Analog Devices LTC3870IUF-1#TRPBF DC DC Switching Controllers
Buck Regulator Positive Output Step-Down DC-DC Controller IC 24-QFN (4x4)
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LTC3870IUF-1#TRPBF
Detailed Description
IC REG CTRLR BUCK 24QFN
Package
24-WFQFN Exposed Pad
Key Features
Package / Case: 24-WFQFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LTC3870IUF-1#TRPBF Datasheet
Quick Jump:
Technical Specifications
Analog Devices LTC3870IUF-1#TRPBF DC DC Switching Controllers technical specifications.
General
Series
PolyPhase®
Package / Case
24-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TJ)
Supply Voltage
4.5V ~ 60V
Lifecycle Status
Active
Output Type
PWM Signal
Switching Frequency
500kHz
Number of Outputs
2
Topology
Buck
Alternate Parts Comparison (LTC3870IUF-1#TRPBF vs LTC3737EUF#PBF vs LTC3785IUF#PBF vs LTC3852IUDD#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 | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Supply Voltage | 4.5V ~ 60V | 2.75V ~ 9.8V | 2.7V ~ 10V | 4V ~ 38V |
| Switching Frequency | 500kHz | 300kHz ~ 750kHz | 100kHz ~ 1MHz | 235kHz ~ 750kHz |
| Clock Sync | Yes | Yes | No | No |
| Control Features | Current Limit, Enable, Frequency Control, Phase Control, Soft Start | Current Limit, Enable, Power Good, Soft Start, Tracking | Current Limit, Enable, Soft Start | Enable, Frequency Control, Power Good, Soft Start, Tracking |
| Function | Step-Down | Step-Down | Step-Up/Step-Down | Step-Down |
| Number of Outputs | 2 | 2 | 2 | 1 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Phases | 2 | 2 | 1 | 1 |
| Output Type | PWM Signal | Transistor Driver | Transistor Driver | Transistor Driver |
| Action |
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