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Texas Instruments LM78S40CN/NOPB

Texas Instruments LM78S40CN/NOPB

MPNLM78S40CN/NOPB
End of Life

IC REG BUCK BST ADJ 1.5A 16DIP

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$3.28 / ea

103 in stock — maximum per order · 3–4 days lead time

$2.93 / ea from 10 pcs

Packaging16-DIP (0.300", 7.62mm)
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Sep 2026

Specifications

LM78S40CN/NOPB specifications
ParameterValue
Output typeAdjustable
MountingThrough Hole
Voltage - input2.5V
Voltage - output40V (Switch)
Voltage - output (Min (Fixed))1.25V
Output current1.5A (Switch)
Frequency - switching100Hz ~ 100kHz
I/O channels1
Operating temperature0°C ~ 70°C (TA)
PackageTube
FunctionStep-Up, Step-Down
TopologyBuck, Boost
Case16-DIP (0.300\", 7.62mm)
Output configurationPositive or Negative
Synchronous rectifierNo