Skip to main content
Log in
Analog Devices LT1107CS8#PBF — Signal Isolation

LT1107CS8#PBF Step-Up/Down Regulator, 1.5A Switch, 63kHz

MPNLT1107CS8#PBF
End of Life

Analog Devices LT1107CS8#PBF, Step-Up/Step-Down Function, Buck/Boost Topology, Adjustable Output, 1.5A Switch, 63kHz, 8-SOIC, Tube.

$6.85Ref. price · indicative, final on quote
Packaging8-SOIC (0.154", 3.90mm Width)
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

LT1107CS8#PBF specifications
ParameterValue
Output typeAdjustable
MountingSurface Mount
Voltage - input30V
Voltage - output50V (Switch)
Voltage - output (Min (Fixed))1.25V
Output current1.5A (Switch)
Frequency - switching63kHz
I/O channels1
Operating temperature0°C ~ 70°C (TA)
PackageTube
FunctionStep-Up, Step-Down
TopologyBuck, Boost
Case8-SOIC (0.154\", 3.90mm Width)
Output configurationPositive or Negative
Synchronous rectifierNo

Product details

The Analog Devices LT1107CS8#PBF is a current-mode switching regulator that handles step-up (boost) and step-down (buck) conversion from a single chip. Its internal 1.5A switch and wide 2V to 30V input range make it a practical choice for battery-powered equipment, industrial control rails, and multi-rail point-of-load designs where you need positive or negative adjustable outputs down to 1.25V. The 63kHz switching frequency keeps radiated noise low but calls for a larger inductor than a modern 500kHz part would — plan your board area accordingly.

If you need a wider temperature grade, the LT1111IS8#PBF covers -40°C to 105°C with the same 1.5A switch and 72kHz frequency, though it's a different pinout; verify the layout before substituting.

Frequently asked questions

Where can I find the LT1107CS8#PBF datasheet?

The datasheet is available from Analog Devices (Linear Technology) under the LT1107 product folder. It covers the full electrical characteristics, application circuits, and inductor selection guide.

How much does LT1107CS8#PBF cost and is it available via RFQ confirmation?

Pricing and stock levels are confirmed at quote time. Submit an RFQ through this listing for current availability and a competitive quote from our independent distribution network.

What is the difference between LT1107CS8 and LT1107CS8#PBF?

The #PBF suffix indicates ROHS3 compliance. The LT1107CS8 (non-PBF) is the lead-bearing version. Electrically they are identical; the #PBF variant is the current standard for new designs requiring lead-free assembly.

Is there a functional second-source for LT1107CS8#PBF?

The LT1111IS8#PBF is a close functional peer with the same 1.5A switch and buck/boost topology, but it operates at 72kHz and has a -40°C to 105°C temperature range. Verify pin compatibility and inductor values before substituting.