Infineon Technologies IR3637ASPBF DC DC Switching Controllers
IC REG CTRLR BUCK 8SOIC

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
IR3637ASPBF
Detailed Description
IC REG CTRLR BUCK 8SOIC
Package
8-SOIC (0.154", 3.90mm Width)
Key Features
Package / Case: 8-SOIC (0.154", 3.90mm Width); Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
IR3637ASPBF Datasheet
Quick Jump:
Technical Specifications
Infineon Technologies IR3637ASPBF DC DC Switching Controllers technical specifications.
General
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 125°C (TJ)
Supply Voltage
4.5V ~ 5.5V
Output Type
Transistor Driver
Switching Frequency
600kHz
Number of Outputs
1
Topology
Buck
Control Features
Enable, Soft Start
Output Configuration
Positive
Alternate Parts Comparison (IR3637ASPBF vs IR3637STRPBF vs IRU3037ACSTRPBF vs IRS27952SPBF)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 125°C (TJ) | 0°C ~ 125°C (TJ) | 0°C ~ 70°C (TA) | -40°C ~ 150°C (TJ) |
| Supply Voltage | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.2V ~ 25V | 12V ~ 18V |
| Switching Frequency | 600kHz | 400kHz | 400kHz | Up to 500kHz |
| Clock Sync | No | No | No | No |
| Control Features | Enable, Soft Start | Enable, Soft Start | Enable, Soft Start | Enable, Frequency Control |
| Duty Cycle Max | 76% | 85% | 90% | 50% |
| Function | Step-Down | Step-Down | Step-Up, Step-Down | Step-Down, Step-Up/Step-Down |
| Number of Outputs | 1 | 1 | 1 | 2 |
| Output Configuration | Positive | Positive | Positive | Positive, Isolation Capable |
| Output Phases | 1 | 1 | 1 | 2 |
| Action |
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