Analog Devices LTC3861IUHE#TRPBF DC DC Switching Controllers
Buck Regulator Positive Output Step-Down DC-DC Controller IC 36-QFN (5x6)

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LTC3861IUHE#TRPBF
Detailed Description
IC REG CTRLR BUCK 36QFN
Package
36-WFQFN Exposed Pad
Key Features
Package / Case: 36-WFQFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LTC3861IUHE#TRPBF Datasheet
Quick Jump:
Technical Specifications
Analog Devices LTC3861IUHE#TRPBF DC DC Switching Controllers technical specifications.
General
Series
PolyPhase®
Package / Case
36-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TJ)
Supply Voltage
3V ~ 5.5V
Lifecycle Status
Active
Output Type
PWM Signal
Switching Frequency
250kHz ~ 3MHz
Number of Outputs
2
Topology
Buck
Alternate Parts Comparison (LTC3861IUHE#TRPBF vs LTC7852EUFD-1#TRPBF vs LTC7852IUFD-1#PBF vs LTC7852EUFD-1#PBF)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 36-WFQFN Exposed Pad | 36-WFQFN Exposed Pad | 36-WFQFN Exposed Pad | 36-WFQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Supply Voltage | 3V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Switching Frequency | 250kHz ~ 3MHz | 200kHz ~ 1.2MHz | 200kHz ~ 1.2MHz | 200kHz ~ 1.2MHz |
| Clock Sync | No | No | No | No |
| Control Features | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | Current Limit, Enable, Frequency Control, Power Good, Ramp, Soft Start, Tracking | Current Limit, Enable, Frequency Control, Power Good, Ramp, Soft Start, Tracking | Current Limit, Enable, Frequency Control, Power Good, Ramp, Soft Start, Tracking |
| Function | Step-Down | Step-Down | Step-Down | Step-Down |
| Number of Outputs | 2 | 2 | 2 | 2 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Phases | 2 | 6 | 6 | 6 |
| Output Type | PWM Signal | Transistor Driver | Transistor Driver | Transistor Driver |
| Action |
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