Analog Devices LTC3780IUH#PBF DC DC Switching Controllers
Buck-Boost Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC 32-QFN (5x5)
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LTC3780IUH#PBF
Detailed Description
400kHz 4V~30V Buck-boost type 1 QFN-32-EP(5x5) DC-DC Controllers
Package
32-WFQFN Exposed Pad
Key Features
Package / Case: 32-WFQFN Exposed Pad
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LTC3780IUH#PBF Datasheet
Quick Jump:
Technical Specifications
Analog Devices LTC3780IUH#PBF DC DC Switching Controllers technical specifications.
General
Package / Case
32-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TJ)
Supply Voltage
4V ~ 30V
Lifecycle Status
Active
Functions
Step-Up/Step-Down
Topology
Buck-Boost
Output Type
Transistor Driver
Control Features
Current Limit, Enable, Power Good, Soft Start
Switching Frequency
200kHz ~ 400kHz
Alternate Parts Comparison (LTC3780IUH#PBF vs LTC3839EUH#PBF vs LTC3868IUH#PBF vs LTC3857IUH#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 | 32-WFQFN Exposed Pad | 32-WFQFN Exposed Pad | 32-WFQFN Exposed Pad | 32-WFQFN Exposed Pad |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TJ) |
| Supply Voltage | 4V ~ 30V | 4.5V ~ 38V | 4V ~ 24V | 4V ~ 38V |
| Switching Frequency | 200kHz ~ 400kHz | 200kHz ~ 2MHz | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 105kHz ~ 835kHz, 350kHz ~ 535kHz |
| Clock Sync | No | No | No | No |
| Control Features | Current Limit, Enable, Power Good, Soft Start | Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Phases | 1 | 2 | 2 | 2 |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver |
| Synchronous Rectifier | Yes | Yes | Yes | Yes |
| Topology | Buck-Boost | Buck | Buck | Buck |
| Duty Cycle Max | 99% | -- | 99.4% | 99.4% |
| Action |
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