LTC7812EUH#PBF Multitopology DC/DC by Analog Devices

Status: Production
Series: LTC7812
RoHS: Compliant
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The LTC7812 is a high performance synchronous Boost+Buck DC/DC switching regulator controller that drives all N-channel power MOSFET stages. It contains independent step-up (boost) and step-down (buck) controllers that can regulate two separate outputs or be cascaded to regulate an output voltage from an input voltage that can be above, below or equal to the output voltage. The LTC7812 operates from a wide 4.5V to 38V input supply range. When biased from the output of the boost regulator, the LTC7812 can operate from an input supply as low as 2.5V after start-up. The 33μA no-load quiescent current extends operating run time in battery-powered systems.Unlike conventional buck-boost regulators, the LTC7812’s cascaded Boost+Buck solution has continuous, nonpulsating, input and output currents, substantially reducing voltage ripple and EMI. The LTC7812 has independent feedback and compensation points for the boost and buck regulation loops, enabling a fast output transient response that can be easily optimized externally.

Where to Buy

Prices starting from US$4.78

Distributor Stock
Logo for Analog Devices
Analog Devices
from US$4.78
2,716
in stock
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Richardson RFPD
from US$6.17
-
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Features

Synchronous Boost and Buck Controllers
When Cascaded, Allows VIN Above, Below or Equal to Regulated VOUT
Output Remains in Regulation Through Input Dips (e.g., Cold Crank) Down to 2.5V
Wide Bias Input Voltage Range: 4.5V to 38V
Low Input and Output Ripple
Low EMI
Fast Output Transient Response
High Light Load Efficiency
Low Operating IQ: 33μA (Both Channels On)
Low Operating IQ: 28μA (Buck Channel On)
RSENSE or Lossless DCR Current Sensing
Buck Output Voltage Range: 0.8V ≤ VOUT ≤ 24V
Boost Output Voltage Up to 60V
Phase-Lockable Frequency (75kHz to 850kHz)
Small 32-Pin 5mm × 5mm QFN Package

Alternative Descriptions

L IQ, 38V Sync Boost+Buck Cntr | Analog Devices
POWER MANAGEMENT IC | Richardson RFPD


LTC7812EUH#PBF Semiconductors - ICs by Linear Technology

DC/DC CONV SYNC BOOST-BUCK QFN-32

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Topology Synchronous Buck-Boost
Input Voltage Min 4.5V
Input Voltage Max 38V
No. of Outputs 2Outputs
DC / DC Converter IC Case QFN
No. of Pins 32Pins
Output Current 20A
Output Voltage Min 800mV
Output Voltage Max 60V
Switching Frequency 850kHz
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Frequently Asked Questions

Where can I find additional details, specifications and documents for a LTC7812EUH#PBF?

Additional datasheets, footprints and schematics for LTC7812EUH#PBF are listed on our Part Details page. You can also find images and similar parts to LTC7812EUH#PBF on this page.

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What category does LTC7812EUH#PBF fall under?

The LTC7812EUH#PBF is listed under Multitopology DC/DC.

Can I view similar or alternative parts?

You can view similar parts to LTC7812EUH#PBF when available in the Multitopology DC/DC range under the specifications section at the bottom of the details page.

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Is the LTC7812EUH#PBF RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

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Authorised distributors including Analog Devices and Richardson RFPD have stock available or on a lead time for LTC7812EUH#PBF.

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