Analog Devices LT8705AEUHF DC DC Switching Controllers
Buck-Boost Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC 38-QFN (5x7)
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LT8705AEUHF
Detailed Description
IC REG BUCK
Package
38-WFQFN Exposed Pad
Key Features
Package / Case: 38-WFQFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
LT8705AEUHF Datasheet
Quick Jump:
Technical Specifications
Analog Devices LT8705AEUHF DC DC Switching Controllers technical specifications.
General
Package / Case
38-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Supply Voltage
2.8V ~ 80V
Lifecycle Status
Obsolete
Output Type
Transistor Driver
Switching Frequency
100kHz ~ 400kHz
Number of Outputs
2
Topology
Buck-Boost
Control Features
Enable, Frequency Control, Soft Start
Alternate Parts Comparison (LT8705AEUHF vs LT8705AEUHF#TRPBF vs LTC7817JUHF#WTRPBF vs LTC7815HUHF#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 | 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 | -40°C ~ 125°C | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Supply Voltage | 2.8V ~ 80V | 2.8V ~ 80V | 4.5V ~ 40V | 4.5V ~ 38V |
| Switching Frequency | 100kHz ~ 400kHz | 100kHz ~ 400kHz | 100kHz ~ 3MHz | 320kHz ~ 2.25MHz |
| Clock Sync | Yes | Yes | Yes | No |
| Control Features | Enable, Frequency Control, Soft Start | Enable, Frequency Control, Soft Start | Current Limit, Enable, Frequency Control | Power Good, Soft Start, Tracking |
| Function | Step-Up/Step-Down | Step-Up/Step-Down | Step-Up, Step-Down | Step-Up, Step-Up/Step-Down |
| Number of Outputs | 2 | 2 | 3 | 3 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Phases | 2 | 2 | 2 | 2 |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver |
| Action |
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LT8705AEUHF#TRPBFAnalog DevicesBuck-Boost Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC 38-QFN (5x7)
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