LM78S40N
LM78S40N
Active
Description:  1.5A, 100KHZ BIPOLAR, PDIP16
Manufacturer:  National Semiconductor
Datasheet:   LM78S40N Datasheet
History Price: Active
In Stock: 44000
LM78S40N Specification
Specification
Part No
LM78S40N
Category
PMIC - Voltage Regulators - DC DC Switching Regulators
Manufacturer
National Semiconductor
Series
-
Packaging
Bulk
Status
Active
Environmental Compliance
Lead Free
Radiation Hardening
No
REACH SVHC
No SVHC
RoHS
Compliant
HS Code
-
Technical Parameter
Function
Step-Up, Step-Down
Output Configuration
Positive or Negative
Topology
Buck, Boost
Output Type
Adjustable
Number of Outputs
1
Voltage - Input (Min)
2.5V
Voltage - Input (Max)
40V
Voltage - Output (Min/Fixed)
1.25V
Voltage - Output (Max)
40V (Switch)
Current - Output
1.5A (Switch)
Frequency - Switching
100Hz ~ 100kHz
Synchronous Rectifier
No
Operating Temperature
-40 ℃ ~ 125 ℃ (TA)
Mounting Type
Through Hole
Package / Case
16-DIP (0.300", 7.62mm)
Supplier Device Package
16-PDIP
LM78S40N PDF Datasheet
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  • Customer Reviews
    4.95 out of 5.00 stars from 96 customer reviews from all over the world
    Alice
    Brazil
    5 stars
    2026-04-03 15:54
    Like the product
    Karla Jiménez
    Spain
    5 stars
    2026-04-03 09:23
    Sent combined, 2 things together in a bag, by registered mail with signature. The fairly fast delivery time 2-3 weeks to Barcelona, identical described, without testing seem of good quality, OK
    Sara Vitale
    Italy
    5 stars
    2026-04-03 07:48
    Excellent Transaction - Object as Described - Fast Shipment - Thank you
    Juliana Rocha
    Brazil
    5 stars
    2026-04-03 07:33
    Apparently came all correct, arrived in 1 month.
    Herr Michael Schwarz
    Germany
    5 stars
    2026-04-03 02:41
    All good, thx!
    Angela Butler
    United States
    5 stars
    2026-04-03 02:18
    Pas encore testé