Analog Devices LTC3859ALIUHF#WPBF DC DC Switching Controllers
3X OUT, BUCK/BUCK/BOOST SYNC CNT
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LTC3859ALIUHF#WPBF
Detailed Description
3X OUT, BUCK/BUCK/BOOST SYNC CNT
Package
38-WFQFN Exposed Pad
Key Features
Package / Case: 38-WFQFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LTC3859ALIUHF#WPBF Datasheet
Quick Jump:
Technical Specifications
Analog Devices LTC3859ALIUHF#WPBF DC DC Switching Controllers technical specifications.
General
Package / Case
38-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TJ)
Supply Voltage
4.5V ~ 36V
Output Type
Transistor Driver
Functions
Step-Down, Step-Up/Step-Down
Switching Frequency
50kHz ~ 900kHz
Number of Outputs
3
Topology
Buck, Buck-Boost, SEPIC
Control Features
Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start, Tracking
Alternate Parts Comparison (LTC3859ALIUHF#WPBF vs LTC3838EUHF-1#TRPBF vs LTC3838EUHF#PBF vs LTC3897IUHF#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 | 38-WFQFN Exposed Pad | 38-WFQFN Exposed Pad | 38-WFQFN Exposed Pad | 38-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 | 4.5V ~ 36V | 4.5V ~ 38V | 4.5V ~ 38V | 4.5V ~ 65V |
| Switching Frequency | 50kHz ~ 900kHz | 200kHz ~ 2MHz | 200kHz ~ 2MHz | 75kHz ~ 850kHz |
| Clock Sync | Yes | No | No | Yes |
| Control Features | Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start, Tracking | Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | Current Limit, Frequency Control, Overcurrent, Ramping |
| Number of Outputs | 3 | 2 | 2 | 2 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Phases | 2 | 2 | 2 | 2 |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver |
| Synchronous Rectifier | Yes | Yes | Yes | Yes |
| Action |
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