LTC3859AEUHF#PBF External Power Switch Buck Controllers by Analog Devices
| Status: | Production |
|---|---|
| Series: | LTC3859A |
| RoHS: | Compliant |
Features
| Dual Buck Plus Single Boost Synchronous Controllers |
| Outputs Remain in Regulation Through Cold Crank Down to 2.5V |
| Low Operating IQ: 55μA (One Channel On) |
| Wide Bias Input Voltage Range: 4.5V to 38V |
| Buck Output Voltage Range: 0.8V ≤ VOUT ≤ 24V |
| Boost Output Voltage Up to 60V |
| RSENSE or DCR Current Sensing |
| 100% Duty Cycle for Boost Synchronous MOSFET Even in Burst Mode® Operation |
| Phase-Lockable Frequency (75kHz to 850kHz) |
| Programmable Fixed Frequency (50kHz to 900kHz) |
| Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode Operation at Light Loads |
| Very Low Buck Dropout Operation: 99% Duty Cycle |
| Adjustable Output Voltage Soft-Start or Tracking |
| Low Shutdown IQ: 14μA |
| Small 38-Pin 5mm × 7mm QFN and TSSOP Packages |
Alternative Descriptions
| L IQ, 3x Out, Buck/Buck/Boost | Analog Devices |
| POWER MANAGEMENT IC | Richardson RFPD |
LTC3859AEUHF#PBF Semiconductors - ICs by Linear Technology
BUCK/BUCK/BOOST TRIPLE 38VIN 38QFN
| Status: | Unknown |
|---|---|
| Series: | - |
| RoHS: | Unknown |
Specifications
| Supply Voltage Min | 4.5V |
|---|---|
| Supply Voltage Max | 38V |
| No. of Outputs | 3 Output, 3Outputs |
| Duty Cycle (%) | 100% |
| Controller IC Case Style | QFN |
| No. of Pins | 38Pins |
| Switching Frequency | 585kHz |
| Topology | Synchronous Boost Synchronous Buck Synchronous Buck |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 125°C |
| Product Range | - |
| Automotive Qualification Standard | - |
| RoHS Phthalates Compliant | Yes |
| MSL | MSL 1 - Unlimited |
| SVHC | No SVHC (15-Jan-2018) |
| Base Number | 3859 |
| Operating Temperature Range | -40°C to +125°C |
| Output Current | 25A |
| Primary Input Voltage | 38V |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a LTC3859AEUHF#PBF?
Additional datasheets, footprints and schematics for LTC3859AEUHF#PBF are listed on our Part Details page. You can also find images and similar parts to LTC3859AEUHF#PBF on this page.
What pricing and inventory information can I view?
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What category does LTC3859AEUHF#PBF fall under?
The LTC3859AEUHF#PBF is listed under External Power Switch Buck Controllers.
Can I view similar or alternative parts?
You can view similar parts to LTC3859AEUHF#PBF when available in the External Power Switch Buck Controllers range under the specifications section at the bottom of the details page.
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Submit any questions directly to the customer support team of the distributor listing the product. For the LTC3859AEUHF#PBF you can contact the distributor directly for product support, shipping queries etc.
Is the LTC3859AEUHF#PBF RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by Analog Devices.
Which authorised distributors for LTC3859AEUHF#PBF have stock available?
Authorised distributors including Analog Devices and Richardson RFPD have stock available or on a lead time for LTC3859AEUHF#PBF.
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