | -- |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 1.2A | 750mA | 1.2A | 3.5A |
| Output Type | Adjustable | Fixed | Fixed | Adjustable |
| Output Voltage | 1.19V | 5V | 3.3V | 0.79V |
| Synchronous Rectifier | No | No | No | No |
| Action |
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