Texas Instruments LM2677S-3.3/NOPB Microcontrollers
5A Step-Down 3.3V DC/DC Regulator, 40V In, 260kHz, TO-263
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM2677S-3.3/NOPB
Base Model
Detailed Description
5A Step-Down 3.3V DC/DC Regulator, 40V In, 260kHz, TO-263
Package
TO-263-8, D²Pak (7 Leads + Tab), TO-263CA
Lifecycle Status
Active
Datasheet
LM2677S-3.3/NOPB Datasheet
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Technical Specifications
Texas Instruments LM2677S-3.3/NOPB Microcontrollers technical specifications.
General
Package / Case
TO-263-8, D²Pak
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TJ)
Output Type
Fixed
Max Input Voltage
40V
Output Current
5A
Switching Frequency
260kHz
Number of Outputs
1
Topology
Buck
Output Configuration
Positive
Alternate Parts Comparison (LM2677S-3.3/NOPB vs LM2677S-ADJ/NOPB vs LM2677SX-12/NOPB vs LM2677SX-ADJ/NOPB)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | TO-263-8, D²Pak | TO-263-8, D²Pak | TO-263-8, D²Pak | TO-263-8, D²Pak |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Switching Frequency | 260kHz | 260kHz | 260kHz | 260kHz |
| Max Input Voltage | 40V | 40V | 40V | 40V |
| Min Input Voltage | 8V | 8V | 8V | 8V |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 5A | 5A | 5A | 5A |
| Output Type | Fixed | Adjustable | Fixed | Adjustable |
| Output Voltage | 3.3V | 1.21V | 12V | 1.21V |
| Synchronous Rectifier | No | No | No | No |
| Topology | Buck | Buck | Buck | Buck |
| Action |
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